[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=5) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=5) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=5) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=5) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b18f50 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5223
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=536870912) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=536870912) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=536870912, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=536870912, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=536870912, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=536870912, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=536870912, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=8724152320) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=8724152320) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=8724152320, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=8724152320, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=8724152320, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=8724152320, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=8724152320, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=13153337344) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=13153337344) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=13153337344, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=13153337344, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=13153337344, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=13153337344, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=13153337344, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=17649631232) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=17649631232) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=17649631232, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=17649631232, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=17649631232, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=17649631232, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=17649631232, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=31004295168) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=31004295168) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=31004295168, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=31004295168, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=31004295168, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=31004295168, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=31004295168, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=35433480192) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=35433480192) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=35433480192, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=35433480192, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=35433480192, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=35433480192, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=35433480192, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=40131100672) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=40131100672) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=40131100672, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=40131100672, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=40131100672, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=40131100672, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=40131100672, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=44895830016) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=44895830016) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=44895830016, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=44895830016, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=44895830016, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=44895830016, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=44895830016, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=64021856256) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=64021856256) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=64021856256, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=64021856256, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=64021856256, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=64021856256, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=64021856256, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=68786585600) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=68786585600) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=68786585600, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=68786585600, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=68786585600, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=68786585600, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=68786585600, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=73752641536) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=73752641536) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=73752641536, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=73752641536, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=73752641536, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=73752641536, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=73752641536, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=80933289984) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=80933289984) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=80933289984, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=80933289984, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=80933289984, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=80933289984, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=80933289984, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=2617245696) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=2617245696) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=2617245696, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=2617245696, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=2617245696, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=2617245696, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=2617245696, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=24427626496) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=24427626496) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=24427626496, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=24427626496, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=24427626496, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=24427626496, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=24427626496, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=50801410048) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=50801410048) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=50801410048, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=50801410048, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=50801410048, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=50801410048, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=50801410048, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=54895050752) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=54895050752) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=54895050752, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=54895050752, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=54895050752, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=54895050752, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=54895050752, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=15636365312) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=15636365312) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=15636365312, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=15636365312, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=15636365312, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=15636365312, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=15636365312, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18589155328) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18589155328) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=18589155328, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=18589155328, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=18589155328, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=18589155328, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=18589155328, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=22280142848) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=22280142848) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=22280142848, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=22280142848, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=22280142848, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=22280142848, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=22280142848, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18387828736) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18387828736) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=18387828736, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=18387828736, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=18387828736, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=18387828736, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=18387828736, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=25367150592) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=25367150592) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=25367150592, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=25367150592, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=25367150592, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=25367150592, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=25367150592, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=29796335616) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=29796335616) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=29796335616, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=29796335616, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=29796335616, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=29796335616, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=29796335616, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=5972688896) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=5972688896) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=5972688896, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=5972688896, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=5972688896, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=5972688896, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=5972688896, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=10804527104) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=10804527104) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=10804527104, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=10804527104, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=10804527104, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=10804527104, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=10804527104, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18186502144) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=18186502144) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=18186502144, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=18186502144, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=18186502144, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=18186502144, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=18186502144, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=22548578304) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=22548578304) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=22548578304, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=22548578304, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=22548578304, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=22548578304, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=22548578304, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=36104568832) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=36104568832) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=36104568832, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=36104568832, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=36104568832, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=36104568832, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=36104568832, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=475136, offset=0) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=475136, offset=0) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=0, __nbytes=475136, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=475136, offset=0, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=0, n=475136, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=0, n=475136, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=0, n=475136, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20edb in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=1207959552) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=1207959552) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=1207959552, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=1207959552, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=1207959552, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=1207959552, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=1207959552, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=5167382528) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=5167382528) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=5167382528, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=5167382528, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=5167382528, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=5167382528, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=5167382528, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=12280922112) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=12280922112) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=12280922112, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=12280922112, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=12280922112, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=12280922112, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=12280922112, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=28655484928) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=28655484928) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=28655484928, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=28655484928, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=28655484928, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=28655484928, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=28655484928, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=31272730624) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3df4 in __libc_pread64 (fd=5, buf=0x7f4d9a508000, count=67108864, offset=31272730624) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  0x0000558cd90ade65 in pread64 (__offset=31272730624, __nbytes=67108864, __buf=0x7f4d9a508000, __fd=5) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#2  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#3  os_file_io (in_type=..., file=5, buf=<optimized out>, n=67108864, offset=31272730624, err=0x7ffe46a5780c) at ./storage/innobase/os/os0file.cc:4817
#4  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5780c, offset=31272730624, n=67108864, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#5  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=31272730624, n=67108864, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#6  0x0000558cd90b1242 in os_file_read_func (type=..., file=<optimized out>, buf=<optimized out>, offset=<optimized out>, n=<optimized out>) at ./storage/innobase/os/os0file.cc:5411
#7  0x0000558cd8b181e8 in pfs_os_file_read_func (type=..., buf=0x7f4d9a508000, offset=31272730624, n=67108864, src_line=5001, src_file=0x558cd93ab328 "/home/buildbot/buildbot/build/mariadb-10.4.14/extra/mariabackup/xtrabackup.cc", file=...) at ./storage/innobase/include/os0file.h:101
#8  0x0000558cd8b20b27 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:395
#9  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#10 0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#11 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#12 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#13 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9f6a3a71 in fsync (fd=fd@entry=6) at ../sysdeps/unix/sysv/linux/fsync.c:27
#1  0x0000558cd90b1501 in os_file_fsync_posix (file=6) at ./storage/innobase/os/os0file.cc:2405
#2  os_file_flush_func (file=6) at ./storage/innobase/os/os0file.cc:2498
#3  0x0000558cd8b20d55 in xtrabackup_apply_delta (dirname=<optimized out>, dbname=<optimized out>, filename=<optimized out>) at ./storage/innobase/include/os0file.h:101
#4  0x0000558cd8b19100 in xb_process_datadir (path=0x558cd9b1f8a0 <xtrabackup_real_incremental_dir> "/mnt/IT_Backups/DB_Backup/Inc_Backup/2020-08_inc_backup/08-18-11_inc_backup/", suffix=0x558cd93b03ea ".delta", func=0x558cd8b1fbe0 <xtrabackup_apply_delta(char const*, char const*, char const*, void*)>) at ./extra/mariabackup/xtrabackup.cc:5286
#5  0x0000558cd8b1e67d in xtrabackup_apply_deltas () at ./extra/mariabackup/xtrabackup.cc:5545
#6  xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5545
#7  main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#8  0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9eb3948c in __GI___libc_malloc (bytes=bytes@entry=208) at malloc.c:3037

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9eb3948c in __GI___libc_malloc (bytes=bytes@entry=208) at malloc.c:3037
#1  0x0000558cd90a66b4 in mem_heap_create_block_func (heap=heap@entry=0x0, n=n@entry=100, type=type@entry=0) at ./storage/innobase/mem/mem0mem.cc:277
#2  0x0000558cd8feb9cc in mem_heap_create_func (size=100, type=0) at ./storage/innobase/include/mem0mem.ic:375
#3  dict_mem_index_create (table=table@entry=0x558cdb785518, index_name=index_name@entry=0x558cd9521e42 "LOG_DUMMY", type=type@entry=0, n_fields=n_fields@entry=7) at ./storage/innobase/dict/dict0mem.cc:784
#4  0x0000558cd90aa051 in mlog_parse_index (ptr=<optimized out>, ptr@entry=0x7f4d8e232fb4 "", end_ptr=end_ptr@entry=0x7f4d8e242049 "nila&\231\021\b", comp=comp@entry=1, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:669
#5  0x0000558cd909e63d in recv_parse_or_apply_log_rec_body (type=MLOG_COMP_REC_INSERT, ptr=0x7f4d8e232fb4 "", end_ptr=0x7f4d8e242049 "nila&\231\021\b", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1515
#6  0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e232faf "&\231\021\201V", end_ptr=0x7f4d8e242049 "nila&\231\021\b", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#7  0x0000558cd90a294a in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2954
#8  0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#9  0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#10 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#11 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#12 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#13 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#14 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#15 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:61

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:61
#1  0x0000558cd8fe907c in dict_add_col_name (heap=0x558cdb7853d0, name=0x558cd950adff "DB_ROW_ID", cols=3, col_names=<optimized out>) at ./storage/innobase/dict/dict0mem.cc:279
#2  dict_mem_table_add_col (table=table@entry=0x558cdb785518, heap=<optimized out>, heap@entry=0x558cdb7853d0, name=name@entry=0x558cd950adff "DB_ROW_ID", mtype=mtype@entry=8, prtype=prtype@entry=256, len=len@entry=6) at ./storage/innobase/dict/dict0mem.cc:337
#3  0x0000558cd8fd039a in dict_table_add_system_columns (table=table@entry=0x558cdb785518, heap=0x558cdb7853d0) at ./storage/innobase/dict/dict0dict.cc:954
#4  0x0000558cd90aa121 in mlog_parse_index (ptr=0x7f4d8e1eb91f "\034\066Xb14703503816de8638f83310ac00\200", ptr@entry=0x7f4d8e1eb915 "", end_ptr=end_ptr@entry=0x7f4d8e1f49e6 "\377\377\377\377\002", comp=comp@entry=1, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:693
#5  0x0000558cd909e63d in recv_parse_or_apply_log_rec_body (type=MLOG_COMP_REC_INSERT, ptr=0x7f4d8e1eb915 "", end_ptr=0x7f4d8e1f49e6 "\377\377\377\377\002", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1515
#6  0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e1eb90f "&\300K\017\226\376", end_ptr=0x7f4d8e1f49e6 "\377\377\377\377\002", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#7  0x0000558cd90a294a in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2954
#8  0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#9  0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#10 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#11 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#12 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#13 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#14 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#15 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9eb39540 in __GI___libc_malloc (bytes=bytes@entry=1240) at malloc.c:3055

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9eb39540 in __GI___libc_malloc (bytes=bytes@entry=1240) at malloc.c:3055
#1  0x0000558cd90a66b4 in mem_heap_create_block_func (heap=0x558cdb785fd0, n=<optimized out>, type=0) at ./storage/innobase/mem/mem0mem.cc:277
#2  0x0000558cd90a67c3 in mem_heap_add_block (heap=heap@entry=0x558cdb785fd0, n=n@entry=10) at ./storage/innobase/mem/mem0mem.cc:378
#3  0x0000558cd8febcf7 in mem_heap_alloc (n=10, heap=0x558cdb785fd0) at ./storage/innobase/include/mem0mem.ic:191
#4  mem_heap_dup (len=10, data=0x558cd9521e42, heap=0x558cdb785fd0) at ./storage/innobase/include/mem0mem.h:242
#5  mem_heap_strdup (str=0x558cd9521e42 "LOG_DUMMY", heap=0x558cdb785fd0) at ./storage/innobase/include/mem0mem.h:254
#6  dict_mem_fill_index_struct (n_fields=1, type=0, index_name=0x558cd9521e42 "LOG_DUMMY", heap=0x558cdb785fd0, index=0x558cdb786118) at ./storage/innobase/include/dict0mem.ic:48
#7  dict_mem_index_create (table=<optimized out>, index_name=index_name@entry=0x558cd9521e42 "LOG_DUMMY", type=type@entry=0, n_fields=n_fields@entry=1) at ./storage/innobase/dict/dict0mem.cc:790
#8  0x0000558cd90a9f7e in mlog_parse_index (ptr=ptr@entry=0x7f4d8e23804f "\003\275\002\226\276\341)+\264", end_ptr=end_ptr@entry=0x7f4d8e243527 "", comp=comp@entry=0, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:669
#9  0x0000558cd909e941 in recv_parse_or_apply_log_rec_body (type=<optimized out>, ptr=0x7f4d8e23804f "\003\275\002\226\276\341)+\264", end_ptr=0x7f4d8e243527 "", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1652
#10 0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e23804a "\016", end_ptr=0x7f4d8e243527 "", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#11 0x0000558cd90a294a in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2954
#12 0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#13 0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#14 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#15 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#16 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#17 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#18 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#19 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f4d9eb39540 in __GI___libc_malloc (bytes=bytes@entry=1768) at malloc.c:3055

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  0x00007f4d9eb39540 in __GI___libc_malloc (bytes=bytes@entry=1768) at malloc.c:3055
#1  0x0000558cd90a66b4 in mem_heap_create_block_func (heap=0x558cdb7853d0, n=<optimized out>, type=0) at ./storage/innobase/mem/mem0mem.cc:277
#2  0x0000558cd90a67c3 in mem_heap_add_block (heap=heap@entry=0x558cdb7853d0, n=<optimized out>) at ./storage/innobase/mem/mem0mem.cc:378
#3  0x0000558cd8fe8f38 in mem_heap_alloc (n=<optimized out>, heap=0x558cdb7853d0) at ./storage/innobase/include/mem0mem.ic:191
#4  dict_mem_table_create (name=name@entry=0x558cd9521e42 "LOG_DUMMY", space=space@entry=0x0, n_cols=n_cols@entry=16, n_v_cols=n_v_cols@entry=0, flags=flags@entry=1, flags2=flags2@entry=0) at ./storage/innobase/dict/dict0mem.cc:179
#5  0x0000558cd90aa03a in mlog_parse_index (ptr=<optimized out>, ptr@entry=0x7f4d8e2587ae "", end_ptr=end_ptr@entry=0x7f4d8e261001 "", comp=comp@entry=1, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:661
#6  0x0000558cd909e941 in recv_parse_or_apply_log_rec_body (type=<optimized out>, ptr=0x7f4d8e2587ae "", end_ptr=0x7f4d8e261001 "", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1652
#7  0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e2587a6 "\252\300Cc\341\v\205\023", end_ptr=0x7f4d8e261001 "", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#8  0x0000558cd90a2414 in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2734
#9  0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#10 0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#11 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:61

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:61
#1  0x0000558cd8fe907c in dict_add_col_name (heap=0x558cdb7853d0, name=0x558cd950adff "DB_ROW_ID", cols=4, col_names=<optimized out>) at ./storage/innobase/dict/dict0mem.cc:279
#2  dict_mem_table_add_col (table=table@entry=0x558cdb785518, heap=<optimized out>, heap@entry=0x558cdb7853d0, name=name@entry=0x558cd950adff "DB_ROW_ID", mtype=mtype@entry=8, prtype=prtype@entry=256, len=len@entry=6) at ./storage/innobase/dict/dict0mem.cc:337
#3  0x0000558cd8fd039a in dict_table_add_system_columns (table=table@entry=0x558cdb785518, heap=0x558cdb7853d0) at ./storage/innobase/dict/dict0dict.cc:954
#4  0x0000558cd90aa121 in mlog_parse_index (ptr=0x7f4d8e249c47 "#\v\"R\200", ptr@entry=0x7f4d8e249c3b "", end_ptr=end_ptr@entry=0x7f4d8e25189f "\b#\033\252\207\b\003", comp=comp@entry=1, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:693
#5  0x0000558cd909e63d in recv_parse_or_apply_log_rec_body (type=MLOG_COMP_REC_INSERT, ptr=0x7f4d8e249c3b "", end_ptr=0x7f4d8e25189f "\b#\033\252\207\b\003", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1515
#6  0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e249c35 "&\300K\017\244", <incomplete sequence \371>, end_ptr=0x7f4d8e25189f "\b#\033\252\207\b\003", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#7  0x0000558cd90a27dc in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2861
#8  0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#9  0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#10 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#11 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#12 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#13 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#14 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#15 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:336

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:336
#1  0x0000558cd8feba5a in mem_heap_strdup (str=0x558cd9521e42 "LOG_DUMMY", heap=0x558cdb785fd0) at ./storage/innobase/include/mem0mem.h:254
#2  dict_mem_fill_index_struct (n_fields=2, type=0, index_name=0x558cd9521e42 "LOG_DUMMY", heap=0x558cdb785fd0, index=0x558cdb786118) at ./storage/innobase/include/dict0mem.ic:48
#3  dict_mem_index_create (table=table@entry=0x558cdb785518, index_name=index_name@entry=0x558cd9521e42 "LOG_DUMMY", type=type@entry=0, n_fields=n_fields@entry=2) at ./storage/innobase/dict/dict0mem.cc:790
#4  0x0000558cd90aa051 in mlog_parse_index (ptr=<optimized out>, ptr@entry=0x7f4d8e2649e4 "", end_ptr=end_ptr@entry=0x7f4d8e270c23 "pPAMeF2ihnn3vmaXeIdb9EA8VHKqgp51ohxaQdUoUixdaoi6rANojw4oqiUE30gWZwb0zU4ijgk4ls_THn9zFO1iLmKQMi2RKQM4fUmCX7xkeA-433kKzZmmQ_LAxkRwZ\n        )\n\n)\nArray\n(\n)\nArray\n(\n)\n10.1.11.43\200\001\263\215\200\031\341S\037\224", comp=comp@entry=1, index=index@entry=0x7ffe46a53cf0) at ./storage/innobase/mtr/mtr0log.cc:669
#5  0x0000558cd909e63d in recv_parse_or_apply_log_rec_body (type=MLOG_COMP_REC_INSERT, ptr=0x7f4d8e2649e4 "", end_ptr=0x7f4d8e270c23 "pPAMeF2ihnn3vmaXeIdb9EA8VHKqgp51ohxaQdUoUixdaoi6rANojw4oqiUE30gWZwb0zU4ijgk4ls_THn9zFO1iLmKQMi2RKQM4fUmCX7xkeA-433kKzZmmQ_LAxkRwZ\n        )\n\n)\nArray\n(\n)\nArray\n(\n)\n10.1.11.43\200\001\263\215\200\031\341S\037\224", page_id=..., apply=<optimized out>, block=0x0, mtr=0x0) at ./storage/innobase/log/log0recv.cc:1515
#6  0x0000558cd90a2216 in recv_parse_log_rec (type=0x7ffe46a541a4, ptr=0x7f4d8e2649dd "&\232\034\340x\v0", end_ptr=0x7f4d8e270c23 "pPAMeF2ihnn3vmaXeIdb9EA8VHKqgp51ohxaQdUoUixdaoi6rANojw4oqiUE30gWZwb0zU4ijgk4ls_THn9zFO1iLmKQMi2RKQM4fUmCX7xkeA-433kKzZmmQ_LAxkRwZ\n        )\n\n)\nArray\n(\n)\nArray\n(\n)\n10.1.11.43\200\001\263\215\200\031\341S\037\224", space=0x7ffe46a541a8, page_no=0x7ffe46a541b0, apply=<optimized out>, body=0x7ffe46a541b8) at ./storage/innobase/include/buf0types.h:148
#7  0x0000558cd90a294a in recv_parse_log_recs (checkpoint_lsn=17584511767581, store=0x7ffe46a544d8, available_mem=171147264, apply=true) at ./storage/innobase/log/log0recv.cc:2954
#8  0x0000558cd90a3794 in recv_scan_log_recs (available_mem=171147264, store_to_hash=0x7ffe46a544d8, log_block=<optimized out>, checkpoint_lsn=17584511767581, start_lsn=<optimized out>, end_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, group_scanned_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3274
#9  0x0000558cd90a3cb4 in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a545a0, last_phase=<optimized out>) at ./storage/innobase/include/ut0byte.ic:55
#10 0x0000558cd90a420b in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3741
#11 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#12 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#13 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#14 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#15 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=289) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  recv_recover_page (block=0x7f4d8eee2810, mtr=..., recv_addr=<optimized out>, init=<optimized out>) at ./storage/innobase/log/log0recv.cc:1977
#1  0x0000558cd8ad24ea in recv_recover_page (bpage=bpage@entry=0x7f4d8eee2810) at ./storage/innobase/log/log0recv.cc:2141
#2  0x0000558cd8ab549e in buf_page_io_complete (bpage=0x7f4d8eee2810, dblwr=dblwr@entry=false, evict=evict@entry=false) at ./storage/innobase/buf/buf0buf.cc:6200
#3  0x0000558cd8ff2c8c in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4366
#4  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#5  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#6  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdb754300 "RISK_DM_SYS/s_log_galileo_engine.ibd", file=..., buf=buf@entry=0x7f4d9b018000, offset=49152, n=16384, read_only=false, m1=0x558cdb754260, m2=0x7f4d8eee2810) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8eee2810, m1=0x558cdb754260, read_only=<optimized out>, n=16384, offset=49152, buf=0x7f4d9b018000, file=..., name=0x558cdb754300 "RISK_DM_SYS/s_log_galileo_engine.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9b018000, message=0x7f4d8eee2810, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=19219, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=2) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=1) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=1479) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", file=..., buf=buf@entry=0x7f4d9a3b8000, offset=499080069120, n=16384, read_only=false, m1=0x558cdb76f8c0, m2=0x7f4d8ee9ffd0) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8ee9ffd0, m1=0x558cdb76f8c0, read_only=<optimized out>, n=16384, offset=499080069120, buf=0x7f4d9a3b8000, file=..., name=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a3b8000, message=0x7f4d8ee9ffd0, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17254, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=22) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=2675) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc7530 "./ibdata1", file=..., buf=buf@entry=0x7f4d9ca10000, offset=2527805440, n=16384, read_only=false, m1=0x558cdb2e6b80, m2=0x7f4d8ef6e160) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8ef6e160, m1=0x558cdb2e6b80, read_only=<optimized out>, n=16384, offset=2527805440, buf=0x7f4d9ca10000, file=..., name=0x558cdacc7530 "./ibdata1", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9ca10000, message=0x7f4d8ef6e160, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=0, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=74) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=3896) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", file=..., buf=buf@entry=0x7f4d9e068000, offset=469608448000, n=16384, read_only=false, m1=0x558cdb76f8c0, m2=0x7f4d8efe62f0) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8efe62f0, m1=0x558cdb76f8c0, read_only=<optimized out>, n=16384, offset=469608448000, buf=0x7f4d9e068000, file=..., name=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9e068000, message=0x7f4d8efe62f0, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17254, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=148) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=5124) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", file=..., buf=buf@entry=0x7f4d9a38c000, offset=193435222016, n=16384, read_only=false, m1=0x558cdb76f8c0, m2=0x7f4d8ee9f108) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8ee9f108, m1=0x558cdb76f8c0, read_only=<optimized out>, n=16384, offset=193435222016, buf=0x7f4d9a38c000, file=..., name=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a38c000, message=0x7f4d8ee9f108, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17254, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
__libc_pread64 (offset=177435852800, count=16384, buf=0x7f4d9a380000, fd=17) at ../sysdeps/unix/sysv/linux/pread64.c:29

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=182) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=6343) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  __libc_pread64 (offset=177435852800, count=16384, buf=0x7f4d9a380000, fd=17) at ../sysdeps/unix/sysv/linux/pread64.c:29
#1  __libc_pread64 (fd=17, buf=0x7f4d9a380000, count=16384, offset=177435852800) at ../sysdeps/unix/sysv/linux/pread64.c:27
#2  0x0000558cd90ade65 in pread64 (__offset=177435852800, __nbytes=16384, __buf=0x7f4d9a380000, __fd=17) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99
#3  SyncFileIO::execute (request=..., this=<synthetic pointer>) at ./storage/innobase/os/os0file.cc:1493
#4  os_file_io (in_type=..., file=17, buf=<optimized out>, n=16384, offset=177435852800, err=0x7ffe46a5314c) at ./storage/innobase/os/os0file.cc:4817
#5  0x0000558cd90b115e in os_file_pread (err=0x7ffe46a5314c, offset=177435852800, n=16384, buf=<optimized out>, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:4987
#6  os_file_read_page (type=..., file=<optimized out>, buf=<optimized out>, offset=177435852800, n=16384, o=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5021
#7  0x0000558cd90b1e0b in os_file_read_func (n=16384, offset=177435852800, buf=0x7f4d9a380000, file=<optimized out>, type=...) at ./storage/innobase/os/os0file.cc:5411
#8  os_aio_func (type=..., mode=mode@entry=24, name=name@entry=0x558cdb74fdb0 "GALILEO_DATA/t_galileo_group_120.ibd", file=..., buf=buf@entry=0x7f4d9a380000, offset=177435852800, n=16384, read_only=false, m1=0x558cdb74fd10, m2=0x7f4d8ee9ed00) at ./storage/innobase/os/os0file.cc:6591
#9  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8ee9ed00, m1=0x558cdb74fd10, read_only=<optimized out>, n=16384, offset=177435852800, buf=0x7f4d9a380000, file=..., name=0x558cdb74fdb0 "GALILEO_DATA/t_galileo_group_120.ibd", mode=24, type=...) at ./storage/innobase/include/os0file.ic:253
#10 fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a380000, message=0x7f4d8ee9ed00, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#11 0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#12 0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17251, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#13 0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#14 recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#15 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#16 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#17 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#18 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#19 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#20 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#21 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=1077) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=8128) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdb74f9f0 "GALILEO_DATA/t_galileo_link_177.ibd", file=..., buf=buf@entry=0x7f4d9de3c000, offset=355983212544, n=16384, read_only=false, m1=0x558cdb74f950, m2=0x7f4d8efda828) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8efda828, m1=0x558cdb74f950, read_only=<optimized out>, n=16384, offset=355983212544, buf=0x7f4d9de3c000, file=..., name=0x558cdb74f9f0 "GALILEO_DATA/t_galileo_link_177.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9de3c000, message=0x7f4d8efda828, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=5169, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=1901) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=9833) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", file=..., buf=buf@entry=0x7f4d9a9a4000, offset=803172155392, n=16384, read_only=false, m1=0x558cdb76f8c0, m2=0x7f4d8eebfd18) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8eebfd18, m1=0x558cdb76f8c0, read_only=<optimized out>, n=16384, offset=803172155392, buf=0x7f4d9a9a4000, file=..., name=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a9a4000, message=0x7f4d8eebfd18, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17254, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb0) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=2661) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8640) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=11525) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc7530 "./ibdata1", file=..., buf=buf@entry=0x7f4d9a5f0000, offset=557793280, n=16384, read_only=false, m1=0x558cdb2e6b80, m2=0x7f4d8eeabea0) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8eeabea0, m1=0x558cdb2e6b80, read_only=<optimized out>, n=16384, offset=557793280, buf=0x7f4d9a5f0000, file=..., name=0x558cdacc7530 "./ibdata1", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a5f0000, message=0x7f4d8eeabea0, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=0, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=1) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]
[New LWP 18493]
[New LWP 18494]
[New LWP 18495]
[New LWP 18496]
[New LWP 18497]
[New LWP 18498]
[New LWP 18499]
[New LWP 18500]
[New LWP 18501]
[New LWP 18502]
[New LWP 18503]
[New LWP 19243]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38

Thread 13 (Thread 0x7f4d83fff700 (LWP 19243)):
#0  futex_abstimed_wait_cancelable (private=0, abstime=0x7f4d83ffee00, expected=0, futex_word=0x558cdacd9cb4) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
#1  __pthread_cond_wait_common (abstime=0x7f4d83ffee00, mutex=0x558cdacd9c60, cond=0x558cdacd9c88) at pthread_cond_wait.c:539
#2  __pthread_cond_timedwait (cond=0x558cdacd9c88, mutex=0x558cdacd9c60, abstime=abstime@entry=0x7f4d83ffee00) at pthread_cond_wait.c:667
#3  0x0000558cd90b4c82 in os_event::timed_wait (this=<optimized out>, abstime=0x7f4d83ffee00) at ./storage/innobase/include/sync0types.h:471
#4  0x0000558cd90b4de1 in os_event::wait_time_low (this=0x558cdacd9c50, time_in_usec=<optimized out>, reset_sig_count=3972) at ./storage/innobase/os/os0event.cc:385
#5  0x0000558cd909bc7f in recv_writer_thread (arg=<optimized out>) at ./storage/innobase/log/log0recv.cc:785
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 12 (Thread 0x7f4d88b94700 (LWP 18503)):
#0  futex_wait_cancelable (private=0, expected=0, futex_word=0x558cdb2a8644) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
#1  __pthread_cond_wait_common (abstime=0x0, mutex=0x558cdb2a85f0, cond=0x558cdb2a8618) at pthread_cond_wait.c:502
#2  __pthread_cond_wait (cond=cond@entry=0x558cdb2a8618, mutex=mutex@entry=0x558cdb2a85f0) at pthread_cond_wait.c:655
#3  0x0000558cd90b4d41 in os_event::wait (this=0x558cdb2a85e0) at ./storage/innobase/include/sync0types.h:471
#4  os_event::wait_low (this=0x558cdb2a85e0, reset_sig_count=13650) at ./storage/innobase/os/os0event.cc:325
#5  0x0000558cd8ab8b97 in buf_flush_page_cleaner_coordinator () at ./storage/innobase/buf/buf0flu.cc:3032
#6  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#7  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 11 (Thread 0x7f4d89395700 (LWP 18502)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89394be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89394be0, m1=0x7f4d89394c80, m2=0x7f4d89394c88, request=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89394c90, m2=0x7f4d89394c88, m1=0x7f4d89394c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7f4d89394c80, m2=m2@entry=0x7f4d89394c88, request=request@entry=0x7f4d89394c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=9) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 10 (Thread 0x7f4d89b96700 (LWP 18501)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d89b95be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d89b95be0, m1=0x7f4d89b95c80, m2=0x7f4d89b95c88, request=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d89b95c90, m2=0x7f4d89b95c88, m1=0x7f4d89b95c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7f4d89b95c80, m2=m2@entry=0x7f4d89b95c88, request=request@entry=0x7f4d89b95c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=8) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 9 (Thread 0x7f4d8a397700 (LWP 18500)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8a396be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8a396be0, m1=0x7f4d8a396c80, m2=0x7f4d8a396c88, request=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8a396c90, m2=0x7f4d8a396c88, m1=0x7f4d8a396c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7f4d8a396c80, m2=m2@entry=0x7f4d8a396c88, request=request@entry=0x7f4d8a396c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=7) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 8 (Thread 0x7f4d8ab98700 (LWP 18499)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8ab97be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8ab97be0, m1=0x7f4d8ab97c80, m2=0x7f4d8ab97c88, request=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8ab97c90, m2=0x7f4d8ab97c88, m1=0x7f4d8ab97c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7f4d8ab97c80, m2=m2@entry=0x7f4d8ab97c88, request=request@entry=0x7f4d8ab97c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=6) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 7 (Thread 0x7f4d8b399700 (LWP 18498)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8b398be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8b398be0, m1=0x7f4d8b398c80, m2=0x7f4d8b398c88, request=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8b398c90, m2=0x7f4d8b398c88, m1=0x7f4d8b398c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7f4d8b398c80, m2=m2@entry=0x7f4d8b398c88, request=request@entry=0x7f4d8b398c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=5) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 6 (Thread 0x7f4d8bb9a700 (LWP 18497)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8bb99be0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8bb99be0, m1=0x7f4d8bb99c80, m2=0x7f4d8bb99c88, request=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8bb99c90, m2=0x7f4d8bb99c88, m1=0x7f4d8bb99c80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7f4d8bb99c80, m2=m2@entry=0x7f4d8bb99c88, request=request@entry=0x7f4d8bb99c90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=4) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 5 (Thread 0x7f4d8c39b700 (LWP 18496)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8c39abe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8c39abe0, m1=0x7f4d8c39ac80, m2=0x7f4d8c39ac88, request=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8c39ac90, m2=0x7f4d8c39ac88, m1=0x7f4d8c39ac80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7f4d8c39ac80, m2=m2@entry=0x7f4d8c39ac88, request=request@entry=0x7f4d8c39ac90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=3) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 4 (Thread 0x7f4d8cb9c700 (LWP 18495)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8cb9bbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8cb9bbe0, m1=0x7f4d8cb9bc80, m2=0x7f4d8cb9bc88, request=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8cb9bc90, m2=0x7f4d8cb9bc88, m1=0x7f4d8cb9bc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7f4d8cb9bc80, m2=m2@entry=0x7f4d8cb9bc88, request=request@entry=0x7f4d8cb9bc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=2) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 3 (Thread 0x7f4d8d39d700 (LWP 18494)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8d39cbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8d39cbe0, m1=0x7f4d8d39cc80, m2=0x7f4d8d39cc88, request=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8d39cc90, m2=0x7f4d8d39cc88, m1=0x7f4d8d39cc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7f4d8d39cc80, m2=m2@entry=0x7f4d8d39cc88, request=request@entry=0x7f4d8d39cc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=1) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 2 (Thread 0x7f4d8db9e700 (LWP 18493)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f27a in ?? () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90adb21 in LinuxAIOHandler::collect (this=0x7f4d8db9dbe0) at ./storage/innobase/os/os0file.cc:1819
#3  0x0000558cd90b1fc5 in LinuxAIOHandler::poll (this=0x7f4d8db9dbe0, m1=0x7f4d8db9dc80, m2=0x7f4d8db9dc88, request=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:1980
#4  0x0000558cd90b3b50 in os_aio_linux_handler (request=0x7f4d8db9dc90, m2=0x7f4d8db9dc88, m1=0x7f4d8db9dc80, global_segment=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:805
#5  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7f4d8db9dc80, m2=m2@entry=0x7f4d8db9dc88, request=request@entry=0x7f4d8db9dc90) at ./storage/innobase/os/os0file.cc:5604
#6  0x0000558cd8ff2b28 in fil_aio_wait (segment=segment@entry=0) at ./storage/innobase/fil/fil0fil.cc:4301
#7  0x0000558cd9133a10 in io_handler_thread (arg=<optimized out>) at ./storage/innobase/srv/srv0start.cc:324
#8  0x00007f4d9f699fa3 in start_thread (arg=<optimized out>) at pthread_create.c:486
#9  0x00007f4d9ebae4cf in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95

Thread 1 (Thread 0x7f4d9e9217c0 (LWP 8995)):
#0  syscall () at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007f4d9f66f311 in io_submit () from /lib/x86_64-linux-gnu/libaio.so.1
#2  0x0000558cd90ad79d in AIO::linux_dispatch (this=<optimized out>, slot=<optimized out>) at /usr/include/c++/8/bits/stl_vector.h:930
#3  0x0000558cd90b1b67 in os_aio_func (type=..., mode=mode@entry=21, name=name@entry=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", file=..., buf=buf@entry=0x7f4d9a25c000, offset=809465561088, n=16384, read_only=false, m1=0x558cdb76f8c0, m2=0x7f4d8ee98ae8) at ./storage/innobase/os/os0file.cc:6622
#4  0x0000558cd8ff42ad in pfs_os_aio_func (src_file=0x558cd950c408 "/home/buildbot/buildbot/build/mariadb-10.4.14/storage/innobase/fil/fil0fil.cc", src_line=4261, m2=0x7f4d8ee98ae8, m1=0x558cdb76f8c0, read_only=<optimized out>, n=16384, offset=809465561088, buf=0x7f4d9a25c000, file=..., name=0x558cdacc77f0 "GALILEO_DATA/t_galileo_group_117.ibd", mode=21, type=...) at ./storage/innobase/include/os0file.ic:253
#5  fil_io (type=..., sync=<optimized out>, page_id=..., zip_size=<optimized out>, zip_size@entry=0, byte_offset=byte_offset@entry=0, len=16384, buf=0x7f4d9a25c000, message=0x7f4d8ee98ae8, ignore_missing_space=false) at ./storage/innobase/fil/fil0fil.cc:4256
#6  0x0000558cd8fcc8c4 in buf_read_page_low (err=0x7ffe46a53944, sync=<optimized out>, type=64, mode=<optimized out>, page_id=..., zip_size=0, unzip=true, ignore_missing_space=false) at ./storage/innobase/buf/buf0rea.cc:181
#7  0x0000558cd8fce244 in buf_read_recv_pages (sync=sync@entry=false, space_id=space_id@entry=17254, page_nos=page_nos@entry=0x7ffe46a53d40, n_stored=n_stored@entry=23) at ./storage/innobase/buf/buf0rea.cc:916
#8  0x0000558cd90a0ded in recv_read_in_area (page_id=...) at ./storage/innobase/include/buf0types.h:168
#9  recv_apply_hashed_log_recs (last_batch=<optimized out>) at ./storage/innobase/log/log0recv.cc:2374
#10 0x0000558cd90a3d9a in recv_group_scan_log_recs (checkpoint_lsn=<optimized out>, contiguous_lsn=0x7ffe46a54588, last_phase=<optimized out>) at ./storage/innobase/log/log0recv.cc:3356
#11 0x0000558cd90a4c63 in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at ./storage/innobase/log/log0recv.cc:3777
#12 0x0000558cd8ae8d22 in srv_start (create_new_db=<optimized out>) at ./storage/innobase/srv/srv0start.cc:1866
#13 0x0000558cd8b1ef93 in innodb_init () at ./extra/mariabackup/xtrabackup.cc:2026
#14 xtrabackup_prepare_func (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:5598
#15 main_low (argv=<optimized out>) at ./extra/mariabackup/xtrabackup.cc:6532
#16 0x0000558cd8afe949 in main (argc=7, argv=0x7ffe46a5d118) at ./extra/mariabackup/xtrabackup.cc:6322
[Inferior 1 (process 8995) detached]