[New LWP 268613]
[New LWP 268612]
[New LWP 268611]
[New LWP 268610]
[New LWP 268609]
[New LWP 268608]
[New LWP 268607]
[New LWP 268605]
[New LWP 268604]
[New LWP 268603]
[New LWP 268602]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
0x00007fd7d885efc3 in pread64 () from /lib64/libpthread.so.0

Thread 12 (Thread 0x7fcf4d8e3700 (LWP 268602)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4d8e2c70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4d8e2c70, m1=m1@entry=0x7fcf4d8e2d20, m2=m2@entry=0x7fcf4d8e2d30, request=request@entry=0x7fcf4d8e2d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4d8e2d40, m2=0x7fcf4d8e2d30, m1=0x7fcf4d8e2d20, global_segment=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=0, m1=m1@entry=0x7fcf4d8e2d20, m2=m2@entry=0x7fcf4d8e2d30, request=request@entry=0x7fcf4d8e2d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=0) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 11 (Thread 0x7fcf4d0e2700 (LWP 268603)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4d0e1c70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4d0e1c70, m1=m1@entry=0x7fcf4d0e1d20, m2=m2@entry=0x7fcf4d0e1d30, request=request@entry=0x7fcf4d0e1d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4d0e1d40, m2=0x7fcf4d0e1d30, m1=0x7fcf4d0e1d20, global_segment=1) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=1, m1=m1@entry=0x7fcf4d0e1d20, m2=m2@entry=0x7fcf4d0e1d30, request=request@entry=0x7fcf4d0e1d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=1) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 10 (Thread 0x7fcf4c8e1700 (LWP 268604)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4c8e0c70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4c8e0c70, m1=m1@entry=0x7fcf4c8e0d20, m2=m2@entry=0x7fcf4c8e0d30, request=request@entry=0x7fcf4c8e0d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4c8e0d40, m2=0x7fcf4c8e0d30, m1=0x7fcf4c8e0d20, global_segment=2) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=2, m1=m1@entry=0x7fcf4c8e0d20, m2=m2@entry=0x7fcf4c8e0d30, request=request@entry=0x7fcf4c8e0d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=2) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 9 (Thread 0x7fcf4c0e0700 (LWP 268605)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4c0dfc70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4c0dfc70, m1=m1@entry=0x7fcf4c0dfd20, m2=m2@entry=0x7fcf4c0dfd30, request=request@entry=0x7fcf4c0dfd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4c0dfd40, m2=0x7fcf4c0dfd30, m1=0x7fcf4c0dfd20, global_segment=3) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=3, m1=m1@entry=0x7fcf4c0dfd20, m2=m2@entry=0x7fcf4c0dfd30, request=request@entry=0x7fcf4c0dfd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=3) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 8 (Thread 0x7fcf4b8df700 (LWP 268607)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4b8dec70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4b8dec70, m1=m1@entry=0x7fcf4b8ded20, m2=m2@entry=0x7fcf4b8ded30, request=request@entry=0x7fcf4b8ded40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4b8ded40, m2=0x7fcf4b8ded30, m1=0x7fcf4b8ded20, global_segment=4) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=4, m1=m1@entry=0x7fcf4b8ded20, m2=m2@entry=0x7fcf4b8ded30, request=request@entry=0x7fcf4b8ded40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=4) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 7 (Thread 0x7fcf4b0de700 (LWP 268608)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4b0ddc70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4b0ddc70, m1=m1@entry=0x7fcf4b0ddd20, m2=m2@entry=0x7fcf4b0ddd30, request=request@entry=0x7fcf4b0ddd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4b0ddd40, m2=0x7fcf4b0ddd30, m1=0x7fcf4b0ddd20, global_segment=5) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=5, m1=m1@entry=0x7fcf4b0ddd20, m2=m2@entry=0x7fcf4b0ddd30, request=request@entry=0x7fcf4b0ddd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=5) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 6 (Thread 0x7fcf4a8dd700 (LWP 268609)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4a8dcc70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4a8dcc70, m1=m1@entry=0x7fcf4a8dcd20, m2=m2@entry=0x7fcf4a8dcd30, request=request@entry=0x7fcf4a8dcd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4a8dcd40, m2=0x7fcf4a8dcd30, m1=0x7fcf4a8dcd20, global_segment=6) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=6, m1=m1@entry=0x7fcf4a8dcd20, m2=m2@entry=0x7fcf4a8dcd30, request=request@entry=0x7fcf4a8dcd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=6) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 5 (Thread 0x7fcf4a0dc700 (LWP 268610)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf4a0dbc70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf4a0dbc70, m1=m1@entry=0x7fcf4a0dbd20, m2=m2@entry=0x7fcf4a0dbd30, request=request@entry=0x7fcf4a0dbd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf4a0dbd40, m2=0x7fcf4a0dbd30, m1=0x7fcf4a0dbd20, global_segment=7) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=7, m1=m1@entry=0x7fcf4a0dbd20, m2=m2@entry=0x7fcf4a0dbd30, request=request@entry=0x7fcf4a0dbd40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=7) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 4 (Thread 0x7fcf498db700 (LWP 268611)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf498dac70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf498dac70, m1=m1@entry=0x7fcf498dad20, m2=m2@entry=0x7fcf498dad30, request=request@entry=0x7fcf498dad40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf498dad40, m2=0x7fcf498dad30, m1=0x7fcf498dad20, global_segment=8) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=8, m1=m1@entry=0x7fcf498dad20, m2=m2@entry=0x7fcf498dad30, request=request@entry=0x7fcf498dad40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=8) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 3 (Thread 0x7fcf490da700 (LWP 268612)):
#0  0x00007fd7d864e644 in __io_getevents_0_4 () from /lib64/libaio.so.1
#1  0x0000559f0f01c70a in LinuxAIOHandler::collect (this=this@entry=0x7fcf490d9c70) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1926
#2  0x0000559f0f01cc82 in LinuxAIOHandler::poll (this=this@entry=0x7fcf490d9c70, m1=m1@entry=0x7fcf490d9d20, m2=m2@entry=0x7fcf490d9d30, request=request@entry=0x7fcf490d9d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2085
#3  0x0000559f0f023e89 in os_aio_linux_handler (request=0x7fcf490d9d40, m2=0x7fcf490d9d30, m1=0x7fcf490d9d20, global_segment=9) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:2139
#4  os_aio_handler (segment=segment@entry=9, m1=m1@entry=0x7fcf490d9d20, m2=m2@entry=0x7fcf490d9d30, request=request@entry=0x7fcf490d9d40) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5738
#5  0x0000559f0ef48326 in fil_aio_wait (segment=segment@entry=9) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5122
#6  0x0000559f0f0bcda8 in io_handler_thread (arg=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:332
#7  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#8  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 2 (Thread 0x7fcf488d9700 (LWP 268613)):
#0  0x00007fd7d885ba35 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x0000559f0f0256a1 in wait (this=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:158
#2  wait_low (reset_sig_count=<optimized out>, this=0x559f3b78dfc0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:325
#3  os_event_wait_low (event=0x559f3b78dfc0, reset_sig_count=reset_sig_count@entry=0) at /home/buildbot/buildbot/build/storage/innobase/os/os0event.cc:507
#4  0x0000559f0ef0dac6 in buf_flush_page_cleaner_coordinator () at /home/buildbot/buildbot/build/storage/innobase/buf/buf0flu.cc:3109
#5  0x00007fd7d8857ea5 in start_thread () from /lib64/libpthread.so.0
#6  0x00007fd7d77319fd in clone () from /lib64/libc.so.6

Thread 1 (Thread 0x7fd7d8c79740 (LWP 267387)):
#0  0x00007fd7d885efc3 in pread64 () from /lib64/libpthread.so.0
#1  0x0000559f0f01a7b5 in pread (__offset=130515861504, __nbytes=65536, __buf=0x7fcf7ea45200, __fd=7) at /usr/include/bits/unistd.h:100
#2  execute (request=<synthetic pointer>, this=<synthetic pointer>) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:1604
#3  os_file_io (in_type=..., file=7, file@entry=0, buf=buf@entry=0x7ffd1b8d5170, n=n@entry=65536, offset=offset@entry=130515861504, err=err@entry=0x7ffd1b8d5030) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:4943
#4  0x0000559f0f01b49f in os_file_pread (err=0x7ffd1b8d5030, offset=130515861504, n=65536, buf=0x7ffd1b8d5170, file=0, type=...) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5113
#5  os_file_read_page (type=..., file=file@entry=7, buf=buf@entry=0x7fcf7ea45200, offset=offset@entry=130515861504, n=n@entry=65536, o=o@entry=0x0, exit_on_err=exit_on_err@entry=true) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5147
#6  0x0000559f0f02222f in os_file_read_func (n=65536, offset=130515861504, buf=0x7fcf7ea45200, file=<optimized out>, type=...) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:5511
#7  os_aio_func (type=..., mode=mode@entry=24, name=name@entry=0x559f3b7ad730 "./ib_logfile0", file=..., buf=buf@entry=0x7fcf7ea45200, offset=offset@entry=130515861504, n=n@entry=65536, read_only=read_only@entry=false, m1=m1@entry=0x559f3b7ad690, m2=m2@entry=0x0) at /home/buildbot/buildbot/build/storage/innobase/os/os0file.cc:6724
#8  0x0000559f0ef50eca in pfs_os_aio_func (src_file=0x559f0f473d68 "/home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc", src_line=5082, m2=0x0, m1=0x559f3b7ad690, read_only=<optimized out>, n=65536, offset=130515861504, buf=0x7fcf7ea45200, file=..., name=0x559f3b7ad730 "./ib_logfile0", mode=24, type=...) at /home/buildbot/buildbot/build/storage/innobase/include/os0file.ic:254
#9  fil_io (type=..., sync=sync@entry=true, page_id=..., page_size=..., byte_offset=<optimized out>, len=len@entry=65536, buf=buf@entry=0x7fcf7ea45200, message=message@entry=0x0, ignore_missing_space=ignore_missing_space@entry=false) at /home/buildbot/buildbot/build/storage/innobase/fil/fil0fil.cc:5077
#10 0x0000559f0f003838 in log_group_read_log_seg (buf=0x7fcf7ea45200 "1\256\353k\002", group=group@entry=0x559f3b78cbe0, start_lsn=start_lsn@entry=0x7ffd1b8d5750, end_lsn=141164264543232) at /home/buildbot/buildbot/build/storage/innobase/log/log0recv.cc:955
#11 0x0000559f0f00d9bd in recv_group_scan_log_recs (group=group@entry=0x559f3b78cbe0, checkpoint_lsn=checkpoint_lsn@entry=141033748618439, contiguous_lsn=contiguous_lsn@entry=0x7ffd1b8d5900, last_phase=last_phase@entry=false) at /home/buildbot/buildbot/build/storage/innobase/log/log0recv.cc:3446
#12 0x0000559f0f00f28d in recv_recovery_from_checkpoint_start (flush_lsn=<optimized out>) at /home/buildbot/buildbot/build/storage/innobase/log/log0recv.cc:3847
#13 0x0000559f0f0c1be9 in innobase_start_or_create_for_mysql () at /home/buildbot/buildbot/build/storage/innobase/srv/srv0start.cc:2210
#14 0x0000559f0eaef4fb in innodb_init () at /home/buildbot/buildbot/build/extra/mariabackup/xtrabackup.cc:1990
#15 xtrabackup_prepare_func (argv=<optimized out>) at /home/buildbot/buildbot/build/extra/mariabackup/xtrabackup.cc:5573
#16 main_low (argv=<optimized out>) at /home/buildbot/buildbot/build/extra/mariabackup/xtrabackup.cc:6407
#17 0x0000559f0eacdab7 in main (argc=5, argv=0x7ffd1b8e08f8) at /home/buildbot/buildbot/build/extra/mariabackup/xtrabackup.cc:6200
$1 = {m_impl = {m_lock_word = 0, m_event = 0x559f1174c670, m_policy = {m_count = {m_spins = 0, m_waits = 0, m_calls = 0, m_enabled = false}, m_id = LATCH_ID_FIL_SYSTEM}}, m_ptr = 0x0}
$2 = {m_impl = {m_lock_word = 0, m_event = 0x559f116f2110, m_policy = {m_count = {m_spins = 0, m_waits = 0, m_calls = 0, m_enabled = false}, m_id = LATCH_ID_RW_LOCK_LIST}}, m_ptr = 0x0}
$3 = {m_set = false, signal_count = 1, mutex = {m_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, cond_var = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}
$4 = {m_set = false, signal_count = 1, mutex = {m_mutex = {__data = {__lock = 0, __count = 0, __owner = 0, __nusers = 0, __kind = 0, __spins = 0, __list = {__prev = 0x0, __next = 0x0}}, __size = '\000' <repeats 39 times>, __align = 0}}, cond_var = {__data = {__lock = 0, __futex = 0, __total_seq = 0, __wakeup_seq = 0, __woken_seq = 0, __mutex = 0x0, __nwaiters = 0, __broadcast_seq = 0}, __size = '\000' <repeats 47 times>, __align = 0}}
[Inferior 1 (process 267387) detached]