[New LWP 30861] [New LWP 30862] [Thread debugging using libthread_db enabled] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1". 0x00007f5e0e1a2c60 in __GI___nanosleep (requested_time=requested_time@entry=0x7ffd7891b3e0, remaining=remaining@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 Thread 3 (Thread 0x7f5e09428700 (LWP 30862)): #0 0x00007f5e0e1a2f9f in __libc_pread64 (fd=66, buf=0x7f5dfc004000, count=10485760, offset=62914560) at ../sysdeps/unix/sysv/linux/pread64.c:29 #1 0x00005621502e6665 in pread64 (__offset=62914560, __nbytes=10485760, __buf=0x7f5dfc004000, __fd=66) at /usr/include/x86_64-linux-gnu/bits/unistd.h:99 #2 SyncFileIO::execute (request=..., this=) at ./storage/innobase/os/os0file.cc:1606 #3 os_file_io (in_type=..., file=file@entry=66, buf=buf@entry=0x7f5dfc004000, n=n@entry=10485760, offset=offset@entry=62914560, err=err@entry=0x7f5e0942736c) at ./storage/innobase/os/os0file.cc:4932 #4 0x00005621502e712e in os_file_pread (err=0x7f5e0942736c, offset=62914560, n=10485760, buf=0x7f5dfc004000, file=66, type=...) at ./storage/innobase/os/os0file.cc:5102 #5 os_file_read_page (type=..., file=file@entry=66, buf=buf@entry=0x7f5dfc004000, offset=offset@entry=62914560, n=n@entry=10485760, o=o@entry=0x0, exit_on_err=true) at ./storage/innobase/os/os0file.cc:5136 #6 0x00005621502e7322 in os_file_read_func (type=..., file=file@entry=66, buf=buf@entry=0x7f5dfc004000, offset=offset@entry=62914560, n=n@entry=10485760) at ./storage/innobase/os/os0file.cc:5498 #7 0x000056214fd8e94f in pfs_os_file_read_func (src_file=0x562150614228 "/home/buildbot/buildbot/build/mariadb-10.3.22/extra/mariabackup/fil_cur.cc", src_line=443, n=10485760, offset=62914560, buf=0x7f5dfc004000, type=..., file=...) at ./storage/innobase/include/os0file.ic:294 #8 xb_fil_cur_read (cursor=0x7f5e094278b0) at ./extra/mariabackup/fil_cur.cc:442 #9 0x000056214fd8638a in xtrabackup_copy_datafile (node=0x562153345640, thread_n=1, dest_name=, max_size=18446744073709551615) at ./extra/mariabackup/xtrabackup.cc:2582 #10 0x000056214fd866e2 in data_copy_thread_func (arg=0x56215334c8a0) at ./extra/mariabackup/xtrabackup.cc:2913 #11 0x00007f5e0e1986db in start_thread (arg=0x7f5e09428700) at pthread_create.c:463 #12 0x00007f5e0c0d588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 2 (Thread 0x7f5e09c29700 (LWP 30861)): #0 0x00007f5e0e19ef85 in futex_abstimed_wait_cancelable (private=, abstime=0x7f5e09c28da0, expected=0, futex_word=0x56215332a960) at ../sysdeps/unix/sysv/linux/futex-internal.h:205 #1 __pthread_cond_wait_common (abstime=0x7f5e09c28da0, mutex=0x56215332a910, cond=0x56215332a938) at pthread_cond_wait.c:539 #2 __pthread_cond_timedwait (cond=cond@entry=0x56215332a938, mutex=mutex@entry=0x56215332a910, abstime=abstime@entry=0x7f5e09c28da0) at pthread_cond_wait.c:667 #3 0x00005621502ebcc2 in os_event::timed_wait (this=this@entry=0x56215332a900, abstime=abstime@entry=0x7f5e09c28da0) at ./storage/innobase/os/os0event.cc:275 #4 0x00005621502ec311 in os_event::wait_time_low (reset_sig_count=1, time_in_usec=, this=0x56215332a900) at ./storage/innobase/os/os0event.cc:385 #5 os_event_wait_time_low (event=0x56215332a900, time_in_usec=, reset_sig_count=) at ./storage/innobase/os/os0event.cc:485 #6 0x000056214fd7dcc9 in log_copying_thread () at ./extra/mariabackup/xtrabackup.cc:2807 #7 0x00007f5e0e1986db in start_thread (arg=0x7f5e09c29700) at pthread_create.c:463 #8 0x00007f5e0c0d588f in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95 Thread 1 (Thread 0x7f5e0e5c56c0 (LWP 30860)): #0 0x00007f5e0e1a2c60 in __GI___nanosleep (requested_time=requested_time@entry=0x7ffd7891b3e0, remaining=remaining@entry=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28 #1 0x00005621502ec690 in os_thread_sleep (tm=) at ./storage/innobase/os/os0thread.cc:231 #2 0x000056214fd81849 in xtrabackup_backup_func () at ./extra/mariabackup/xtrabackup.cc:4284 #3 main_low (argv=) at ./extra/mariabackup/xtrabackup.cc:6319 #4 0x000056214fd659f5 in main (argc=6, argv=0x7ffd7891c998) at ./extra/mariabackup/xtrabackup.cc:6116