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  1. MariaDB Server
  2. MDEV-21266

rpl.rpl_mixed_mixing_engines is extremely slow

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Details

    • Bug
    • Status: Stalled (View Workflow)
    • Major
    • Resolution: Unresolved
    • 10.2(EOL)
    • 10.5
    • Replication, Tests
    • None
    • Ubuntu 18.04.3 LTS (GNU/Linux 4.15.0-48-generic ppc64le)
      Power8

    Description

      Seems to have hit most if not all rpl_mixing_engines tests:

      rpl.rpl_mixed_mixing_engines 'innodb,mix' w27 [ fail ]  timeout after 900 seconds
              Test ended at 2019-12-09 22:56:35
       
      Test case timeout after 900 seconds
       
      == /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/log/rpl_mixed_mixing_engines.log == 
      BEGIN;
      include/show_binlog_events.inc
      -e-e-e-e-e-e-e-e-e-e-e- >> B << -e-e-e-e-e-e-e-e-e-e-e-
      -b-b-b-b-b-b-b-b-b-b-b- >> T-func << -b-b-b-b-b-b-b-b-b-b-b-
      SELECT fc_i_tt_5_suc (141, 2);
      fc_i_tt_5_suc (141, 2)
      fc_i_tt_5_suc
      include/show_binlog_events.inc
      -e-e-e-e-e-e-e-e-e-e-e- >> T-func << -e-e-e-e-e-e-e-e-e-e-e-
      -b-b-b-b-b-b-b-b-b-b-b- >> N << -b-b-b-b-b-b-b-b-b-b-b-
      INSERT INTO nt_1(trans_id, stmt_id) VALUES (141, 4);
      include/show_binlog_events.inc
      Log_name	Pos	Event_type	Server_id	End_log_pos	Info
      master-bin.000001	#	Gtid	#	#	BEGIN GTID #-#-#
      master-bin.000001	#	Query	#	#	use `test`; INSERT INTO nt_1(trans_id, stmt_id) VALUES (141, 4)
      master-bin.000001	#	Query	#	#	COMMIT
      -e-e-e-e-e-e-e-e-e-e-e- >> N << -e-e-e-e-e-e-e-e-e-e-e-
      -b-b-b-b-b-b-b-b-b-b-b- >> C << -b-b-b-b-b-b-b-b-b-b-b-
      COMMIT;
      include/show_binlog_events.inc
       
       == /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/tmp/analyze-timeout-mysqld.2.err ==
      mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/tmp/' (111)
       
       == /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/tmp/analyze-timeout-mysqld.1.err ==
      mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/tmp/' (111)
       
       
       - found 'core' (4/5)
       
      Trying 'dbx' to get a backtrace
       
      Trying 'gdb' to get a backtrace from coredump /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/log/rpl.rpl_mixed_mixing_engines-innodb,mix/mysqld.2/data/core
      Core generated by '/home/dan/build-mariadb-server-bb-10.2-marko/sql/mysqld'
      Output from gdb follows. The first stack trace is from the failing thread.
      The following stack traces are from all threads (so the failing one is
      duplicated).
      --------------------------
      [New LWP 86425]
      [New LWP 86709]
      [New LWP 86694]
      [New LWP 86704]
      [New LWP 86691]
      [New LWP 86714]
      [New LWP 86708]
      [New LWP 86715]
      [New LWP 86716]
      [New LWP 86734]
      [New LWP 86733]
      [New LWP 86737]
      [New LWP 86706]
      [New LWP 86712]
      [New LWP 86711]
      [New LWP 86692]
      [New LWP 86698]
      [New LWP 86696]
      [New LWP 86693]
      [New LWP 87549]
      [New LWP 86695]
      [New LWP 145428]
      [New LWP 87548]
      [New LWP 86736]
      [New LWP 145798]
      [New LWP 145799]
      [New LWP 86713]
      [New LWP 86697]
      [New LWP 86710]
      [New LWP 86705]
      [New LWP 86707]
      [New LWP 87029]
      [New LWP 86717]
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib/powerpc64le-linux-gnu/libthread_db.so.1".
      Core was generated by `/home/dan/build-mariadb-server-bb-10.2-marko/sql/mysqld --defaults-group-suffix'.
      Program terminated with signal SIGABRT, Aborted.
      #0  0x00007f489f0f4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      55	../sysdeps/unix/sysv/linux/pthread_kill.c: No such file or directory.
      [Current thread is 1 (Thread 0x7f489f838c00 (LWP 86425))]
      #0  0x00007f489f0f4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      #1  0x000009fb6a34a918 in my_write_core (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/stacktrace.c:477
      #2  0x000009fb69d1a2f8 in handle_fatal_signal (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00007f489ec34a94 in __GI___poll (fds=0x4, nfds=2, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
      #5  0x00007f489ec64c04 in __poll_chk (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, fdslen=<optimized out>) at poll_chk.c:27
      #6  0x000009fb69a5e040 in poll (__timeout=-1, __nfds=2, __fds=0x7ffff8cb86c0) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:41
      #7  handle_connections_sockets () at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6659
      #8  0x000009fb69a61b58 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6125
      #9  0x000009fb69a3bc78 in main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/main.cc:25
       
      Thread 33 (Thread 0x7f48817af160 (LWP 86717)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x7f48817ae600, cond=0x7f48817ae630) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x7f48817ae630, mutex=0x7f48817ae600) at pthread_cond_wait.c:655
      #3  0x000009fb69f14f7c in inline_mysql_cond_wait (src_file=0x9fb6a446970 "/home/dan/mariadb-server-bb-10.2-marko/storage/innobase/handler/ha_innodb.cc", src_line=328, mutex=0x7f48817ae600, that=0x7f48817ae630) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1149
      #4  thd_destructor_proxy () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/handler/ha_innodb.cc:328
      #5  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d545e48) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 32 (Thread 0x7f4898cf8160 (LWP 87029)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4898cf7548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4898cf7548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, cond=0x9fb6aa08b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6aa08b60 <COND_thread_cache>, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, abstime=0x7f4898cf7548) at pthread_cond_wait.c:667
      #3  0x000009fb69a55718 in inline_mysql_cond_timedwait (src_file=0x9fb6a3ae788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x7f4898cf7548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, that=0x9fb6aa08b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x7f4830000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x7f4830000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x000009fb69c125c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x000009fb69c1296c in handle_one_connection (arg=0x9fb8d8dee98) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d8cdb18) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 31 (Thread 0x7f48917af160 (LWP 86707)):
      #0  0x00007f489f0f9768 in __GI___nanosleep (requested_time=0x204, remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
      #1  0x000009fb69fa7b8c in os_thread_sleep (tm=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0thread.cc:231
      #2  0x000009fb6a040638 in srv_master_sleep () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2414
      #3  srv_master_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2455
      #4  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #5  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 30 (Thread 0x7f488bfff160 (LWP 86705)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f488bffe440, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f488bffe440, mutex=0x9fb8d459900, cond=0x9fb8d459928) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d459928, mutex=0x9fb8d459900, abstime=0x7f488bffe440) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d4598f0, time_in_usec=1000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb6a03df90 in srv_error_monitor_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:1911
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 29 (Thread 0x7f48897af160 (LWP 86710)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d459740, cond=0x9fb8d459768) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d459768, mutex=0x9fb8d459740) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d459730, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a03a7d4 in srv_resume_thread (slot=0x9fb6a9868c0 <srv_sys+192>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x000009fb6a0418d8 in srv_purge_coordinator_suspend (rseg_history_len=4, slot=0x9fb6a9868c0 <srv_sys+192>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2779
      #7  srv_purge_coordinator_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2872
      #8  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #9  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 28 (Thread 0x7f48927cf160 (LWP 86697)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b15d0, cond=0x9fb8d4b15f8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b15f8, mutex=0x9fb8d4b15d0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b15c0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f48927ce4f8, m2=0x7f48927ce4f0, m1=0x7f48927ce4e8, global_segment=5) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=5, m1=0x7f48927ce4e8, m2=0x7f48927ce4f0, request=0x7f48927ce4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 27 (Thread 0x7f48837ef160 (LWP 86713)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d459890, cond=0x9fb8d4598b8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4598b8, mutex=0x9fb8d459890) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d459880, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a03a7d4 in srv_resume_thread (slot=0x9fb6a986968 <srv_sys+360>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x000009fb6a040ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 26 (Thread 0x7f4898178160 (LWP 145799)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d943578, cond=0x9fb8d943a70) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d943a70, mutex=0x9fb8d943578) at pthread_cond_wait.c:655
      #3  0x000009fb69e2c9ac in inline_mysql_cond_wait (src_file=0x9fb6a43f3f8 "/home/dan/mariadb-server-bb-10.2-marko/sql/log.cc", src_line=8329, mutex=0x9fb8d943578, that=0x9fb8d943a70) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1138
      #4  MYSQL_BIN_LOG::wait_for_update_relay_log (this=0x9fb8d943570, thd=0x7f48280008d8) at /home/dan/mariadb-server-bb-10.2-marko/sql/log.cc:8329
      #5  0x000009fb69a7d2c0 in next_event (rgi=0x7f48280180a0, event_size=0x7f4898176b58) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:7195
      #6  0x000009fb69a87368 in exec_relay_log_event (serial_rgi=<optimized out>, rli=<optimized out>, thd=0x7f48280008d8) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:3863
      #7  handle_slave_sql (arg=0x9fb8d941750) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:5159
      #8  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d3dc488) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 25 (Thread 0x7f4898108160 (LWP 145798)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4898106e88, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4898106e88, mutex=0x9fb8d942fc0, cond=0x9fb8d9430c8) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d9430c8, mutex=0x9fb8d942fc0, abstime=0x7f4898106e88) at pthread_cond_wait.c:667
      #3  0x000009fb69a7db1c in inline_mysql_cond_timedwait (src_file=0x9fb6a3b7968 "/home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc", src_line=3258, abstime=0x7f4898106e88, mutex=<optimized out>, that=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  slave_sleep<bool (*)(Master_info*), Master_info*> (thd=0x7f481c0008d8, seconds=<optimized out>, info=0x9fb8d941750, func=0x9fb69a7d760 <io_slave_killed(Master_info*)>) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:3258
      #5  0x000009fb69a7e010 in connect_to_master (thd=0x7f481c0008d8, mysql=0x7f481c088958, mi=0x9fb8d941750, reconnect=true, suppress_warnings=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:6774
      #6  0x000009fb69a7f51c in safe_reconnect (suppress_warnings=true, mi=0x9fb8d941750, mysql=0x7f481c088958, thd=0x7f481c0008d8) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:6816
      #7  try_to_reconnect (thd=0x7f481c0008d8, mysql=0x7f481c088958, mi=0x9fb8d941750, retry_count=0x7f48981073a4, suppress_warnings=<optimized out>, messages=0x9fb6a957958 <reconnect_messages+96>) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:4225
      #8  0x000009fb69a8b590 in handle_slave_io (arg=0x9fb8d941750) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:4499
      #9  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d3dc288) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #10 0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #11 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 24 (Thread 0x7f4898dd8160 (LWP 86736)):
      #0  0x00007f489eb40228 in __GI___sigtimedwait (set=<optimized out>, info=0x7f4898dd7468, timeout=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:42
      #1  0x00007f489f0fa63c in __sigwait (set=0x7f4898dd75c0, sig=0x7f4898dd7570) at ../sysdeps/unix/sysv/linux/sigwait.c:28
      #2  0x000009fb69a53a4c in signal_hand (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3511
      #3  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d8c7848) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #4  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #5  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 23 (Thread 0x7f4898098160 (LWP 87548)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4898097548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4898097548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, cond=0x9fb6aa08b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6aa08b60 <COND_thread_cache>, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, abstime=0x7f4898097548) at pthread_cond_wait.c:667
      #3  0x000009fb69a55718 in inline_mysql_cond_timedwait (src_file=0x9fb6a3ae788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x7f4898097548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, that=0x9fb6aa08b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x7f4820000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x7f4820000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x000009fb69c125c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x000009fb69c1296c in handle_one_connection (arg=0x9fb8d922b48) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d3dbf48) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 22 (Thread 0x7f4890718160 (LWP 145428)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4890717548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4890717548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, cond=0x9fb6aa08b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6aa08b60 <COND_thread_cache>, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, abstime=0x7f4890717548) at pthread_cond_wait.c:667
      #3  0x000009fb69a55718 in inline_mysql_cond_timedwait (src_file=0x9fb6a3ae788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x7f4890717548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, that=0x9fb6aa08b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x7f4818000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x7f4818000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x000009fb69c125c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x000009fb69c1296c in handle_one_connection (arg=0x9fb8d3dc7f8) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d3dca58) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 21 (Thread 0x7f48937ef160 (LWP 86695)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b14f0, cond=0x9fb8d4b1518) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b1518, mutex=0x9fb8d4b14f0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b14e0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f48937ee4f8, m2=0x7f48937ee4f0, m1=0x7f48937ee4e8, global_segment=3) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=3, m1=0x7f48937ee4e8, m2=0x7f48937ee4f0, request=0x7f48937ee4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 20 (Thread 0x7f4890788160 (LWP 87549)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4890787548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4890787548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, cond=0x9fb6aa08b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6aa08b60 <COND_thread_cache>, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, abstime=0x7f4890787548) at pthread_cond_wait.c:667
      #3  0x000009fb69a55718 in inline_mysql_cond_timedwait (src_file=0x9fb6a3ae788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x7f4890787548, mutex=0x9fb6aa065f0 <LOCK_thread_cache>, that=0x9fb6aa08b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x7f4814000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x7f4814000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x000009fb69c125c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x000009fb69c1296c in handle_one_connection (arg=0x9fb8d921bf8) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d3dc488) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 19 (Thread 0x7f4893fff160 (LWP 86693)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b1410, cond=0x9fb8d4b1438) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b1438, mutex=0x9fb8d4b1410) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b1400, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f4893ffe4f8, m2=0x7f4893ffe4f0, m1=0x7f4893ffe4e8, global_segment=1) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=1, m1=0x7f4893ffe4e8, m2=0x7f4893ffe4f0, request=0x7f4893ffe4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 18 (Thread 0x7f4892fdf160 (LWP 86696)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b1560, cond=0x9fb8d4b1588) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b1588, mutex=0x9fb8d4b1560) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b1550, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f4892fde4f8, m2=0x7f4892fde4f0, m1=0x7f4892fde4e8, global_segment=4) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=4, m1=0x7f4892fde4e8, m2=0x7f4892fde4f0, request=0x7f4892fde4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 17 (Thread 0x7f4891fbf160 (LWP 86698)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4891fbe3c0, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4891fbe3c0, mutex=0x9fb8d459a50, cond=0x9fb8d459a78) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d459a78, mutex=0x9fb8d459a50, abstime=0x7f4891fbe3c0) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d459a40, time_in_usec=997000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb6a0f73cc in pc_sleep_if_needed (cur_time=559628134, sig_count=2, next_loop_time=559629131) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0flu.cc:2707
      #6  buf_flush_page_cleaner_coordinator () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0flu.cc:3172
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 16 (Thread 0x7f4898c3f160 (LWP 86692)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b13a0, cond=0x9fb8d4b13c8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b13c8, mutex=0x9fb8d4b13a0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b1390, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f4898c3e4f8, m2=0x7f4898c3e4f0, m1=0x7f4898c3e4e8, global_segment=0) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=0, m1=0x7f4898c3e4e8, m2=0x7f4898c3e4f0, request=0x7f4898c3e4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 15 (Thread 0x7f4888f9f160 (LWP 86711)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4597b0, cond=0x9fb8d4597d8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4597d8, mutex=0x9fb8d4597b0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4597a0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a03a7d4 in srv_resume_thread (slot=0x9fb6a9868f8 <srv_sys+248>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x000009fb6a040ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 14 (Thread 0x7f4883fff160 (LWP 86712)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d459820, cond=0x9fb8d459848) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d459848, mutex=0x9fb8d459820) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d459810, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a03a7d4 in srv_resume_thread (slot=0x9fb6a986930 <srv_sys+304>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x000009fb6a040ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 13 (Thread 0x7f488afdf160 (LWP 86706)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f488afde570, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f488afde570, mutex=0x9fb8d459970, cond=0x9fb8d459998) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d459998, mutex=0x9fb8d459970, abstime=0x7f488afde570) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d459960, time_in_usec=5000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb6a03fa50 in srv_monitor_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:1747
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 12 (Thread 0x7f4898d68160 (LWP 86737)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb6aa06350 <LOCK_slave_background>, cond=0x9fb6aa08b28 <COND_slave_background>) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb6aa08b28 <COND_slave_background>, mutex=0x9fb6aa06350 <LOCK_slave_background>) at pthread_cond_wait.c:655
      #3  0x000009fb69a7edb0 in inline_mysql_cond_wait (src_file=0x9fb6a3b7968 "/home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc", src_line=337, mutex=<optimized out>, that=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1138
      #4  handle_slave_background (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:337
      #5  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d916848) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 11 (Thread 0x7f4863fff160 (LWP 86733)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4863ffe548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4863ffe548, mutex=0x9fb6b2aaeb8 <LOCK_checkpoint>, cond=0x9fb6b2aaee8 <COND_checkpoint>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6b2aaee8 <COND_checkpoint>, mutex=0x9fb6b2aaeb8 <LOCK_checkpoint>, abstime=0x7f4863ffe548) at pthread_cond_wait.c:667
      #3  0x000009fb6a213a1c in inline_mysql_cond_timedwait (src_file=0x9fb6a487230 "/home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_servicethread.c", src_line=116, abstime=<optimized out>, mutex=0x9fb6b2aaeb8 <LOCK_checkpoint>, that=0x9fb6b2aaee8 <COND_checkpoint>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  my_service_thread_sleep (control=0x9fb6a988480 <checkpoint_control>, sleep_time=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_servicethread.c:115
      #5  0x000009fb6a209d20 in ma_checkpoint_background (arg=0x1e) at /home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_checkpoint.c:709
      #6  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d54a4e8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 10 (Thread 0x7f4898e48160 (LWP 86734)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb6aa2ec00 <mysql_bin_log+3096>, cond=0x9fb6aa2ec30 <mysql_bin_log+3144>) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb6aa2ec30 <mysql_bin_log+3144>, mutex=0x9fb6aa2ec00 <mysql_bin_log+3096>) at pthread_cond_wait.c:655
      #3  0x000009fb69e32e94 in inline_mysql_cond_wait (src_file=0x9fb6a43f3f8 "/home/dan/mariadb-server-bb-10.2-marko/sql/log.cc", src_line=9913, mutex=0x9fb6aa2ec00 <mysql_bin_log+3096>, that=0x9fb6aa2ec30 <mysql_bin_log+3144>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1138
      #4  binlog_background_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/log.cc:9912
      #5  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d4135a8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 9 (Thread 0x7f4881fbf160 (LWP 86716)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d459ac0, cond=0x9fb8d459ae8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d459ae8, mutex=0x9fb8d459ac0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d459ab0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a0e4240 in buf_resize_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0buf.cc:3179
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 8 (Thread 0x7f48827cf160 (LWP 86715)):
      #0  0x00007f489f0f9768 in __GI___nanosleep (requested_time=0x204, remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
      #1  0x000009fb69fa7b8c in os_thread_sleep (tm=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0thread.cc:231
      #2  0x000009fb6a0d2f9c in btr_defragment_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/btr/btr0defragment.cc:724
      #3  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #4  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 7 (Thread 0x7f488a7cf160 (LWP 86708)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f488a7ce500, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f488a7ce500, mutex=0x9fb8d579090, cond=0x9fb8d5790b8) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d5790b8, mutex=0x9fb8d579090, abstime=0x7f488a7ce500) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d579080, time_in_usec=10000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb6a149aa4 in dict_stats_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/dict/dict0stats_bg.cc:474
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 6 (Thread 0x7f4882fdf160 (LWP 86714)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4599e0, cond=0x9fb8d459a08) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d459a08, mutex=0x9fb8d4599e0) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4599d0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb6a0ed12c in buf_dump_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0dump.cc:807
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 5 (Thread 0x7f489a6af160 (LWP 86691)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f489a6ae608, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f489a6ae608, mutex=0x9fb6b2baaf8 <LOCK_timer>, cond=0x9fb6b2bab60 <COND_timer>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb6b2bab60 <COND_timer>, mutex=0x9fb6b2baaf8 <LOCK_timer>, abstime=0x7f489a6ae608) at pthread_cond_wait.c:667
      #3  0x000009fb6a350c7c in inline_mysql_cond_timedwait (that=0x9fb6b2bab60 <COND_timer>, mutex=0x9fb6b2baaf8 <LOCK_timer>, src_file=0x9fb6a49ae88 "/home/dan/mariadb-server-bb-10.2-marko/mysys/thr_timer.c", src_line=292, abstime=0x7f489a6ae608) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  timer_handler (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/thr_timer.c:292
      #5  0x000009fb6a2f6ed0 in pfs_spawn_thread (arg=0x9fb8d39a568) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 4 (Thread 0x7f4890f9f160 (LWP 86704)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4890f9e500, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4890f9e500, mutex=0x9fb8d567970, cond=0x9fb8d567998) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d567998, mutex=0x9fb8d567970, abstime=0x7f4890f9e500) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d567960, time_in_usec=1000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb69f7d898 in lock_wait_timeout_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/lock/lock0wait.cc:525
      #6  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 3 (Thread 0x7f488b7ef160 (LWP 86694)):
      #0  0x00007f489f0f2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x9fb8d4b1480, cond=0x9fb8d4b14a8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x9fb8d4b14a8, mutex=0x9fb8d4b1480) at pthread_cond_wait.c:655
      #3  0x000009fb69fa70c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0x9fb8d4b1470, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x000009fb69fa63f4 in os_aio_simulated_handler (type=0x7f488b7ee4f8, m2=0x7f488b7ee4f0, m1=0x7f488b7ee4e8, global_segment=2) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=2, m1=0x7f488b7ee4e8, m2=0x7f488b7ee4f0, request=0x7f488b7ee4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x000009fb6a1534cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x000009fb6a042b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 2 (Thread 0x7f4889fbf160 (LWP 86709)):
      #0  0x00007f489f0f2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x7f4889fbe310, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x7f4889fbe310, mutex=0x9fb8d545020, cond=0x9fb8d545048) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0x9fb8d545048, mutex=0x9fb8d545020, abstime=0x7f4889fbe310) at pthread_cond_wait.c:667
      #3  0x000009fb69fa6efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x000009fb69fa7208 in os_event::wait_time_low (this=0x9fb8d545010, time_in_usec=5000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x000009fb6a099730 in ib_wqueue_timedwait (wq=0x9fb8d3f7530, wait_in_usecs=5000000) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/ut/ut0wqueue.cc:154
      #6  0x000009fb6a19ff9c in fts_optimize_thread (arg=0x9fb8d3f7530) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fts/fts0opt.cc:2835
      #7  0x00007f489f0e885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x00007f489ec49028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 1 (Thread 0x7f489f838c00 (LWP 86425)):
      #0  0x00007f489f0f4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      #1  0x000009fb6a34a918 in my_write_core (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/stacktrace.c:477
      #2  0x000009fb69d1a2f8 in handle_fatal_signal (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00007f489ec34a94 in __GI___poll (fds=0x4, nfds=2, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
      #5  0x00007f489ec64c04 in __poll_chk (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, fdslen=<optimized out>) at poll_chk.c:27
      #6  0x000009fb69a5e040 in poll (__timeout=-1, __nfds=2, __fds=0x7ffff8cb86c0) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:41
      #7  handle_connections_sockets () at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6659
      #8  0x000009fb69a61b58 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6125
      #9  0x000009fb69a3bc78 in main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/main.cc:25
      

      Compressed file /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/log/rpl.rpl_mixed_mixing_engines-innodb,mix/mysqld.2/data/core
       - found 'core' (5/5)
       
      Trying 'dbx' to get a backtrace
       
      Trying 'gdb' to get a backtrace from coredump /home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/log/rpl.rpl_mixed_mixing_engines-innodb,mix/mysqld.1/data/core
      Core generated by '/home/dan/build-mariadb-server-bb-10.2-marko/sql/mysqld'
      Output from gdb follows. The first stack trace is from the failing thread.
      The following stack traces are from all threads (so the failing one is
      duplicated).
      --------------------------
      [New LWP 86479]
      [New LWP 86503]
      [New LWP 86506]
      [New LWP 86507]
      [New LWP 86514]
      [New LWP 86505]
      [New LWP 86499]
      [New LWP 86515]
      [New LWP 86519]
      [New LWP 86504]
      [New LWP 86501]
      [New LWP 86512]
      [New LWP 86496]
      [New LWP 86494]
      [New LWP 87518]
      [New LWP 86511]
      [New LWP 86509]
      [New LWP 87519]
      [New LWP 86500]
      [New LWP 86497]
      [New LWP 86518]
      [New LWP 86510]
      [New LWP 86498]
      [New LWP 86495]
      [New LWP 86513]
      [New LWP 86520]
      [New LWP 87539]
      [New LWP 87332]
      [New LWP 86516]
      [New LWP 87525]
      [New LWP 87935]
      [New LWP 86508]
      [New LWP 86517]
      [New LWP 87537]
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib/powerpc64le-linux-gnu/libthread_db.so.1".
      Core was generated by `/home/dan/build-mariadb-server-bb-10.2-marko/sql/mysqld --defaults-group-suffix'.
      Program terminated with signal SIGABRT, Aborted.
      #0  0x000078ac1eab4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      55	../sysdeps/unix/sysv/linux/pthread_kill.c: No such file or directory.
      [Current thread is 1 (Thread 0x78ac1f1f8c00 (LWP 86479))]
      #0  0x000078ac1eab4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      #1  0x00000cde345da918 in my_write_core (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/stacktrace.c:477
      #2  0x00000cde33faa2f8 in handle_fatal_signal (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x000078ac1e5f4a94 in __GI___poll (fds=0x4, nfds=2, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
      #5  0x000078ac1e624c04 in __poll_chk (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, fdslen=<optimized out>) at poll_chk.c:27
      #6  0x00000cde33cee040 in poll (__timeout=-1, __nfds=2, __fds=0x7fffe6f383f0) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:41
      #7  handle_connections_sockets () at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6659
      #8  0x00000cde33cf1b58 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6125
      #9  0x00000cde33ccbc78 in main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/main.cc:25
       
      Thread 34 (Thread 0x78ac18268160 (LWP 87537)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac18267548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac18267548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac18267548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac18267548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78aba0000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78aba0000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde5148f018) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148f278) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 33 (Thread 0x78abc384f160 (LWP 86517)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78abc384e548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78abc384e548, mutex=0xcde3553aeb8 <LOCK_checkpoint>, cond=0xcde3553aee8 <COND_checkpoint>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde3553aee8 <COND_checkpoint>, mutex=0xcde3553aeb8 <LOCK_checkpoint>, abstime=0x78abc384e548) at pthread_cond_wait.c:667
      #3  0x00000cde344a3a1c in inline_mysql_cond_timedwait (src_file=0xcde34717230 "/home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_servicethread.c", src_line=116, abstime=<optimized out>, mutex=0xcde3553aeb8 <LOCK_checkpoint>, that=0xcde3553aee8 <COND_checkpoint>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  my_service_thread_sleep (control=0xcde34c18480 <checkpoint_control>, sleep_time=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_servicethread.c:115
      #5  0x00000cde34499d20 in ma_checkpoint_background (arg=0x1e) at /home/dan/mariadb-server-bb-10.2-marko/storage/maria/ma_checkpoint.c:709
      #6  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5110a508) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 32 (Thread 0x78ac097af160 (LWP 86508)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac097ae310, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac097ae310, mutex=0xcde51105040, cond=0xcde51105068) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde51105068, mutex=0xcde51105040, abstime=0x78ac097ae310) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde51105030, time_in_usec=5000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde34329730 in ib_wqueue_timedwait (wq=0xcde50fb7570, wait_in_usecs=5000000) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/ut/ut0wqueue.cc:154
      #6  0x00000cde3442ff9c in fts_optimize_thread (arg=0xcde50fb7570) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fts/fts0opt.cc:2835
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 31 (Thread 0x78ac18188160 (LWP 87935)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac18184850, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac18184850, mutex=0xcde34cbe450 <mysql_bin_log+1128>, cond=0xcde34cbe4e8 <mysql_bin_log+1280>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34cbe4e8 <mysql_bin_log+1280>, mutex=0xcde34cbe450 <mysql_bin_log+1128>, abstime=0x78ac18184850) at pthread_cond_wait.c:667
      #3  0x00000cde340bce28 in inline_mysql_cond_timedwait (src_file=0xcde346cf3f8 "/home/dan/mariadb-server-bb-10.2-marko/sql/log.cc", src_line=8379, abstime=0x78ac18184850, mutex=0xcde34cbe450 <mysql_bin_log+1128>, that=0xcde34cbe4e8 <mysql_bin_log+1280>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  MYSQL_BIN_LOG::wait_for_update_binlog_end_pos (this=0xcde34cbdfe8 <mysql_bin_log>, thd=0x78ab98000c08, timeout=0x78ac18184850) at /home/dan/mariadb-server-bb-10.2-marko/sql/log.cc:8378
      #5  0x00000cde33dcac24 in wait_new_events (end_pos_ptr=<synthetic pointer>, binlog_end_pos_filename=0x78ac18185ae0 "./master-bin.000001", linfo=0x78ac18185ce0, info=0x78ac18185f30) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_repl.cc:2421
      #6  get_binlog_end_pos (linfo=0x78ac18185ce0, log=0x78ac18184c10, info=0x78ac18185f30) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_repl.cc:2541
      #7  send_one_binlog_file (start_pos=<optimized out>, linfo=0x78ac18185ce0, log=0x78ac18184c10, info=0x78ac18185f30) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_repl.cc:2701
      #8  mysql_binlog_send (thd=0x78ab98000c08, log_ident=<optimized out>, pos=<optimized out>, flags=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_repl.cc:2838
      #9  0x00000cde33daf718 in dispatch_command (command=<optimized out>, thd=0x78ab98000c08, packet=0x78ab98006ff9 "", packet_length=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_parse.cc:2084
      #10 0x00000cde33db0240 in do_command (thd=0x78ab98000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_parse.cc:1384
      #11 0x00000cde33ea27d4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1336
      #12 0x00000cde33ea296c in handle_one_connection (arg=0xcde5148fb58) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #13 0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148fdb8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #14 0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #15 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 30 (Thread 0x78ac182d8160 (LWP 87525)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac182d7548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac182d7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac182d7548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac182d7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78ab9c000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78ab9c000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde514e1c28) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148ecd8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 29 (Thread 0x78abe8f9f160 (LWP 86516)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0x78abe8f9e600, cond=0x78abe8f9e630) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0x78abe8f9e630, mutex=0x78abe8f9e600) at pthread_cond_wait.c:655
      #3  0x00000cde341a4f7c in inline_mysql_cond_wait (src_file=0xcde346d6970 "/home/dan/mariadb-server-bb-10.2-marko/storage/innobase/handler/ha_innodb.cc", src_line=328, mutex=0x78abe8f9e600, that=0x78abe8f9e630) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1149
      #4  thd_destructor_proxy () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/handler/ha_innodb.cc:328
      #5  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde51105e68) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 28 (Thread 0x78ac186b8160 (LWP 87332)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac186b7548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac186b7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac186b7548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac186b7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78abb0000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78abb0000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde5149ee98) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148db18) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 27 (Thread 0x78ac181f8160 (LWP 87539)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac181f7548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac181f7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac181f7548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac181f7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78ab94000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78ab94000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde5148f5b8) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148f818) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 26 (Thread 0x78ac18728160 (LWP 86520)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde34c96350 <LOCK_slave_background>, cond=0xcde34c98b28 <COND_slave_background>) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde34c98b28 <COND_slave_background>, mutex=0xcde34c96350 <LOCK_slave_background>) at pthread_cond_wait.c:655
      #3  0x00000cde33d0edb0 in inline_mysql_cond_wait (src_file=0xcde34647968 "/home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc", src_line=337, mutex=<optimized out>, that=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1138
      #4  handle_slave_background (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/slave.cc:337
      #5  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde514d6878) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 25 (Thread 0x78abea7cf160 (LWP 86513)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51019a00, cond=0xcde51019a28) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51019a28, mutex=0xcde51019a00) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde510199f0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde3437d12c in buf_dump_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0dump.cc:807
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 24 (Thread 0x78ac13fff160 (LWP 86495)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde510713c0, cond=0xcde510713e8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde510713e8, mutex=0xcde510713c0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde510713b0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac13ffe4f8, m2=0x78ac13ffe4f0, m1=0x78ac13ffe4e8, global_segment=0) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=0, m1=0x78ac13ffe4e8, m2=0x78ac13ffe4f0, request=0x78ac13ffe4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 23 (Thread 0x78ac12fdf160 (LWP 86498)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51071510, cond=0xcde51071538) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51071538, mutex=0xcde51071510) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51071500, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac12fde4f8, m2=0x78ac12fde4f0, m1=0x78ac12fde4e8, global_segment=3) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=3, m1=0x78ac12fde4e8, m2=0x78ac12fde4f0, request=0x78ac12fde4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 22 (Thread 0x78abebfff160 (LWP 86510)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde510197d0, cond=0xcde510197f8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde510197f8, mutex=0xcde510197d0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde510197c0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342ca7d4 in srv_resume_thread (slot=0xcde34c168f8 <srv_sys+248>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x00000cde342d0ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 21 (Thread 0x78ac18808160 (LWP 86518)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde34cbec00 <mysql_bin_log+3096>, cond=0xcde34cbec30 <mysql_bin_log+3144>) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde34cbec30 <mysql_bin_log+3144>, mutex=0xcde34cbec00 <mysql_bin_log+3096>) at pthread_cond_wait.c:655
      #3  0x00000cde340c2e94 in inline_mysql_cond_wait (src_file=0xcde346cf3f8 "/home/dan/mariadb-server-bb-10.2-marko/sql/log.cc", src_line=9913, mutex=0xcde34cbec00 <mysql_bin_log+3096>, that=0xcde34cbec30 <mysql_bin_log+3144>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1138
      #4  binlog_background_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/log.cc:9912
      #5  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde50fd35e8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 20 (Thread 0x78ac0afdf160 (LWP 86497)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde510714a0, cond=0xcde510714c8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde510714c8, mutex=0xcde510714a0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51071490, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac0afde4f8, m2=0x78ac0afde4f0, m1=0x78ac0afde4e8, global_segment=2) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=2, m1=0x78ac0afde4e8, m2=0x78ac0afde4f0, request=0x78ac0afde4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 19 (Thread 0x78ac11fbf160 (LWP 86500)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde510715f0, cond=0xcde51071618) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51071618, mutex=0xcde510715f0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde510715e0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac11fbe4f8, m2=0x78ac11fbe4f0, m1=0x78ac11fbe4e8, global_segment=5) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=5, m1=0x78ac11fbe4e8, m2=0x78ac11fbe4f0, request=0x78ac11fbe4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 18 (Thread 0x78ac18348160 (LWP 87519)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac18347548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac18347548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac18347548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac18347548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78aba8000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78aba8000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde514e2b78) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148e798) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 17 (Thread 0x78ac08f9f160 (LWP 86509)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51019760, cond=0xcde51019788) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51019788, mutex=0xcde51019760) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51019750, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342ca7d4 in srv_resume_thread (slot=0xcde34c168c0 <srv_sys+192>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x00000cde342d18d8 in srv_purge_coordinator_suspend (rseg_history_len=2, slot=0xcde34c168c0 <srv_sys+192>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2779
      #7  srv_purge_coordinator_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2872
      #8  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #9  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 16 (Thread 0x78abeb7ef160 (LWP 86511)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51019840, cond=0xcde51019868) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51019868, mutex=0xcde51019840) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51019830, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342ca7d4 in srv_resume_thread (slot=0xcde34c16930 <srv_sys+304>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x00000cde342d0ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 15 (Thread 0x78ac183b8160 (LWP 87518)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac183b7548, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac183b7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, cond=0xcde34c98b60 <COND_thread_cache>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde34c98b60 <COND_thread_cache>, mutex=0xcde34c965f0 <LOCK_thread_cache>, abstime=0x78ac183b7548) at pthread_cond_wait.c:667
      #3  0x00000cde33ce5718 in inline_mysql_cond_timedwait (src_file=0xcde3463e788 "/home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc", src_line=2974, abstime=0x78ac183b7548, mutex=0xcde34c965f0 <LOCK_thread_cache>, that=0xcde34c98b60 <COND_thread_cache>) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  cache_thread (thd=0x78aba4000c08) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:2973
      #5  one_thread_per_connection_end (thd=0x78aba4000c08, put_in_cache=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3062
      #6  0x00000cde33ea25c4 in do_handle_one_connection (connect=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1355
      #7  0x00000cde33ea296c in handle_one_connection (arg=0xcde514db7e8) at /home/dan/mariadb-server-bb-10.2-marko/sql/sql_connect.cc:1241
      #8  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde5148e258) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 14 (Thread 0x78ac1a06f160 (LWP 86494)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac1a06e608, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac1a06e608, mutex=0xcde3554aaf8 <LOCK_timer>, cond=0xcde3554ab60 <COND_timer>) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde3554ab60 <COND_timer>, mutex=0xcde3554aaf8 <LOCK_timer>, abstime=0x78ac1a06e608) at pthread_cond_wait.c:667
      #3  0x00000cde345e0c7c in inline_mysql_cond_timedwait (that=0xcde3554ab60 <COND_timer>, mutex=0xcde3554aaf8 <LOCK_timer>, src_file=0xcde3472ae88 "/home/dan/mariadb-server-bb-10.2-marko/mysys/thr_timer.c", src_line=292, abstime=0x78ac1a06e608) at /home/dan/mariadb-server-bb-10.2-marko/include/mysql/psi/mysql_thread.h:1175
      #4  timer_handler (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/thr_timer.c:292
      #5  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde50f5a5c8) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 13 (Thread 0x78ac137ef160 (LWP 86496)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51071430, cond=0xcde51071458) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51071458, mutex=0xcde51071430) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51071420, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac137ee4f8, m2=0x78ac137ee4f0, m1=0x78ac137ee4e8, global_segment=1) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=1, m1=0x78ac137ee4e8, m2=0x78ac137ee4f0, request=0x78ac137ee4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 12 (Thread 0x78abeafdf160 (LWP 86512)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde510198b0, cond=0xcde510198d8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde510198d8, mutex=0xcde510198b0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde510198a0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342ca7d4 in srv_resume_thread (slot=0xcde34c16968 <srv_sys+360>, sig_count=<optimized out>, wait=<optimized out>, timeout_usec=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:938
      #6  0x00000cde342d0ef8 in srv_worker_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2618
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 11 (Thread 0x78ac117af160 (LWP 86501)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac117ae3c0, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac117ae3c0, mutex=0xcde51019a70, cond=0xcde51019a98) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde51019a98, mutex=0xcde51019a70, abstime=0x78ac117ae3c0) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde51019a60, time_in_usec=974000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde343873cc in pc_sleep_if_needed (cur_time=559627657, sig_count=2, next_loop_time=559628631) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0flu.cc:2707
      #6  buf_flush_page_cleaner_coordinator () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0flu.cc:3172
      #7  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #8  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 10 (Thread 0x78ac0b7ef160 (LWP 86504)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac0b7ee440, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac0b7ee440, mutex=0xcde51019920, cond=0xcde51019948) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde51019948, mutex=0xcde51019920, abstime=0x78ac0b7ee440) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde51019910, time_in_usec=1000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde342cdf90 in srv_error_monitor_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:1911
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 9 (Thread 0x78ac18798160 (LWP 86519)):
      #0  0x000078ac1e500228 in __GI___sigtimedwait (set=<optimized out>, info=0x78ac18797468, timeout=0x0) at ../sysdeps/unix/sysv/linux/sigtimedwait.c:42
      #1  0x000078ac1eaba63c in __sigwait (set=0x78ac187975c0, sig=0x78ac18797570) at ../sysdeps/unix/sysv/linux/sigwait.c:28
      #2  0x00000cde33ce3a4c in signal_hand (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:3511
      #3  0x00000cde34586ed0 in pfs_spawn_thread (arg=0xcde51487848) at /home/dan/mariadb-server-bb-10.2-marko/storage/perfschema/pfs.cc:1862
      #4  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #5  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 8 (Thread 0x78abe97af160 (LWP 86515)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51019ae0, cond=0xcde51019b08) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde51019b08, mutex=0xcde51019ae0) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51019ad0, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde34374240 in buf_resize_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/buf/buf0buf.cc:3179
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 7 (Thread 0x78ac127cf160 (LWP 86499)):
      #0  0x000078ac1eab2150 in futex_wait_cancelable (private=<optimized out>, expected=0, futex_word=0x200) at ../sysdeps/unix/sysv/linux/futex-internal.h:88
      #1  __pthread_cond_wait_common (abstime=0x0, mutex=0xcde51071580, cond=0xcde510715a8) at pthread_cond_wait.c:502
      #2  __pthread_cond_wait (cond=0xcde510715a8, mutex=0xcde51071580) at pthread_cond_wait.c:655
      #3  0x00000cde342370c8 in os_event::wait (this=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:158
      #4  os_event::wait_low (this=0xcde51071570, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:325
      #5  0x00000cde342363f4 in os_aio_simulated_handler (type=0x78ac127ce4f8, m2=0x78ac127ce4f0, m1=0x78ac127ce4e8, global_segment=4) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:7351
      #6  os_aio_handler (segment=4, m1=0x78ac127ce4e8, m2=0x78ac127ce4f0, request=0x78ac127ce4f8) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0file.cc:5787
      #7  0x00000cde343e34cc in fil_aio_wait (segment=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/fil/fil0fil.cc:5122
      #8  0x00000cde342d2b28 in io_handler_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0start.cc:332
      #9  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #10 0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 6 (Thread 0x78ac0a7cf160 (LWP 86505)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac0a7ce570, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac0a7ce570, mutex=0xcde51019990, cond=0xcde510199b8) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde510199b8, mutex=0xcde51019990, abstime=0x78ac0a7ce570) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde51019980, time_in_usec=5000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde342cfa50 in srv_monitor_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:1747
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 5 (Thread 0x78abe9fbf160 (LWP 86514)):
      #0  0x000078ac1eab9768 in __GI___nanosleep (requested_time=0x204, remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
      #1  0x00000cde34237b8c in os_thread_sleep (tm=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0thread.cc:231
      #2  0x00000cde34362f9c in btr_defragment_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/btr/btr0defragment.cc:724
      #3  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #4  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 4 (Thread 0x78ac09fbf160 (LWP 86507)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac09fbe500, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac09fbe500, mutex=0xcde511390b0, cond=0xcde511390d8) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde511390d8, mutex=0xcde511390b0, abstime=0x78ac09fbe500) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde511390a0, time_in_usec=10000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde343d9aa4 in dict_stats_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/dict/dict0stats_bg.cc:474
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 3 (Thread 0x78ac10f9f160 (LWP 86506)):
      #0  0x000078ac1eab9768 in __GI___nanosleep (requested_time=0x204, remaining=0x0) at ../sysdeps/unix/sysv/linux/nanosleep.c:28
      #1  0x00000cde34237b8c in os_thread_sleep (tm=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0thread.cc:231
      #2  0x00000cde342d0638 in srv_master_sleep () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2414
      #3  srv_master_thread (arg=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/srv/srv0srv.cc:2455
      #4  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #5  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 2 (Thread 0x78ac0bfff160 (LWP 86503)):
      #0  0x000078ac1eab2b94 in futex_abstimed_wait_cancelable (private=<optimized out>, abstime=0x78ac0bffe500, expected=0, futex_word=0x204) at ../sysdeps/unix/sysv/linux/futex-internal.h:205
      #1  __pthread_cond_wait_common (abstime=0x78ac0bffe500, mutex=0xcde51127990, cond=0xcde511279b8) at pthread_cond_wait.c:539
      #2  __pthread_cond_timedwait (cond=0xcde511279b8, mutex=0xcde51127990, abstime=0x78ac0bffe500) at pthread_cond_wait.c:667
      #3  0x00000cde34236efc in os_event::timed_wait (this=<error reading variable: value has been optimized out>, abstime=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:275
      #4  0x00000cde34237208 in os_event::wait_time_low (this=0xcde51127980, time_in_usec=1000000, reset_sig_count=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/os/os0event.cc:385
      #5  0x00000cde3420d898 in lock_wait_timeout_thread () at /home/dan/mariadb-server-bb-10.2-marko/storage/innobase/lock/lock0wait.cc:525
      #6  0x000078ac1eaa885c in start_thread (arg=0x0) at pthread_create.c:463
      #7  0x000078ac1e609028 in clone () at ../sysdeps/unix/sysv/linux/powerpc/powerpc64/clone.S:82
       
      Thread 1 (Thread 0x78ac1f1f8c00 (LWP 86479)):
      #0  0x000078ac1eab4844 in __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../sysdeps/unix/sysv/linux/pthread_kill.c:55
      #1  0x00000cde345da918 in my_write_core (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/mysys/stacktrace.c:477
      #2  0x00000cde33faa2f8 in handle_fatal_signal (sig=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x000078ac1e5f4a94 in __GI___poll (fds=0x4, nfds=2, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:29
      #5  0x000078ac1e624c04 in __poll_chk (fds=<optimized out>, nfds=<optimized out>, timeout=<optimized out>, fdslen=<optimized out>) at poll_chk.c:27
      #6  0x00000cde33cee040 in poll (__timeout=-1, __nfds=2, __fds=0x7fffe6f383f0) at /usr/include/powerpc64le-linux-gnu/bits/poll2.h:41
      #7  handle_connections_sockets () at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6659
      #8  0x00000cde33cf1b58 in mysqld_main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/mysqld.cc:6125
      #9  0x00000cde33ccbc78 in main (argc=<optimized out>, argv=<optimized out>) at /home/dan/mariadb-server-bb-10.2-marko/sql/main.cc:25
       
       - deleting it, already saved 5
       - saving '/home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/27/log/rpl.rpl_mixed_mixing_engines-innodb,mix/' to '/home/dan/build-mariadb-server-bb-10.2-marko/mysql-test/var/log/rpl.rpl_mixed_mixing_engines-innodb,mix/'
      ***Warnings generated in error logs during shutdown after running tests: rpl.rpl_mixed_mixing_engines rpl.rpl_mixed_drop_create_temp_table
      

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              danblack Daniel Black
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