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  1. MariaDB Server
  2. MDEV-24885

galera.galera_concurrent_ctas MTR failed: Crash with SIGABRT

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    Details

    • Type: Bug
    • Status: Open (View Workflow)
    • Priority: Major
    • Resolution: Unresolved
    • Affects Version/s: 10.2.37
    • Fix Version/s: 10.2
    • Component/s: Galera, Tests
    • Labels:
      None
    • Environment:
      kvm-rpm-centos73-ppc64

      Description

      galera.galera_concurrent_ctas failed on BB 10.2 CS: Crash with SIGABRT.
      It seems to be a sporadic issue.

      stdio.log:

      10.2.37, eef4c5d378c3a4bd838d57e2ea35e9e970113204, kvm-rpm-centos73-ppc64

      galera.galera_concurrent_ctas 'innodb'   w2 [ fail ]  timeout after 900 seconds
              Test ended at 2021-02-04 16:44:05
       
      Test case timeout after 900 seconds
       
      == /dev/shm/var/2/log/galera_concurrent_ctas.log == 
       
       == /dev/shm/var/2/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 '/dev/shm/var/tmp/2/mysqld.2.sock' (111)
       
       == /dev/shm/var/2/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 '/dev/shm/var/tmp/2/mysqld.1.sock' (111)
       
       
       - found 'core.4461' (0/0)
       
      Trying 'dbx' to get a backtrace
       
      Trying 'gdb' to get a backtrace from coredump /dev/shm/var/2/log/galera.galera_concurrent_ctas-innodb/mysqld.2/data/core.4461
      Core generated by '/usr/sbin/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 4461]
      [New LWP 4468]
      [New LWP 4642]
      [New LWP 4653]
      [New LWP 4464]
      [New LWP 4463]
      [New LWP 4465]
      [New LWP 4651]
      [New LWP 4467]
      [New LWP 4666]
      [New LWP 4469]
      [New LWP 4665]
      [New LWP 4667]
      [New LWP 4663]
      [New LWP 4656]
      [New LWP 4664]
      [New LWP 4646]
      [New LWP 4660]
      [New LWP 4655]
      [New LWP 4647]
      [New LWP 4659]
      [New LWP 4661]
      [New LWP 4658]
      [New LWP 4648]
      [New LWP 4657]
      [New LWP 4644]
      [New LWP 4654]
      [New LWP 4662]
      [New LWP 4645]
      [New LWP 4652]
      [New LWP 5484]
      [New LWP 4643]
      [New LWP 4670]
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib64/libthread_db.so.1".
      Core was generated by `/usr/sbin/mysqld --defaults-group-suffix=.2 --defaults-file=/dev/shm/var/2/my.c'.
      Program terminated with signal 6, Aborted.
      #0  0x00003fff828d2f60 in .pthread_kill () from /lib64/libpthread.so.0
      #0  0x00003fff828d2f60 in .pthread_kill () from /lib64/libpthread.so.0
      #1  0x000000004a1ef658 in my_write_core (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/stacktrace.c:382
      #2  0x0000000049b33c68 in handle_fatal_signal (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00003fff81fcb830 in .__GI___poll () from /lib64/libc.so.6
      #5  0x00003fff81ffb48c in .__poll_chk () from /lib64/libc.so.6
      #6  0x000000004985fd50 in poll (__timeout=-1, __nfds=2, __fds=0x3fffe6e8d700) at /usr/include/bits/poll2.h:41
      #7  handle_connections_sockets () at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6724
      #8  0x0000000049861aa4 in mysqld_main (argc=158, argv=0x1002b1162d8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6192
      #9  0x0000000049839ee8 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/main.cc:25
       
      Thread 33 (Thread 0x3fff6c418070 (LWP 4670)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff7c907658 in wait (this=0x3fff6c413fa0, cond=...) at /home/buildbot/buildbot/build/galerautils/src/gu_lock.hpp:59
      #2  galera::Monitor<galera::ReplicatorSMM::LocalOrder>::enter (this=0x1002b2946f0, obj=...) at /home/buildbot/buildbot/build/galera/src/monitor.hpp:124
      #3  0x00003fff7c8febc8 in cert (trx=0x3fff0c4e0540, this=0x1002b293b80) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:1747
      #4  galera::ReplicatorSMM::cert_and_catch (this=0x1002b293b80, trx=0x3fff0c4e0540) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:1850
      #5  0x00003fff7c8ff448 in galera::ReplicatorSMM::pre_commit (this=0x1002b293b80, trx=0x3fff0c4e0540, meta=<optimized out>) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:758
      #6  0x00003fff7c8ddddc in galera_pre_commit (gh=<optimized out>, conn_id=214, trx_handle=<optimized out>, flags=<optimized out>, meta=0x3fff0c005d90) at /home/buildbot/buildbot/build/galera/src/wsrep_provider.cpp:518
      #7  0x0000000049aa6b1c in wsrep_run_wsrep_commit (thd=0x3fff0c0009a8, all=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_hton.cc:515
      #8  0x0000000049aa78b8 in wsrep_prepare (hton=<optimized out>, thd=0x3fff0c0009a8, all=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_hton.cc:220
      #9  0x0000000049b38ae4 in prepare_or_error (all=false, thd=0x3fff0c0009a8, ht=0x1002b30b7c8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/handler.cc:1196
      #10 ha_commit_trans (thd=0x3fff0c0009a8, all=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/handler.cc:1475
      #11 0x0000000049a3fe98 in trans_commit_stmt (thd=0x3fff0c0009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/transaction.cc:510
      #12 0x000000004990c7c4 in select_create::send_eof (this=0x3fff0c00fcb0) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_insert.cc:4590
      #13 0x000000004998be4c in JOIN::exec_inner (this=0x3fff0c00fda0) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_select.cc:3529
      #14 0x000000004998c4c8 in JOIN::exec (this=0x3fff0c00fda0) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_select.cc:3437
      #15 0x000000004998c6f0 in mysql_select (thd=0x3fff0c0009a8, tables=<optimized out>, wild_num=<optimized out>, fields=..., conds=0x0, og_num=<optimized out>, order=0x0, group=<optimized out>, having=0x0, proc_param=0x0, select_options=2416184064, result=0x3fff0c00fcb0, unit=0x3fff0c0043e0, select_lex=0x3fff0c004b20) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_select.cc:3837
      #16 0x000000004998d030 in handle_select (thd=0x3fff0c0009a8, lex=0x3fff0c004320, result=0x3fff0c00fcb0, setup_tables_done_option=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_select.cc:373
      #17 0x00000000499ce034 in Sql_cmd_create_table::execute (this=<optimized out>, thd=0x3fff0c0009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_table.cc:10949
      #18 0x0000000049929428 in mysql_execute_command (thd=0x3fff0c0009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:5994
      #19 0x000000004992e65c in mysql_parse (thd=0x3fff0c0009a8, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:7763
      #20 0x00000000498196d0 in wsrep_mysql_parse (thd=0x3fff0c0009a8, rawbuf=0x3fff0c00f1f8 "CREATE table t1 as SELECT SLEEP(0)", length=<optimized out>, parser_state=0x3fff6c416bb0, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:7556
      #21 0x0000000049931724 in dispatch_command (command=<optimized out>, thd=0x3fff0c0009a8, packet=<optimized out>, packet_length=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:1825
      #22 0x0000000049931c44 in do_command (thd=0x3fff0c0009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:1382
      #23 0x0000000049a2b6c8 in do_handle_one_connection (connect=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1336
      #24 0x0000000049a2b804 in handle_one_connection (arg=0x1002b808da8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1241
      #25 0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #26 0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #27 0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 32 (Thread 0x3fff577cf070 (LWP 4643)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff577ce280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff577ce280, m1=m1@entry=0x3fff577ce3d0, m2=m2@entry=0x3fff577ce3e0, request=request@entry=0x3fff577ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff577ce3f0, m2=0x3fff577ce3e0, m1=0x3fff577ce3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff577ce3d0, m2=0x3fff577ce3e0, request=0x3fff577ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 31 (Thread 0x3fff6c3b8070 (LWP 5484)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x00000000498560e4 in inline_mysql_cond_timedwait (src_file=0x4a286960 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/mysqld.cc", src_line=3021, abstime=0x3fff6c3b73d8, mutex=0x4a9a62c0 <LOCK_thread_cache>, that=0x4a9a8820 <COND_thread_cache>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  cache_thread (thd=0x3ffef80009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3020
      #3  one_thread_per_connection_end (thd=0x3ffef80009a8, put_in_cache=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3109
      #4  0x0000000049a2b5ac in do_handle_one_connection (connect=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1355
      #5  0x0000000049a2b804 in handle_one_connection (arg=0x1002b7f13b8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1241
      #6  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #7  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 30 (Thread 0x3fff4efff070 (LWP 4652)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b33d290, abstime=abstime@entry=0x3fff4effe370) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b33d290, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049ea079c in srv_error_monitor_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:1912
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 29 (Thread 0x3fff567cf070 (LWP 4645)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff567ce280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff567ce280, m1=m1@entry=0x3fff567ce3d0, m2=m2@entry=0x3fff567ce3e0, request=request@entry=0x3fff567ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff567ce3f0, m2=0x3fff567ce3e0, m1=0x3fff567ce3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff567ce3d0, m2=0x3fff567ce3e0, request=0x3fff567ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 28 (Thread 0x3fff467ff070 (LWP 4662)):
      #0  0x00003fff828d6bf4 in .__libc_nanosleep () from /lib64/libpthread.so.0
      #1  0x0000000049e007ec in os_thread_sleep (tm=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0thread.cc:231
      #2  0x0000000049f3ccec in btr_defragment_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/btr/btr0defragment.cc:722
      #3  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 27 (Thread 0x3fff4dfff070 (LWP 4654)):
      #0  0x00003fff828d6bf4 in .__libc_nanosleep () from /lib64/libpthread.so.0
      #1  0x0000000049e007ec in os_thread_sleep (tm=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0thread.cc:231
      #2  0x0000000049ea22e8 in srv_master_sleep () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2419
      #3  srv_master_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2459
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 26 (Thread 0x3fff56fcf070 (LWP 4644)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff56fce280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff56fce280, m1=m1@entry=0x3fff56fce3d0, m2=m2@entry=0x3fff56fce3e0, request=request@entry=0x3fff56fce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff56fce3f0, m2=0x3fff56fce3e0, m1=0x3fff56fce3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff56fce3d0, m2=0x3fff56fce3e0, request=0x3fff56fce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 25 (Thread 0x3fff4c7ff070 (LWP 4657)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d0d0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d0d0, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049ea4e30 in srv_resume_thread (timeout_usec=0, wait=true, sig_count=671, slot=0x4a8c6bc0 <srv_sys+192>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2778
      #6  srv_purge_coordinator_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2865
      #7  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 24 (Thread 0x3fff54fcf070 (LWP 4648)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b33d3e0, abstime=abstime@entry=0x3fff54fce2d0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b33d3e0, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049f61d64 in pc_sleep_if_needed (cur_time=1087270, sig_count=1008, next_loop_time=1088270) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0flu.cc:2683
      #4  buf_flush_page_cleaner_coordinator () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0flu.cc:3149
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 23 (Thread 0x3fff47fff070 (LWP 4658)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d1b0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d1b0, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049ea2d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x4a8c6c30 <srv_sys+304>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 22 (Thread 0x3fff4ffff070 (LWP 4661)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d370) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d370, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049f593b8 in buf_dump_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0dump.cc:806
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 21 (Thread 0x3fff477ff070 (LWP 4659)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d220) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d220, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049ea2d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x4a8c6c68 <srv_sys+360>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 20 (Thread 0x3fff557cf070 (LWP 4647)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff557ce280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff557ce280, m1=m1@entry=0x3fff557ce3d0, m2=m2@entry=0x3fff557ce3e0, request=request@entry=0x3fff557ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff557ce3f0, m2=0x3fff557ce3e0, m1=0x3fff557ce3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff557ce3d0, m2=0x3fff557ce3e0, request=0x3fff557ce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 19 (Thread 0x3fff4d7ff070 (LWP 4655)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b465660, abstime=abstime@entry=0x3fff4d7fe410) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b465660, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049fb45e4 in dict_stats_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/dict/dict0stats_bg.cc:475
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 18 (Thread 0x3fff46fff070 (LWP 4660)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d140) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d140, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049ea2d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x4a8c6bf8 <srv_sys+248>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 17 (Thread 0x3fff55fcf070 (LWP 4646)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff55fce280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff55fce280, m1=m1@entry=0x3fff55fce3d0, m2=m2@entry=0x3fff55fce3e0, request=request@entry=0x3fff55fce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff55fce3f0, m2=0x3fff55fce3e0, m1=0x3fff55fce3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff55fce3d0, m2=0x3fff55fce3e0, request=0x3fff55fce3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 16 (Thread 0x3fff457ff070 (LWP 4664)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049d65f9c in thd_destructor_proxy () at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1156
      #2  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #3  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 15 (Thread 0x3fff4cfff070 (LWP 4656)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b4b0360, abstime=abstime@entry=0x3fff4cffe1d0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b4b0360, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049efe18c in ib_wqueue_timedwait (wq=0x1002b4b0230, wait_in_usecs=5000000) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/ut/ut0wqueue.cc:156
      #4  0x000000004a00edd8 in fts_optimize_thread (arg=0x1002b4b0230) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fts/fts0opt.cc:2829
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 14 (Thread 0x3fff45fff070 (LWP 4663)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049e003c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x1002b33d450) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x1002b33d450, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000049f4fd30 in buf_resize_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0buf.cc:3109
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 13 (Thread 0x3fff6c478070 (LWP 4667)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x000000004991cf4c in inline_mysql_cond_wait (that=0x4a9a9fc0 <COND_manager>, mutex=0x4a9a9ff8 <LOCK_manager>, src_file=0x4a297910 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/sql_manager.cc", src_line=102) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1145
      #2  handle_manager (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_manager.cc:102
      #3  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 12 (Thread 0x3fff44fff070 (LWP 4665)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x000000004a091fac in inline_mysql_cond_timedwait (src_file=0x4a38fe18 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/storage/maria/ma_servicethread.c", src_line=116, abstime=<optimized out>, mutex=0x4b24c220 <LOCK_checkpoint>, that=0x4b24c258 <COND_checkpoint>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  my_service_thread_sleep (control=0x4a8c87c8 <checkpoint_control>, sleep_time=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/maria/ma_servicethread.c:115
      #3  0x000000004a0863b4 in ma_checkpoint_background (arg=0x1e) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/maria/ma_checkpoint.c:709
      #4  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 11 (Thread 0x3fff7c6b8070 (LWP 4469)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049a36dac in inline_mysql_cond_wait (src_file=0x4a2a9ad8 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/mdl.cc", src_line=1087, mutex=0x3fff58000ac8, that=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1145
      #2  MDL_wait::timed_wait (this=0x3fff58000ac8, owner=0x3fff58000a78, abs_timeout=0x3fff7c6b36f0, set_status_on_timeout=<optimized out>, wait_state_name=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mdl.cc:1087
      #3  0x0000000049a38d10 in MDL_context::acquire_lock (this=0x3fff58000ac8, mdl_request=0x3fff5800b230, lock_wait_timeout=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mdl.cc:2138
      #4  0x0000000049a3999c in MDL_context::acquire_locks (this=0x3fff58000ac8, mdl_requests=<optimized out>, lock_wait_timeout=86400) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mdl.cc:2258
      #5  0x00000000498cc744 in lock_table_names (thd=0x3fff580009a8, options=..., tables_start=0x3fff5800ade0, tables_end=<optimized out>, lock_wait_timeout=86400, flags=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_base.cc:3831
      #6  0x00000000498ce958 in open_tables (thd=0x3fff580009a8, options=..., start=0x3fff7c6b3dd0, counter=0x3fff7c6b3d50, flags=<optimized out>, prelocking_strategy=0x3fff7c6b3e20) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_base.cc:4051
      #7  0x00000000498cef14 in open_and_lock_tables (thd=<optimized out>, options=..., tables=<error reading variable: value has been optimized out>, derived=<optimized out>, flags=<optimized out>, prelocking_strategy=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_base.cc:4880
      #8  0x00000000499cd064 in open_and_lock_tables (flags=0, derived=false, tables=<optimized out>, options=..., thd=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_base.h:500
      #9  mysql_create_table (thd=<optimized out>, create_table=<optimized out>, create_info=0x3fff7c6b3fb0, alter_info=0x3fff7c6b3f08) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_table.cc:5108
      #10 0x00000000499cde2c in Sql_cmd_create_table::execute (this=<optimized out>, thd=0x3fff580009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_table.cc:10984
      #11 0x0000000049929428 in mysql_execute_command (thd=0x3fff580009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:5994
      #12 0x000000004992e65c in mysql_parse (thd=0x3fff580009a8, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:7763
      #13 0x0000000049c9a304 in Query_log_event::do_apply_event (this=0x3fff5806da88, rgi=0x3fff5801b3c0, query_arg=0x3fff5806a2d3 "CREATE TABLE `t1` (\n  `SLEEP(0)` bigint(21) NOT NULL\n)", q_len_arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/log_event.cc:5355
      #14 0x0000000049c9b450 in Query_log_event::do_apply_event (this=<optimized out>, rgi=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/log_event.cc:5035
      #15 0x0000000049abb594 in apply_event (rgi=0x3fff5801b3c0, this=0x3fff5806da88) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/log_event.h:1454
      #16 wsrep_apply_events (buf_len=132, events_buf=0x3fff700576b0, thd=0x3fff580009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_applier.cc:164
      #17 wsrep_apply_cb (ctx=0x3fff580009a8, buf=0x3fff700576b0, buf_len=254, flags=<optimized out>, meta=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_applier.cc:267
      #18 0x00003fff7c8f2ee0 in galera::TrxHandle::apply (this=0x3fff58060cf0, recv_ctx=0x3fff580009a8, apply_cb=@0x4a95b108: 0x49abb170 <wsrep_apply_cb(void*, void const*, size_t, uint32_t, wsrep_trx_meta_t const*)>, meta=...) at /home/buildbot/buildbot/build/galera/src/trx_handle.cpp:317
      #19 0x00003fff7c8f8fc8 in apply_trx_ws (recv_ctx=recv_ctx@entry=0x3fff580009a8, apply_cb=@0x4a95b108: 0x49abb170 <wsrep_apply_cb(void*, void const*, size_t, uint32_t, wsrep_trx_meta_t const*)>, commit_cb=@0x4a95b118: 0x49abbb30 <wsrep_commit_cb(void*, uint32_t, wsrep_trx_meta_t const*, wsrep_bool_t*, bool)>, trx=..., meta=...) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:34
      #20 0x00003fff7c8fc618 in galera::ReplicatorSMM::apply_trx (this=0x1002b293b80, recv_ctx=0x3fff580009a8, trx=0x3fff58060cf0) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:454
      #21 0x00003fff7c900130 in galera::ReplicatorSMM::process_trx (this=0x1002b293b80, recv_ctx=0x3fff580009a8, trx=0x3fff58060cf0) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:1258
      #22 0x00003fff7c92d6d4 in galera::GcsActionSource::dispatch (this=0x1002b294218, recv_ctx=0x3fff580009a8, act=..., exit_loop=@0x3fff7c6b71b0: false) at /home/buildbot/buildbot/build/galera/src/gcs_action_source.cpp:115
      #23 0x00003fff7c92edd8 in galera::GcsActionSource::process (this=0x1002b294218, recv_ctx=0x3fff580009a8, exit_loop=@0x3fff7c6b71b0: false) at /home/buildbot/buildbot/build/galera/src/gcs_action_source.cpp:180
      #24 0x00003fff7c9008dc in galera::ReplicatorSMM::async_recv (this=0x1002b293b80, recv_ctx=0x3fff580009a8) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:362
      #25 0x00003fff7c8dc90c in galera_recv (gh=<optimized out>, recv_ctx=<optimized out>) at /home/buildbot/buildbot/build/galera/src/wsrep_provider.cpp:244
      #26 0x0000000049abcf60 in wsrep_replication_process (thd=0x3fff580009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_thd.cc:486
      #27 0x0000000049aab734 in start_wsrep_THD (arg=0x1002b2ea928) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:2173
      #28 0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #29 0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #30 0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 10 (Thread 0x3fff6c4d8070 (LWP 4666)):
      #0  0x00003fff828d7708 in .__libc_sigwait () from /lib64/libpthread.so.0
      #1  0x0000000049853c7c in signal_hand (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3557
      #2  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #3  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 9 (Thread 0x3fff6d7bf070 (LWP 4467)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff7c96e438 in wait (this=0x3fff6d7be0e0, cond=...) at /home/buildbot/buildbot/build/galerautils/src/gu_lock.hpp:59
      #2  front (timeout=..., this=0x1002b2ca7f8) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:114
      #3  gcomm_recv (backend=<optimized out>, msg=0x1002b29a7d0, timeout=<optimized out>) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:608
      #4  0x00003fff7c962c88 in core_msg_recv (timeout=9223372035999999999, recv_msg=0x1002b29a7d0, backend=0x1002b29a8f8) at /home/buildbot/buildbot/build/gcs/src/gcs_core.cpp:469
      #5  gcs_core_recv (conn=0x1002b29a770, recv_act=0x3fff6d7be510, timeout=9223372035999999999) at /home/buildbot/buildbot/build/gcs/src/gcs_core.cpp:1102
      #6  0x00003fff7c95cd74 in gcs_recv_thread (arg=0x1002b29a590) at /home/buildbot/buildbot/build/gcs/src/gcs.cpp:1277
      #7  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 8 (Thread 0x3fff4f7ff070 (LWP 4651)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b453790, abstime=abstime@entry=0x3fff4f7fe3e0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b453790, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049dcba84 in lock_wait_timeout_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/lock/lock0wait.cc:525
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 7 (Thread 0x3fff6dfbf070 (LWP 4465)):
      #0  0x00003fff81fdba4c in .epoll_wait () from /lib64/libc.so.6
      #1  0x00003fff7c9399a8 in asio::detail::epoll_reactor::run (this=0x1002b2cabe0, block=<optimized out>, ops=...) at /home/buildbot/buildbot/build/asio/asio/detail/impl/epoll_reactor.ipp:391
      #2  0x00003fff7c93c590 in do_run_one (ec=..., this_thread=..., lock=..., this=<optimized out>) at /home/buildbot/buildbot/build/asio/asio/detail/impl/task_io_service.ipp:355
      #3  asio::detail::task_io_service::run (this=0x1002b2c9cc0, ec=...) at /home/buildbot/buildbot/build/asio/asio/detail/impl/task_io_service.ipp:148
      #4  0x00003fff7c98cf94 in run (this=<optimized out>) at /home/buildbot/buildbot/build/asio/asio/impl/io_service.ipp:58
      #5  gcomm::AsioProtonet::event_loop (this=0x1002b2c9e00, period=...) at /home/buildbot/buildbot/build/gcomm/src/asio_protonet.cpp:116
      #6  0x00003fff7c971184 in GCommConn::run (this=0x1002b2ca670) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:433
      #7  0x00003fff7c979530 in GCommConn::run_fn (arg=<optimized out>) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:174
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 6 (Thread 0x3fff7d32f070 (LWP 4463)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x000000004a1f6118 in inline_mysql_cond_timedwait (that=0x4b25be90 <COND_timer>, mutex=0x4b25be28 <LOCK_timer>, src_file=0x4a3a4b88 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/mysys/thr_timer.c", src_line=292, abstime=0x3fff7d32e4e8) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  timer_handler (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/thr_timer.c:292
      #3  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 5 (Thread 0x3fff6ffef070 (LWP 4464)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff7c927188 in wait (this=0x3fff6ffee4e0, cond=...) at /home/buildbot/buildbot/build/galerautils/src/gu_lock.hpp:59
      #2  galera::ServiceThd::thd_func (arg=0x1002b2940e0) at /home/buildbot/buildbot/build/galera/src/galera_service_thd.cpp:30
      #3  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 4 (Thread 0x3fff4e7ff070 (LWP 4653)):
      #0  0x00003fff828d1bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000049dffb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1002b33d300, abstime=abstime@entry=0x3fff4e7fe470) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000049dffe18 in os_event::wait_time_low (this=0x1002b33d300, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000049e9fd40 in srv_monitor_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:1748
      #4  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 3 (Thread 0x3fff6cfbf070 (LWP 4642)):
      #0  0x00003fff82830998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff828309f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000049df3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff6cfbe280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000049dfabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff6cfbe280, m1=m1@entry=0x3fff6cfbe3d0, m2=m2@entry=0x3fff6cfbe3e0, request=request@entry=0x3fff6cfbe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000049dfebe8 in os_aio_linux_handler (request=0x3fff6cfbe3f0, m2=0x3fff6cfbe3e0, m1=0x3fff6cfbe3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff6cfbe3d0, m2=0x3fff6cfbe3e0, request=0x3fff6cfbe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000049fc0378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000049ea5da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 2 (Thread 0x3fff7c718070 (LWP 4468)):
      #0  0x00003fff828d17f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000049abd4a0 in inline_mysql_cond_wait (src_file=0x4a2be548 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/wsrep_thd.cc", src_line=632, mutex=<optimized out>, that=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1145
      #2  wsrep_rollback_process (thd=0x3fff640009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_thd.cc:632
      #3  0x0000000049aab734 in start_wsrep_THD (arg=0x1002b2eb338) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:2173
      #4  0x000000004a18d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #5  0x00003fff828cc2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff81fdb304 in .__clone () from /lib64/libc.so.6
       
      Thread 1 (Thread 0x3fff817a0470 (LWP 4461)):
      #0  0x00003fff828d2f60 in .pthread_kill () from /lib64/libpthread.so.0
      #1  0x000000004a1ef658 in my_write_core (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/stacktrace.c:382
      #2  0x0000000049b33c68 in handle_fatal_signal (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00003fff81fcb830 in .__GI___poll () from /lib64/libc.so.6
      #5  0x00003fff81ffb48c in .__poll_chk () from /lib64/libc.so.6
      #6  0x000000004985fd50 in poll (__timeout=-1, __nfds=2, __fds=0x3fffe6e8d700) at /usr/include/bits/poll2.h:41
      #7  handle_connections_sockets () at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6724
      #8  0x0000000049861aa4 in mysqld_main (argc=158, argv=0x1002b1162d8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6192
      #9  0x0000000049839ee8 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/main.cc:25
       
       - deleting it, already saved 0
       - found 'core.4424' (0/0)
       
      Trying 'dbx' to get a backtrace
       
      Trying 'gdb' to get a backtrace from coredump /dev/shm/var/2/log/galera.galera_concurrent_ctas-innodb/mysqld.1/data/core.4424
      Core generated by '/usr/sbin/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 4424]
      [New LWP 4426]
      [New LWP 4453]
      [New LWP 4452]
      [New LWP 4450]
      [New LWP 4434]
      [New LWP 4451]
      [New LWP 4446]
      [New LWP 4435]
      [New LWP 4449]
      [New LWP 4439]
      [New LWP 4443]
      [New LWP 4440]
      [New LWP 4447]
      [New LWP 4430]
      [New LWP 4441]
      [New LWP 4437]
      [New LWP 4444]
      [New LWP 4428]
      [New LWP 4442]
      [New LWP 4433]
      [New LWP 4445]
      [New LWP 4436]
      [New LWP 4455]
      [New LWP 4432]
      [New LWP 4448]
      [New LWP 4454]
      [New LWP 4427]
      [New LWP 4431]
      [New LWP 4677]
      [New LWP 5161]
      [New LWP 4429]
      [New LWP 4425]
      [New LWP 4458]
      [Thread debugging using libthread_db enabled]
      Using host libthread_db library "/lib64/libthread_db.so.1".
      Core was generated by `/usr/sbin/mysqld --defaults-group-suffix=.1 --defaults-file=/dev/shm/var/2/my.c'.
      Program terminated with signal 6, Aborted.
      #0  0x00003fff7c462f60 in .pthread_kill () from /lib64/libpthread.so.0
      #0  0x00003fff7c462f60 in .pthread_kill () from /lib64/libpthread.so.0
      #1  0x000000005a0af658 in my_write_core (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/stacktrace.c:382
      #2  0x00000000599f3c68 in handle_fatal_signal (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00003fff7bb5b830 in .__GI___poll () from /lib64/libc.so.6
      #5  0x00003fff7bb8b48c in .__poll_chk () from /lib64/libc.so.6
      #6  0x000000005971fd50 in poll (__timeout=-1, __nfds=2, __fds=0x3fffec87c6c0) at /usr/include/bits/poll2.h:41
      #7  handle_connections_sockets () at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6724
      #8  0x0000000059721aa4 in mysqld_main (argc=157, argv=0x100140f62d8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6192
      #9  0x00000000596f9ee8 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/main.cc:25
       
      Thread 34 (Thread 0x3fff6d5a8070 (LWP 4458)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x00000000597160e4 in inline_mysql_cond_timedwait (src_file=0x5a146960 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/mysqld.cc", src_line=3021, abstime=0x3fff6d5a73d8, mutex=0x5a8662c0 <LOCK_thread_cache>, that=0x5a868820 <COND_thread_cache>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  cache_thread (thd=0x3fff0c0009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3020
      #3  one_thread_per_connection_end (thd=0x3fff0c0009a8, put_in_cache=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3109
      #4  0x00000000598eb5ac in do_handle_one_connection (connect=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1355
      #5  0x00000000598eb804 in handle_one_connection (arg=0x100147f7748) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1241
      #6  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #7  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 33 (Thread 0x3fff76ebf070 (LWP 4425)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x000000005a0b6118 in inline_mysql_cond_timedwait (that=0x5b11be90 <COND_timer>, mutex=0x5b11be28 <LOCK_timer>, src_file=0x5a264b88 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/mysys/thr_timer.c", src_line=292, abstime=0x3fff76ebe4e8) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  timer_handler (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/thr_timer.c:292
      #3  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 32 (Thread 0x3fff74078070 (LWP 4429)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x000000005997d4a0 in inline_mysql_cond_wait (src_file=0x5a17e548 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/wsrep_thd.cc", src_line=632, mutex=<optimized out>, that=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1145
      #2  wsrep_rollback_process (thd=0x3fff640009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_thd.cc:632
      #3  0x000000005996b734 in start_wsrep_THD (arg=0x100142a8f88) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:2173
      #4  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 31 (Thread 0x3fff6c248070 (LWP 5161)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x00000000597160e4 in inline_mysql_cond_timedwait (src_file=0x5a146960 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/mysqld.cc", src_line=3021, abstime=0x3fff6c2473d8, mutex=0x5a8662c0 <LOCK_thread_cache>, that=0x5a868820 <COND_thread_cache>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  cache_thread (thd=0x3fff000009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3020
      #3  one_thread_per_connection_end (thd=0x3fff000009a8, put_in_cache=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3109
      #4  0x00000000598eb5ac in do_handle_one_connection (connect=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1355
      #5  0x00000000598eb804 in handle_one_connection (arg=0x100147f7748) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1241
      #6  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #7  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 30 (Thread 0x3fff6d548070 (LWP 4677)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff764eaa38 in _gcs_sm_enqueue_common (block=true, tail=<optimized out>, cond=0x3fff6d5447a8, sm=0x3fff758a0010) at /home/buildbot/buildbot/build/gcs/src/gcs_sm.hpp:222
      #2  gcs_sm_enter (block=true, scheduled=<optimized out>, cond=0x3fff6d5447a8, sm=0x3fff758a0010) at /home/buildbot/buildbot/build/gcs/src/gcs_sm.hpp:363
      #3  gcs_replv (conn=0x1001427a5d0, act_in=0x3fff6d544ba0, act=0x3fff6d544cd0, scheduled=<optimized out>) at /home/buildbot/buildbot/build/gcs/src/gcs.cpp:1652
      #4  0x00003fff7648e318 in replv (scheduled=true, act=..., actv=..., this=0x100142740d0) at /home/buildbot/buildbot/build/galera/src/galera_gcs.hpp:137
      #5  galera::ReplicatorSMM::replicate (this=0x10014273b80, trx=0x3fff0429a820, meta=0x3fff04005cb0) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:582
      #6  0x00003fff7646f80c in galera_to_execute_start (gh=<optimized out>, conn_id=261, keys=<optimized out>, keys_num=<optimized out>, data=<optimized out>, count=1, meta=0x3fff04005cb0) at /home/buildbot/buildbot/build/galera/src/wsrep_provider.cpp:723
      #7  0x000000005996ed44 in wsrep_TOI_begin (alter_info=<optimized out>, table_list=<optimized out>, table_=<optimized out>, db_=0x0, thd=0x3fff040008c8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:1714
      #8  wsrep_to_isolation_begin (thd=0x3fff040008c8, db_=0x0, table_=<optimized out>, table_list=<optimized out>, alter_info=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:1913
      #9  0x00000000597ed890 in mysql_execute_command (thd=0x3fff040008c8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:4526
      #10 0x00000000597ee65c in mysql_parse (thd=0x3fff040008c8, rawbuf=<optimized out>, length=<optimized out>, parser_state=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:7763
      #11 0x00000000596d96d0 in wsrep_mysql_parse (thd=thd@entry=0x3fff040008c8, rawbuf=0x3fff0400f940 "DROP table t1", length=<optimized out>, parser_state=parser_state@entry=0x3fff6d546bb0, is_com_multi=is_com_multi@entry=false, is_next_command=is_next_command@entry=false) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:7556
      #12 0x00000000597f1724 in dispatch_command (command=<optimized out>, thd=0x3fff040008c8, packet=<optimized out>, packet_length=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:1825
      #13 0x00000000597f1c44 in do_command (thd=0x3fff040008c8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_parse.cc:1382
      #14 0x00000000598eb6c8 in do_handle_one_connection (connect=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1336
      #15 0x00000000598eb804 in handle_one_connection (arg=0x100147f7748) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_connect.cc:1241
      #16 0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #17 0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #18 0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 29 (Thread 0x3fff6d48f070 (LWP 4431)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff6d48e280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff6d48e280, m1=m1@entry=0x3fff6d48e3d0, m2=m2@entry=0x3fff6d48e3e0, request=request@entry=0x3fff6d48e3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff6d48e3f0, m2=0x3fff6d48e3e0, m1=0x3fff6d48e3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff6d48e3d0, m2=0x3fff6d48e3e0, request=0x3fff6d48e3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 28 (Thread 0x3fff6f7ef070 (LWP 4427)):
      #0  0x00003fff7bb6ba4c in .epoll_wait () from /lib64/libc.so.6
      #1  0x00003fff764c99a8 in asio::detail::epoll_reactor::run (this=0x100142aac20, block=<optimized out>, ops=...) at /home/buildbot/buildbot/build/asio/asio/detail/impl/epoll_reactor.ipp:391
      #2  0x00003fff764cc590 in do_run_one (ec=..., this_thread=..., lock=..., this=<optimized out>) at /home/buildbot/buildbot/build/asio/asio/detail/impl/task_io_service.ipp:355
      #3  asio::detail::task_io_service::run (this=0x100142a9bf0, ec=...) at /home/buildbot/buildbot/build/asio/asio/detail/impl/task_io_service.ipp:148
      #4  0x00003fff7651cf94 in run (this=<optimized out>) at /home/buildbot/buildbot/build/asio/asio/impl/io_service.ipp:58
      #5  gcomm::AsioProtonet::event_loop (this=0x100142a9ec0, period=...) at /home/buildbot/buildbot/build/gcomm/src/asio_protonet.cpp:116
      #6  0x00003fff76501184 in GCommConn::run (this=0x100142aa6b0) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:433
      #7  0x00003fff76509530 in GCommConn::run_fn (arg=<optimized out>) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:174
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 27 (Thread 0x3fff6d668070 (LWP 4454)):
      #0  0x00003fff7c467708 in .__libc_sigwait () from /lib64/libpthread.so.0
      #1  0x0000000059713c7c in signal_hand (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:3557
      #2  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #3  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 26 (Thread 0x3fff50fff070 (LWP 4448)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x10014314560) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x10014314560, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059d62d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x5a786c68 <srv_sys+360>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 25 (Thread 0x3fff6cc8f070 (LWP 4432)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff6cc8e280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff6cc8e280, m1=m1@entry=0x3fff6cc8e3d0, m2=m2@entry=0x3fff6cc8e3e0, request=request@entry=0x3fff6cc8e3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff6cc8e3f0, m2=0x3fff6cc8e3e0, m1=0x3fff6cc8e3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff6cc8e3d0, m2=0x3fff6cc8e3e0, request=0x3fff6cc8e3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 24 (Thread 0x3fff6d608070 (LWP 4455)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00000000597dcf4c in inline_mysql_cond_wait (that=0x5a869fc0 <COND_manager>, mutex=0x5a869ff8 <LOCK_manager>, src_file=0x5a157910 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/sql/sql_manager.cc", src_line=102) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1145
      #2  handle_manager (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/sql_manager.cc:102
      #3  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 23 (Thread 0x3fff5e7ff070 (LWP 4436)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff5e7fe280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff5e7fe280, m1=m1@entry=0x3fff5e7fe3d0, m2=m2@entry=0x3fff5e7fe3e0, request=request@entry=0x3fff5e7fe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff5e7fe3f0, m2=0x3fff5e7fe3e0, m1=0x3fff5e7fe3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff5e7fe3d0, m2=0x3fff5e7fe3e0, request=0x3fff5e7fe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 22 (Thread 0x3fff527ff070 (LWP 4445)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x10014314410) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x10014314410, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059d64e30 in srv_resume_thread (timeout_usec=0, wait=true, sig_count=730, slot=0x5a786bc0 <srv_sys+192>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_purge_coordinator_suspend (rseg_history_len=<optimized out>, slot=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2778
      #6  srv_purge_coordinator_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2865
      #7  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 21 (Thread 0x3fff5ffff070 (LWP 4433)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff5fffe280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff5fffe280, m1=m1@entry=0x3fff5fffe3d0, m2=m2@entry=0x3fff5fffe3e0, request=request@entry=0x3fff5fffe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff5fffe3f0, m2=0x3fff5fffe3e0, m1=0x3fff5fffe3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff5fffe3d0, m2=0x3fff5fffe3e0, request=0x3fff5fffe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 20 (Thread 0x3fff5d7ff070 (LWP 4442)):
      #0  0x00003fff7c466bf4 in .__libc_nanosleep () from /lib64/libpthread.so.0
      #1  0x0000000059cc07ec in os_thread_sleep (tm=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0thread.cc:231
      #2  0x0000000059d622e8 in srv_master_sleep () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2419
      #3  srv_master_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2459
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 19 (Thread 0x3fff6efef070 (LWP 4428)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff764fe438 in wait (this=0x3fff6efee0e0, cond=...) at /home/buildbot/buildbot/build/galerautils/src/gu_lock.hpp:59
      #2  front (timeout=..., this=0x100142aa838) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:114
      #3  gcomm_recv (backend=<optimized out>, msg=0x1001427a810, timeout=<optimized out>) at /home/buildbot/buildbot/build/gcs/src/gcs_gcomm.cpp:608
      #4  0x00003fff764f2c88 in core_msg_recv (timeout=9223372035999999999, recv_msg=0x1001427a810, backend=0x1001427a938) at /home/buildbot/buildbot/build/gcs/src/gcs_core.cpp:469
      #5  gcs_core_recv (conn=0x1001427a7b0, recv_act=0x3fff6efee510, timeout=9223372035999999999) at /home/buildbot/buildbot/build/gcs/src/gcs_core.cpp:1102
      #6  0x00003fff764ecd74 in gcs_recv_thread (arg=0x1001427a5d0) at /home/buildbot/buildbot/build/gcs/src/gcs.cpp:1277
      #7  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #8  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 18 (Thread 0x3fff52fff070 (LWP 4444)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x10014487d00, abstime=abstime@entry=0x3fff52ffe1d0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x10014487d00, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059dbe18c in ib_wqueue_timedwait (wq=0x10014487bd0, wait_in_usecs=5000000) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/ut/ut0wqueue.cc:156
      #4  0x0000000059ecedd8 in fts_optimize_thread (arg=0x10014487bd0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fts/fts0opt.cc:2829
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 17 (Thread 0x3fff5dfff070 (LWP 4437)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x10014314720, abstime=abstime@entry=0x3fff5dffe2d0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x10014314720, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059e21d64 in pc_sleep_if_needed (cur_time=1083290, sig_count=988, next_loop_time=1084290) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0flu.cc:2683
      #4  buf_flush_page_cleaner_coordinator () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0flu.cc:3149
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 16 (Thread 0x3fff53fff070 (LWP 4441)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x10014314640, abstime=abstime@entry=0x3fff53ffe470) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x10014314640, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059d5fd40 in srv_monitor_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:1748
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 15 (Thread 0x3fff6e7e8070 (LWP 4430)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff76625190 in fifo_lock_get (q=0x3fff759b0010) at /home/buildbot/buildbot/build/galerautils/src/gu_fifo.c:262
      #2  gu_fifo_get_head (q=0x3fff759b0010, err=0x3fff6e7e6e40) at /home/buildbot/buildbot/build/galerautils/src/gu_fifo.c:330
      #3  0x00003fff764eb564 in gcs_recv (conn=0x1001427a5d0, action=0x3fff6e7e6f60) at /home/buildbot/buildbot/build/gcs/src/gcs.cpp:1881
      #4  0x00003fff764943c4 in galera::Gcs::recv (this=<optimized out>, act=...) at /home/buildbot/buildbot/build/galera/src/galera_gcs.hpp:119
      #5  0x00003fff764bed7c in galera::GcsActionSource::process (this=0x10014274218, recv_ctx=0x3fff580009a8, exit_loop=<optimized out>) at /home/buildbot/buildbot/build/galera/src/gcs_action_source.cpp:174
      #6  0x00003fff764908dc in galera::ReplicatorSMM::async_recv (this=0x10014273b80, recv_ctx=0x3fff580009a8) at /home/buildbot/buildbot/build/galera/src/replicator_smm.cpp:362
      #7  0x00003fff7646c90c in galera_recv (gh=<optimized out>, recv_ctx=<optimized out>) at /home/buildbot/buildbot/build/galera/src/wsrep_provider.cpp:244
      #8  0x000000005997cf60 in wsrep_replication_process (thd=0x3fff580009a8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_thd.cc:486
      #9  0x000000005996b734 in start_wsrep_THD (arg=0x100142b9148) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/wsrep_mysqld.cc:2173
      #10 0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #11 0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #12 0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 14 (Thread 0x3fff517ff070 (LWP 4447)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x100143144f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x100143144f0, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059d62d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x5a786c30 <srv_sys+304>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 13 (Thread 0x3fff5c7ff070 (LWP 4440)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x100143145d0, abstime=abstime@entry=0x3fff5c7fe370) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x100143145d0, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059d6079c in srv_error_monitor_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:1912
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 12 (Thread 0x3fff537ff070 (LWP 4443)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1001443cc40, abstime=abstime@entry=0x3fff537fe410) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x1001443cc40, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059e745e4 in dict_stats_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/dict/dict0stats_bg.cc:475
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 11 (Thread 0x3fff5cfff070 (LWP 4439)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059cbfb48 in os_event::timed_wait (this=<optimized out>, this@entry=0x1001442aad0, abstime=abstime@entry=0x3fff5cffe3e0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:275
      #2  0x0000000059cbfe18 in os_event::wait_time_low (this=0x1001442aad0, time_in_usec=<optimized out>, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:385
      #3  0x0000000059c8ba84 in lock_wait_timeout_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/lock/lock0wait.cc:525
      #4  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #5  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 10 (Thread 0x3fff507ff070 (LWP 4449)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x100143146b0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x100143146b0, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059e193b8 in buf_dump_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0dump.cc:806
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 9 (Thread 0x3fff5efff070 (LWP 4435)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff5effe280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff5effe280, m1=m1@entry=0x3fff5effe3d0, m2=m2@entry=0x3fff5effe3e0, request=request@entry=0x3fff5effe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff5effe3f0, m2=0x3fff5effe3e0, m1=0x3fff5effe3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff5effe3d0, m2=0x3fff5effe3e0, request=0x3fff5effe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 8 (Thread 0x3fff51fff070 (LWP 4446)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x10014314480) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x10014314480, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059d62d78 in srv_resume_thread (sig_count=0, timeout_usec=0, wait=true, slot=0x5a786bf8 <srv_sys+248>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:937
      #5  srv_worker_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0srv.cc:2617
      #6  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #7  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 7 (Thread 0x3fff477ff070 (LWP 4451)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059cc03c8 in wait (this=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:158
      #2  wait_low (reset_sig_count=<optimized out>, this=0x10014314790) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:325
      #3  os_event_wait_low (event=0x10014314790, reset_sig_count=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0event.cc:507
      #4  0x0000000059e0fd30 in buf_resize_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/buf/buf0buf.cc:3109
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 6 (Thread 0x3fff5f7ff070 (LWP 4434)):
      #0  0x00003fff7c3c0998 in .__io_getevents_0_4 () from /lib64/libaio.so.1
      #1  0x00003fff7c3c09f8 in .io_getevents () from /lib64/libaio.so.1
      #2  0x0000000059cb3500 in LinuxAIOHandler::collect (this=this@entry=0x3fff5f7fe280) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:1936
      #3  0x0000000059cbabb0 in LinuxAIOHandler::poll (this=this@entry=0x3fff5f7fe280, m1=m1@entry=0x3fff5f7fe3d0, m2=m2@entry=0x3fff5f7fe3e0, request=request@entry=0x3fff5f7fe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2097
      #4  0x0000000059cbebe8 in os_aio_linux_handler (request=0x3fff5f7fe3f0, m2=0x3fff5f7fe3e0, m1=0x3fff5f7fe3d0, global_segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:2151
      #5  os_aio_handler (segment=<optimized out>, m1=0x3fff5f7fe3d0, m2=0x3fff5f7fe3e0, request=0x3fff5f7fe3f0) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0file.cc:5784
      #6  0x0000000059e80378 in fil_aio_wait (segment=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/fil/fil0fil.cc:5115
      #7  0x0000000059d65da8 in io_handler_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/srv/srv0start.cc:332
      #8  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #9  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 5 (Thread 0x3fff47fff070 (LWP 4450)):
      #0  0x00003fff7c466bf4 in .__libc_nanosleep () from /lib64/libpthread.so.0
      #1  0x0000000059cc07ec in os_thread_sleep (tm=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/os/os0thread.cc:231
      #2  0x0000000059dfccec in btr_defragment_thread () at /usr/src/debug/MariaDB-10.2.37/src_0/storage/innobase/btr/btr0defragment.cc:722
      #3  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 4 (Thread 0x3fff46fff070 (LWP 4452)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x0000000059c25f9c in thd_destructor_proxy () at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1156
      #2  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #3  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 3 (Thread 0x3fff4604f070 (LWP 4453)):
      #0  0x00003fff7c461bd4 in .pthread_cond_timedwait () from /lib64/libpthread.so.0
      #1  0x0000000059f51fac in inline_mysql_cond_timedwait (src_file=0x5a24fe18 "/home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.2.37/storage/maria/ma_servicethread.c", src_line=116, abstime=<optimized out>, mutex=0x5b10c220 <LOCK_checkpoint>, that=0x5b10c258 <COND_checkpoint>) at /usr/src/debug/MariaDB-10.2.37/src_0/include/mysql/psi/mysql_thread.h:1182
      #2  my_service_thread_sleep (control=0x5a7887c8 <checkpoint_control>, sleep_time=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/maria/ma_servicethread.c:115
      #3  0x0000000059f463b4 in ma_checkpoint_background (arg=0x1e) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/maria/ma_checkpoint.c:709
      #4  0x000000005a04d82c in pfs_spawn_thread (arg=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/storage/perfschema/pfs.cc:1869
      #5  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #6  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 2 (Thread 0x3fff7589f070 (LWP 4426)):
      #0  0x00003fff7c4617f0 in .pthread_cond_wait () from /lib64/libpthread.so.0
      #1  0x00003fff764b7188 in wait (this=0x3fff7589e4e0, cond=...) at /home/buildbot/buildbot/build/galerautils/src/gu_lock.hpp:59
      #2  galera::ServiceThd::thd_func (arg=0x100142740e0) at /home/buildbot/buildbot/build/galera/src/galera_service_thd.cpp:30
      #3  0x00003fff7c45c2bc in .start_thread () from /lib64/libpthread.so.0
      #4  0x00003fff7bb6b304 in .__clone () from /lib64/libc.so.6
       
      Thread 1 (Thread 0x3fff7b330470 (LWP 4424)):
      #0  0x00003fff7c462f60 in .pthread_kill () from /lib64/libpthread.so.0
      #1  0x000000005a0af658 in my_write_core (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/mysys/stacktrace.c:382
      #2  0x00000000599f3c68 in handle_fatal_signal (sig=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/signal_handler.cc:343
      #3  <signal handler called>
      #4  0x00003fff7bb5b830 in .__GI___poll () from /lib64/libc.so.6
      #5  0x00003fff7bb8b48c in .__poll_chk () from /lib64/libc.so.6
      #6  0x000000005971fd50 in poll (__timeout=-1, __nfds=2, __fds=0x3fffec87c6c0) at /usr/include/bits/poll2.h:41
      #7  handle_connections_sockets () at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6724
      #8  0x0000000059721aa4 in mysqld_main (argc=157, argv=0x100140f62d8) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/mysqld.cc:6192
      #9  0x00000000596f9ee8 in main (argc=<optimized out>, argv=<optimized out>) at /usr/src/debug/MariaDB-10.2.37/src_0/sql/main.cc:25
       
       - deleting it, already saved 0
       - saving '/dev/shm/var/2/log/galera.galera_concurrent_ctas-innodb/' to '/dev/shm/var/log/galera.galera_concurrent_ctas-innodb/'
      

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              Assignee:
              jplindst Jan Lindström
              Reporter:
              stepan.patryshev Stepan Patryshev (Inactive)
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                Created:
                Updated:

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