Feb 01 11:56:26 hamsandwich mysqld[863]: 200201 11:56:26 [ERROR] mysqld got signal 11 ; Feb 01 11:56:26 hamsandwich mysqld[863]: This could be because you hit a bug. It is also possible that this binary Feb 01 11:56:26 hamsandwich mysqld[863]: or one of the libraries it was linked against is corrupt, improperly built, Feb 01 11:56:26 hamsandwich mysqld[863]: or misconfigured. This error can also be caused by malfunctioning hardware. Feb 01 11:56:26 hamsandwich mysqld[863]: To report this bug, see https://mariadb.com/kb/en/reporting-bugs Feb 01 11:56:26 hamsandwich mysqld[863]: We will try our best to scrape up some info that will hopefully help Feb 01 11:56:26 hamsandwich mysqld[863]: diagnose the problem, but since we have already crashed, Feb 01 11:56:26 hamsandwich mysqld[863]: something is definitely wrong and this may fail. Feb 01 11:56:26 hamsandwich mysqld[863]: Server version: 10.4.12-MariaDB Feb 01 11:56:26 hamsandwich mysqld[863]: key_buffer_size=134217728 Feb 01 11:56:26 hamsandwich mysqld[863]: read_buffer_size=131072 Feb 01 11:56:26 hamsandwich mysqld[863]: max_used_connections=15 Feb 01 11:56:26 hamsandwich mysqld[863]: max_threads=153 Feb 01 11:56:26 hamsandwich mysqld[863]: thread_count=21 Feb 01 11:56:26 hamsandwich mysqld[863]: It is possible that mysqld could use up to Feb 01 11:56:26 hamsandwich mysqld[863]: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467756 K bytes of memory Feb 01 11:56:26 hamsandwich mysqld[863]: Hope that's ok; if not, decrease some variables in the equation. Feb 01 11:56:26 hamsandwich mysqld[863]: Thread pointer: 0x7fa047217a48 Feb 01 11:56:26 hamsandwich mysqld[863]: Attempting backtrace. You can use the following information to find out Feb 01 11:56:26 hamsandwich mysqld[863]: where mysqld died. If you see no messages after this, something went Feb 01 11:56:26 hamsandwich mysqld[863]: terribly wrong... Feb 01 11:56:26 hamsandwich mysqld[863]: stack_bottom = 0x7fa05a1615b8 thread_stack 0x49000 Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(my_print_stacktrace+0x2a)[0x5623f00dd65a] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(handle_fatal_signal+0x578)[0x5623efbf16e8] Feb 01 11:56:26 hamsandwich mysqld[863]: sigaction.c:0(__restore_rt)[0x7fa0850e1930] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z7sortcmpPK6StringS1_PK15charset_info_st+0xe)[0x5623efa724ee] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZNK26Type_handler_string_result13Item_const_eqEPK10Item_constS2_b+0xc7)[0x5623efb2fa37] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN4Item15eq_by_collationEPS_bPK15charset_info_st+0x62)[0x5623efc136a2] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN9Item_cond14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM+0x279)[0x5623efa199a9] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN13Item_cond_and14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM+0x4a)[0x5623efa196ea] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(+0x6a88cb)[0x5623efa1a8cb] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN4JOIN14optimize_innerEv+0x1e24)[0x5623efa4aeb4] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN4JOIN8optimizeEv+0x94)[0x5623efa4cef4] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex+0xe4)[0x5623efa4d094] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x154)[0x5623efa4dbb4] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(+0x66c93c)[0x5623ef9de93c] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z21mysql_execute_commandP3THD+0x7866)[0x5623ef9edf96] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN18Prepared_statement7executeEP6Stringb+0x400)[0x5623efa03ce0] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_ZN18Prepared_statement12execute_loopEP6StringbPhS2_+0x84)[0x5623efa03e94] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(+0x692a7e)[0x5623efa04a7e] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z19mysqld_stmt_executeP3THDPcj+0x22)[0x5623efa04b22] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0xc7b)[0x5623ef9f221b] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z10do_commandP3THD+0x151)[0x5623ef9f5021] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x1c6)[0x5623efad9296] Feb 01 11:56:26 hamsandwich mysqld[863]: /usr/bin/mysqld(handle_one_connection+0x33)[0x5623efad93d3] Feb 01 11:56:26 hamsandwich mysqld[863]: pthread_create.c:0(start_thread)[0x7fa0850d64cf] Feb 01 11:56:26 hamsandwich mysqld[863]: :0(__GI___clone)[0x7fa0848ac2d3] Feb 01 11:56:26 hamsandwich mysqld[863]: Trying to get some variables. Feb 01 11:56:26 hamsandwich mysqld[863]: Some pointers may be invalid and cause the dump to abort. Feb 01 11:56:26 hamsandwich mysqld[863]: Query (0x7fa0472790a8): SELECT recordid, category, (category = ?) AS catmatch, (category = ?) AS typematch FROM record WHERE type = ? AND (category = ? OR category = ? OR category = 'Default') ORDER BY catmatch DESC, typematch DESC Feb 01 11:56:26 hamsandwich mysqld[863]: Connection ID (thread ID): 26 Feb 01 11:56:26 hamsandwich mysqld[863]: Status: NOT_KILLED Feb 01 11:56:26 hamsandwich mysqld[863]: Optimizer switch: index_merge=on,index_merge_union=on,index_merge_sort_union=on,index_merge_intersection=on,index_merge_sort_intersection=off,engine_condition_pushdown=off,index_condition_pushdown=on,derived_merge=on,derived_with_keys=on,firstmatch=on,loosescan=on,materialization=on,in_to_exists=on,semijoin=on,partial_match_rowid_merge=on,partial_match_table_scan=on,subquery_cache=on,mrr=off,mrr_cost_based=off,mrr_sort_keys=off,outer_join_with_cache=on,semijoin_with_cache=on,join_cache_incremental=on,join_cache_hashed=on,join_cache_bka=on,optimize_join_buffer_size=on,table_elimination=on,extended_keys=on,exists_to_in=on,orderby_uses_equalities=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on,rowid_filter=on,condition_pushdown_from_having=on Feb 01 11:56:26 hamsandwich mysqld[863]: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains Feb 01 11:56:26 hamsandwich mysqld[863]: information that should help you find out what is causing the crash. Feb 01 11:56:26 hamsandwich mysqld[863]: Writing a core file... Feb 01 11:56:26 hamsandwich mysqld[863]: Working directory at /var/lib/mysql Feb 01 11:56:26 hamsandwich mysqld[863]: Resource Limits: Feb 01 11:56:26 hamsandwich mysqld[863]: Limit Soft Limit Hard Limit Units Feb 01 11:56:26 hamsandwich mysqld[863]: Max cpu time unlimited unlimited seconds Feb 01 11:56:26 hamsandwich mysqld[863]: Max file size unlimited unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max data size unlimited unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max stack size 8388608 unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max core file size unlimited unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max resident set unlimited unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max processes 31536 31536 processes Feb 01 11:56:26 hamsandwich mysqld[863]: Max open files 16364 16364 files Feb 01 11:56:26 hamsandwich mysqld[863]: Max locked memory 65536 65536 bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max address space unlimited unlimited bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max file locks unlimited unlimited locks Feb 01 11:56:26 hamsandwich mysqld[863]: Max pending signals 31536 31536 signals Feb 01 11:56:26 hamsandwich kernel: mysqld[1009]: segfault at 8 ip 00005623efa724ee sp 00007fa05a15e1b8 error 4 in mysqld[5623ef8c5000+8ab000] Feb 01 11:56:26 hamsandwich kernel: Code: 48 03 2b 48 89 ee 67 e8 d0 76 6b 00 48 29 e8 01 43 08 48 83 c4 08 5b 5d c3 0f 1f 00 48 89 f8 48 89 d7 48 8b 4e 08 44 8b 46 10 <4c> 8b 48 08 8b 50 10 48 8b 87 b0 00 00 00 4c 89 ce 48 8b 40 10 ff Feb 01 11:56:26 hamsandwich kernel: audit: type=1701 audit(1580583386.670:180): auid=4294967295 uid=990 gid=990 ses=4294967295 pid=863 comm="mysqld" exe="/usr/bin/mysqld" sig=11 res=1 Feb 01 11:56:26 hamsandwich kernel: audit: type=1701 audit(1580583386.670:179): auid=4294967295 uid=990 gid=990 ses=4294967295 pid=863 comm="mysqld" exe="/usr/bin/mysqld" sig=11 res=1 Feb 01 11:56:26 hamsandwich audit[863]: ANOM_ABEND auid=4294967295 uid=990 gid=990 ses=4294967295 pid=863 comm="mysqld" exe="/usr/bin/mysqld" sig=11 res=1 Feb 01 11:56:26 hamsandwich audit[863]: ANOM_ABEND auid=4294967295 uid=990 gid=990 ses=4294967295 pid=863 comm="mysqld" exe="/usr/bin/mysqld" sig=11 res=1 Feb 01 11:56:26 hamsandwich mysqld[863]: Max msgqueue size 819200 819200 bytes Feb 01 11:56:26 hamsandwich mysqld[863]: Max nice priority 0 0 Feb 01 11:56:26 hamsandwich mysqld[863]: Max realtime priority 0 0 Feb 01 11:56:26 hamsandwich mysqld[863]: Max realtime timeout unlimited unlimited us Feb 01 11:56:26 hamsandwich mysqld[863]: Core pattern: |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h Feb 01 11:56:26 hamsandwich systemd[1]: Created slice system-systemd\x2dcoredump.slice. -- Subject: A start job for unit system-systemd\x2dcoredump.slice has finished successfully -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- A start job for unit system-systemd\x2dcoredump.slice has finished successfully. -- -- The job identifier is 1150. Feb 01 11:56:26 hamsandwich systemd[1]: Started Process Core Dump (PID 1016/UID 0). -- Subject: A start job for unit systemd-coredump@0-1016-0.service has finished successfully -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- A start job for unit systemd-coredump@0-1016-0.service has finished successfully. -- -- The job identifier is 1134. Feb 01 11:56:26 hamsandwich audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@0-1016-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 01 11:56:26 hamsandwich kernel: audit: type=1130 audit(1580583386.693:181): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=systemd-coredump@0-1016-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Feb 01 11:56:28 hamsandwich systemd[1]: mariadb.service: Main process exited, code=killed, status=11/SEGV -- Subject: Unit process exited -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- An ExecStart= process belonging to unit mariadb.service has exited. -- -- The process' exit code is 'killed' and its exit status is 11. Feb 01 11:56:28 hamsandwich audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=mariadb comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed' Feb 01 11:56:28 hamsandwich systemd[1]: mariadb.service: Failed with result 'signal'. -- Subject: Unit failed -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- The unit mariadb.service has entered the 'failed' state with result 'signal'. Feb 01 11:56:28 hamsandwich kernel: audit: type=1131 audit(1580583388.990:182): pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=mariadb comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=failed' Feb 01 11:56:30 hamsandwich systemd-coredump[1017]: Process 863 (mysqld) of user 990 dumped core. Stack trace of thread 1009: #0 0x00005623efa724ee _Z7sortcmpPK6StringS1_PK15charset_info_st (mysqld + 0x7004ee) #1 0x00005623efb2fa37 _ZNK26Type_handler_string_result13Item_const_eqEPK10Item_constS2_b (mysqld + 0x7bda37) #2 0x00005623efc136a2 _ZN4Item15eq_by_collationEPS_bPK15charset_info_st (mysqld + 0x8a16a2) #3 0x00005623efa199a9 _ZN9Item_cond14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM (mysqld + 0x6a79a9) #4 0x00005623efa196ea _ZN13Item_cond_and14add_key_fieldsEP4JOINPP9KEY_FIELDPjyPP14SARGABLE_PARAM (mysqld + 0x6a76ea) #5 0x00005623efa1a8cb n/a (mysqld + 0x6a88cb) #6 0x00005623efa4aeb4 _ZN4JOIN14optimize_innerEv (mysqld + 0x6d8eb4) #7 0x00005623efa4cef4 _ZN4JOIN8optimizeEv (mysqld + 0x6daef4) #8 0x00005623efa4d094 _Z12mysql_selectP3THDP10TABLE_LISTjR4ListI4ItemEPS4_jP8st_orderS9_S7_S9_yP13select_resultP18st_select_lex_unitP13st_select_lex (mysqld + 0x6db094) #9 0x00005623efa4dbb4 _Z13handle_selectP3THDP3LEXP13select_resultm (mysqld + 0x6dbbb4) #10 0x00005623ef9de93c n/a (mysqld + 0x66c93c) #11 0x00005623ef9edf96 _Z21mysql_execute_commandP3THD (mysqld + 0x67bf96) #12 0x00005623efa03ce0 _ZN18Prepared_statement7executeEP6Stringb (mysqld + 0x691ce0) #13 0x00005623efa03e94 _ZN18Prepared_statement12execute_loopEP6StringbPhS2_ (mysqld + 0x691e94) #14 0x00005623efa04a7e n/a (mysqld + 0x692a7e) #15 0x00005623efa04b22 _Z19mysqld_stmt_executeP3THDPcj (mysqld + 0x692b22) #16 0x00005623ef9f221b _Z16dispatch_command19enum_server_commandP3THDPcjbb (mysqld + 0x68021b) #17 0x00005623ef9f5021 _Z10do_commandP3THD (mysqld + 0x683021) #18 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #19 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #20 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #21 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 886: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623efe8a5ae n/a (mysqld + 0xb185ae) #3 0x00005623efe8fc14 n/a (mysqld + 0xb1dc14) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 972: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 890: #0 0x00007fa0850e0d65 __nanosleep (libpthread.so.0 + 0x13d65) #1 0x00005623efe11e4d n/a (mysqld + 0xa9fe4d) #2 0x00005623efef5f8b n/a (mysqld + 0xb83f8b) #3 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #4 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 867: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 996: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 893: #0 0x00007fa0847e9d12 __sigtimedwait (libc.so.6 + 0x3cd12) #1 0x00005623ef92be2d signal_hand (mysqld + 0x5b9e2d) #2 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #3 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 869: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 870: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 883: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623efec49d8 n/a (mysqld + 0xb529d8) #4 0x00005623eff943b0 n/a (mysqld + 0xc223b0) #5 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #6 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 866: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623effed9a2 n/a (mysqld + 0xc7b9a2) #2 0x00005623effe6abb n/a (mysqld + 0xc74abb) #3 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #4 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 884: #0 0x00007fa0850e0d65 __nanosleep (libpthread.so.0 + 0x13d65) #1 0x00005623efe11e4d n/a (mysqld + 0xa9fe4d) #2 0x00005623efe8eafb n/a (mysqld + 0xb1cafb) #3 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #4 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 868: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 935: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 863: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623ef93538c _Z26handle_connections_socketsv (mysqld + 0x5c338c) #2 0x00005623ef93636e _Z11mysqld_mainiPPc (mysqld + 0x5c436e) #3 0x00007fa0847d4153 __libc_start_main (libc.so.6 + 0x27153) #4 0x00005623ef929c2e _start (mysqld + 0x5b7c2e) Stack trace of thread 885: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623efe8a5ae n/a (mysqld + 0xb185ae) #3 0x00005623efe8f386 n/a (mysqld + 0xb1d386) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 887: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623efe8a5ae n/a (mysqld + 0xb185ae) #3 0x00005623efe8fc14 n/a (mysqld + 0xb1dc14) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 982: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 872: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 871: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 891: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623eff04fea n/a (mysqld + 0xb92fea) #3 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #4 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 874: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 983: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 877: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623ef8fb99d n/a (mysqld + 0x58999d) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 876: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 902: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 875: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 873: #0 0x00007fa0848a6e9d syscall (libc.so.6 + 0xf9e9d) #1 0x00007fa085146187 n/a (libaio.so.1 + 0x1187) #2 0x00005623efe0dae0 n/a (mysqld + 0xa9bae0) #3 0x00005623efe0dfd1 n/a (mysqld + 0xa9bfd1) #4 0x00005623efe105d3 n/a (mysqld + 0xa9e5d3) #5 0x00005623eff56f68 n/a (mysqld + 0xbe4f68) #6 0x00005623efe90561 n/a (mysqld + 0xb1e561) #7 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #8 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 879: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623efdeee26 n/a (mysqld + 0xa7ce26) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 911: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 865: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623f00e165b n/a (mysqld + 0xd6f65b) #2 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #3 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 892: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efd8cfc5 n/a (mysqld + 0xa1afc5) #2 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #3 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 916: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 894: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623ef949384 handle_slave_background (mysqld + 0x5d7384) #2 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #3 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 880: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623efe8dbab n/a (mysqld + 0xb1bbab) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 1001: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 881: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623efe8d322 n/a (mysqld + 0xb1b322) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 882: #0 0x00007fa0850dcf7a pthread_cond_timedwait@@GLIBC_2.3.2 (libpthread.so.0 + 0xff7a) #1 0x00005623efe11862 n/a (mysqld + 0xa9f862) #2 0x00005623efe11a01 n/a (mysqld + 0xa9fa01) #3 0x00005623eff4f937 n/a (mysqld + 0xbdd937) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 889: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623eff0b6c9 n/a (mysqld + 0xb996c9) #3 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #4 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 888: #0 0x00007fa0850dcc45 pthread_cond_wait@@GLIBC_2.3.2 (libpthread.so.0 + 0xfc45) #1 0x00005623efe1196a n/a (mysqld + 0xa9f96a) #2 0x00005623efe8a5ae n/a (mysqld + 0xb185ae) #3 0x00005623efe8fc14 n/a (mysqld + 0xb1dc14) #4 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #5 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 913: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 922: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 917: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 991: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) Stack trace of thread 997: #0 0x00007fa0848a19ef __poll (libc.so.6 + 0xf49ef) #1 0x00005623f012fe68 vio_io_wait (mysqld + 0xdbde68) #2 0x00005623f012ffdd vio_socket_io_wait (mysqld + 0xdbdfdd) #3 0x00005623f01300c5 vio_read (mysqld + 0xdbe0c5) #4 0x00005623efd01aa3 n/a (mysqld + 0x98faa3) #5 0x00005623efd02a81 my_net_read_packet_reallen (mysqld + 0x990a81) #6 0x00005623efd02b7c my_net_read_packet (mysqld + 0x990b7c) #7 0x00005623ef9f4f63 _Z10do_commandP3THD (mysqld + 0x682f63) #8 0x00005623efad9296 _Z24do_handle_one_connectionP7CONNECT (mysqld + 0x767296) #9 0x00005623efad93d3 handle_one_connection (mysqld + 0x7673d3) #10 0x00007fa0850d64cf start_thread (libpthread.so.0 + 0x94cf) #11 0x00007fa0848ac2d3 __clone (libc.so.6 + 0xff2d3) -- Subject: Process 863 (mysqld) dumped core -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- Documentation: man:core(5) -- -- Process 863 (mysqld) crashed and dumped core. -- -- This usually indicates a programming error in the crashing program and -- should be reported to its vendor as a bug. Feb 01 11:56:30 hamsandwich systemd[1]: systemd-coredump@0-1016-0.service: Succeeded. -- Subject: Unit succeeded -- Defined-By: systemd -- Support: https://lists.freedesktop.org/mailman/listinfo/systemd-devel -- -- The unit systemd-coredump@0-1016-0.service has successfully entered the 'dead' state.