Feb 24 09:51:59 aggdb01 mysqld: 160224 9:51:59 [ERROR] mysqld got signal 11 ; Feb 24 09:51:59 aggdb01 mysqld: This could be because you hit a bug. It is also possible that this binary Feb 24 09:51:59 aggdb01 mysqld: or one of the libraries it was linked against is corrupt, improperly built, Feb 24 09:51:59 aggdb01 mysqld: or misconfigured. This error can also be caused by malfunctioning hardware. Feb 24 09:51:59 aggdb01 mysqld: To report this bug, see http://kb.askmonty.org/en/reporting-bugs Feb 24 09:51:59 aggdb01 mysqld: We will try our best to scrape up some info that will hopefully help Feb 24 09:51:59 aggdb01 mysqld: diagnose the problem, but since we have already crashed, Feb 24 09:51:59 aggdb01 mysqld: something is definitely wrong and this may fail. Feb 24 09:51:59 aggdb01 mysqld: Server version: 10.1.11-MariaDB-log Feb 24 09:51:59 aggdb01 mysqld: key_buffer_size=134217728 Feb 24 09:51:59 aggdb01 mysqld: read_buffer_size=131072 Feb 24 09:51:59 aggdb01 mysqld: max_used_connections=3 Feb 24 09:51:59 aggdb01 mysqld: max_threads=516 Feb 24 09:51:59 aggdb01 mysqld: thread_count=35 Feb 24 09:51:59 aggdb01 mysqld: It is possible that mysqld could use up to Feb 24 09:51:59 aggdb01 mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 1264425 K bytes of memory Feb 24 09:51:59 aggdb01 mysqld: Hope that's ok; if not, decrease some variables in the equation. Feb 24 09:51:59 aggdb01 mysqld: Thread pointer: 0x0x7fa8b382b008 Feb 24 09:51:59 aggdb01 mysqld: Attempting backtrace. You can use the following information to find out Feb 24 09:51:59 aggdb01 mysqld: where mysqld died. If you see no messages after this, something went Feb 24 09:51:59 aggdb01 mysqld: terribly wrong... Feb 24 09:52:00 aggdb01 mysqld: stack_bottom = 0x7fc43aa2d8d0 thread_stack 0x48400 Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x7fc541c0ccce] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(handle_fatal_signal+0x38d)[0x7fc54173a49d] Feb 24 09:52:00 aggdb01 mysqld: /lib64/libpthread.so.0(+0xf100)[0x7fc540d5a100] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG21do_checkpoint_requestEm+0x9d)[0x7fc5417fb90d] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG20checkpoint_and_purgeEm+0x11)[0x7fc5417fb9a1] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG23trx_group_commit_leaderEPNS_18group_commit_entryE+0x50a)[0x7fc5417fe95a] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG34write_transaction_to_binlog_eventsEPNS_18group_commit_entryE+0x93)[0x7fc5417fec63] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG27write_transaction_to_binlogEP3THDP17binlog_cache_mngrP9Log_eventbbb+0xcf)[0x7fc5417fef7f] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(+0x6740f8)[0x7fc5417ff0f8] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(+0x67465c)[0x7fc5417ff65c] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13MYSQL_BIN_LOG13log_and_orderEP3THDybbb+0x44)[0x7fc5417ff6f4] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_Z15ha_commit_transP3THDb+0x482)[0x7fc54173d782] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_Z12trans_commitP3THD+0x5b)[0x7fc54169753b] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_ZN13Xid_log_event14do_apply_eventEP14rpl_group_info+0xba)[0x7fc541807f2a] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14rpl_group_infoP19rpl_parallel_thread+0x1e1)[0x7fc541545441] Feb 24 09:52:00 aggdb01 mysqld: /usr/sbin/mysqld(handle_slave_sql+0x261b)[0x7fc541548e7b] Feb 24 09:52:00 aggdb01 mysqld: /lib64/libpthread.so.0(+0x7dc5)[0x7fc540d52dc5] Feb 24 09:52:00 aggdb01 mysqld: /lib64/libc.so.6(clone+0x6d)[0x7fc53f17628d] Feb 24 09:52:00 aggdb01 mysqld: Trying to get some variables. Feb 24 09:52:00 aggdb01 mysqld: Some pointers may be invalid and cause the dump to abort. Feb 24 09:52:00 aggdb01 mysqld: Query (0x0): Feb 24 09:52:00 aggdb01 mysqld: Connection ID (thread ID): 38 Feb 24 09:52:00 aggdb01 mysqld: Status: NOT_KILLED Feb 24 09:52:00 aggdb01 mysqld: 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=off,table_elimination=on,extended_keys=on,exists_to_in=on Feb 24 09:52:00 aggdb01 mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains Feb 24 09:52:00 aggdb01 mysqld: information that should help you find out what is causing the crash. Feb 24 09:52:04 aggdb01 systemd: mariadb.service: main process exited, code=exited, status=1/FAILURE Feb 24 09:52:04 aggdb01 systemd: Unit mariadb.service entered failed state. Feb 24 09:52:04 aggdb01 systemd: mariadb.service failed.