Jun 28 22:00:01 MariaDB-10-4-6-51 systemd: Starting Session 21 of user root.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: 190628 22:00:15 [ERROR] mysqld got signal 11 ;
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: This could be because you hit a bug. It is also possible that this binary
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: or one of the libraries it was linked against is corrupt, improperly built,
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: or misconfigured. This error can also be caused by malfunctioning hardware.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: To report this bug, see https://mariadb.com/kb/en/reporting-bugs
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: We will try our best to scrape up some info that will hopefully help
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: diagnose the problem, but since we have already crashed,
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: something is definitely wrong and this may fail.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Server version: 10.4.6-MariaDB-log
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: key_buffer_size=134217728
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: read_buffer_size=131072
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: max_used_connections=1
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: max_threads=52
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: thread_count=8
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: It is possible that mysqld could use up to
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 245476 K  bytes of memory
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Hope that's ok; if not, decrease some variables in the equation.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Thread pointer: 0x7f0c1c007d78
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Attempting backtrace. You can use the following information to find out
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: where mysqld died. If you see no messages after this, something went
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: terribly wrong...
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: stack_bottom = 0x7f0c6c0c0cc0 thread_stack 0x49000
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x55fc04c3ad7e]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(handle_fatal_signal+0x30f)[0x55fc046cd7af]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: sigaction.c:0(__restore_rt)[0x7f0c77acd6d0]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(+0xcaad5d)[0x55fc04aded5d]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(+0xcbbd1d)[0x55fc04aefd1d]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(+0xdccbfb)[0x55fc04c00bfb]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(+0xdda381)[0x55fc04c0e381]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_ZN7handler12ha_write_rowEPh+0x16f)[0x55fc046d93bf]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z12write_recordP3THDP5TABLEP12st_copy_info+0x6a)[0x55fc0449125a]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z12mysql_insertP3THDP10TABLE_LISTR4ListI4ItemERS3_IS5_ES6_S6_15enum_duplicatesb+0x1100)[0x55fc04497b70]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x3f32)[0x55fc044c6ad2]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_statebb+0x24b)[0x55fc044cc14b]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x1b66)[0x55fc044ceed6]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z10do_commandP3THD+0x11c)[0x55fc044d04ac]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(_Z24do_handle_one_connectionP7CONNECT+0x21a)[0x55fc045abd6a]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(handle_one_connection+0x3d)[0x55fc045abecd]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /usr/sbin/mysqld(+0xdb88bd)[0x55fc04bec8bd]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: pthread_create.c:0(start_thread)[0x7f0c77ac5e25]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: /lib64/libc.so.6(clone+0x6d)[0x7f0c75e69bad]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Trying to get some variables.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Some pointers may be invalid and cause the dump to abort.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Query (0x7f0c1c0170a0): insert ignore into example_table partition(p0001) (   key1_id ) values (01), (02), (03), (04), (05), (06), (07), (08)
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Connection ID (thread ID): 10
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Status: NOT_KILLED
Jun 28 22:00:15 MariaDB-10-4-6-51 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=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
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: information that should help you find out what is causing the crash.
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Writing a core file...
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Working directory at /var/lib/mysql
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Resource Limits:
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Limit                     Soft Limit           Hard Limit           Units
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max cpu time              unlimited            unlimited            seconds
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max file size             unlimited            unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max data size             unlimited            unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max stack size            8388608              unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max core file size        0                    unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max resident set          unlimited            unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max processes             3875                 3875                 processes
Jun 28 22:00:15 MariaDB-10-4-6-51 kernel: mysqld[1673]: segfault at 88 ip 000055fc04aded5d sp 00007f0c6c0bce20 error 4 in mysqld[55fc03e34000+1440000]
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max open files            16364                16364                files
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max locked memory         65536                65536                bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max address space         unlimited            unlimited            bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max file locks            unlimited            unlimited            locks
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max pending signals       3875                 3875                 signals
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max msgqueue size         819200               819200               bytes
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max nice priority         0                    0
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max realtime priority     0                    0
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Max realtime timeout      unlimited            unlimited            us
Jun 28 22:00:15 MariaDB-10-4-6-51 mysqld: Core pattern: core
Jun 28 22:00:15 MariaDB-10-4-6-51 systemd: mariadb.service: main process exited, code=killed, status=11/SEGV
Jun 28 22:00:15 MariaDB-10-4-6-51 systemd: Unit mariadb.service entered failed state.
Jun 28 22:00:15 MariaDB-10-4-6-51 systemd: mariadb.service failed.
Jun 28 22:00:20 MariaDB-10-4-6-51 systemd: mariadb.service holdoff time over, scheduling restart.
Jun 28 22:00:20 MariaDB-10-4-6-51 systemd: Starting MariaDB 10.4.6 database server...