171115 12:09:44 [ERROR] mysqld got signal 11 ; This could be because you hit a bug. It is also possible that this binary or one of the libraries it was linked against is corrupt, improperly built, or misconfigured. This error can also be caused by malfunctioning hardware. To report this bug, see https://mariadb.com/kb/en/reporting-bugs We will try our best to scrape up some info that will hopefully help diagnose the problem, but since we have already crashed, something is definitely wrong and this may fail. Server version: 10.1.28-MariaDB key_buffer_size=268435456 read_buffer_size=131072 max_used_connections=33 max_threads=1001 thread_count=19 It is possible that mysqld could use up to key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 2445496 K bytes of memory Hope that's ok; if not, decrease some variables in the equation. Thread pointer: 0x7f85d5ae7008 Attempting backtrace. You can use the following information to find out where mysqld died. If you see no messages after this, something went terribly wrong... stack_bottom = 0x7f8b80233ff8 thread_stack 0x48400 /usr/sbin/mysqld(my_print_stacktrace+0x2e)[0x55ffd482c92e] /usr/sbin/mysqld(handle_fatal_signal+0x305)[0x55ffd434fce5] /lib64/libpthread.so.0(+0xf5e0)[0x7f8c8946f5e0] /usr/sbin/mysqld(_ZN13QUERY_PROFILE10new_statusEPKcS1_S1_j+0x70)[0x55ffd429e000] /usr/sbin/mysqld(set_thd_stage_info+0xd4)[0x55ffd4191da4] /usr/sbin/mysqld(_ZN11Query_cache8try_lockEP3THDNS_19Cache_try_lock_modeE+0x91)[0x55ffd4189031] /usr/sbin/mysqld(_ZN11Query_cache6insertEP3THDP15Query_cache_tlsPKcmj+0x3f)[0x55ffd418d1ff] /usr/sbin/mysqld(net_real_write+0x45)[0x55ffd4136e05] /usr/sbin/mysqld(net_flush+0x23)[0x55ffd4137143] /usr/sbin/mysqld(net_write_command+0x3fb)[0x55ffd41378ab] /usr/sbin/mysqld(cli_advanced_command+0xe2)[0x55ffd432f782] /usr/sbin/mysqld(mysql_send_query+0x31)[0x55ffd432ce61] /usr/sbin/mysqld(mysql_real_query+0x11)[0x55ffd432ce81] /usr/lib64/mysql/plugin/ha_federated.so(_ZN12ha_federated4infoEj+0x13c)[0x7f8c7b5f85fc] /usr/sbin/mysqld(+0x484215)[0x55ffd4214215] /usr/sbin/mysqld(_ZN4JOIN14optimize_innerEv+0x72f)[0x55ffd421cc2f] /usr/sbin/mysqld(_ZN4JOIN8optimizeEv+0x2f)[0x55ffd421f51f] /usr/sbin/mysqld(_Z12mysql_selectP3THDPPP4ItemP10TABLE_LISTjR4ListIS1_ES2_jP8st_orderSB_S2_SB_yP13select_resultP18st_select_lex_unitP13st_select_lex+0x8f)[0x55ffd421f65f] /usr/sbin/mysqld(_Z13handle_selectP3THDP3LEXP13select_resultm+0x255)[0x55ffd42201e5] /usr/sbin/mysqld(+0x376297)[0x55ffd4106297] /usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x6cb0)[0x55ffd41ca9b0] /usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x342)[0x55ffd41cd702] /usr/sbin/mysqld(_Z16dispatch_command19enum_server_commandP3THDPcj+0x280a)[0x55ffd41d106a] /usr/sbin/mysqld(_Z10do_commandP3THD+0x136)[0x55ffd41d19c6] /usr/sbin/mysqld(_Z26threadpool_process_requestP3THD+0xfb)[0x55ffd42dad2b] /usr/sbin/mysqld(+0x598735)[0x55ffd4328735] /lib64/libpthread.so.0(+0x7e25)[0x7f8c89467e25] /lib64/libc.so.6(clone+0x6d)[0x7f8c8780b34d] Trying to get some variables. Some pointers may be invalid and cause the dump to abort. Query (0x7f85cdd2b020): select mx.Supplier_Party_ID, mx.Supplier_Mfr_Name, mx.Ofbiz_Manufacturer_ID, pg.ATTR_VALUE as GROUP_NAME from Supplier_Manufacturer_Xref mx left join ofbizfed.PARTY_ATTRIBUTE pg on pg.PARTY_ID = mx.Ofbiz_Manufacturer_ID and pg.ATTR_NAME = 'name' where (mx.Supplier_Party_ID = 'EMD_MILLIPORE' and mx.Supplier_Mfr_Name = 'EMD Millipore') and mx.Supplier_Party_ID = 'EMD_MILLIPORE' Connection ID (thread ID): 82980 Status: NOT_KILLED 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,orderby_uses_equalities=off The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains information that should help you find out what is causing the crash. 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Using mutexes to ref count buffer pool pages 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: The InnoDB memory heap is disabled 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Compressed tables use zlib 1.2.7 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Using Linux native AIO 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Using SSE crc32 instructions 2017-11-15 12:09:51 139691927189760 [Note] InnoDB: Initializing buffer pool, size = 24.0G 2017-11-15 12:09:52 139691927189760 [Note] InnoDB: Completed initialization of buffer pool 2017-11-15 12:09:52 139691927189760 [Note] InnoDB: Highest supported file format is Barracuda. 2017-11-15 12:09:52 139691927189760 [Note] InnoDB: Starting crash recovery from checkpoint LSN=317727537969633 2017-11-15 12:09:57 139691927189760 [Note] InnoDB: Restoring possible half-written data pages from the doublewrite buffer... 2017-11-15 12:09:58 139691927189760 [Note] InnoDB: Starting final batch to recover 390 pages from redo log InnoDB: In a MySQL replication slave the last master binlog file InnoDB: position 0 34551777, file name binlog.000091 InnoDB: Last MySQL binlog file position 0 146990140, file name /var/lib/mysqllogs/binlog.033768 2017-11-15 12:10:04 139691927189760 [Note] InnoDB: 128 rollback segment(s) are active. 2017-11-15 12:10:04 139691927189760 [Note] InnoDB: Waiting for purge to start 2017-11-15 12:10:04 139691927189760 [Note] InnoDB: Percona XtraDB (http://www.percona.com) 5.6.36-82.2 started; log sequence number 317727538926817 2017-11-15 12:10:05 139662496597760 [Note] InnoDB: Dumping buffer pool(s) not yet started 2017-11-15 12:10:05 139691927189760 [Note] Plugin 'FEEDBACK' is disabled. 2017-11-15 12:10:05 139691927189760 [Note] Recovering after a crash using /var/lib/mysqllogs/binlog 2017-11-15 12:10:05 139691927189760 [Note] Starting crash recovery... 2017-11-15 12:10:05 139691927189760 [Note] Crash recovery finished. 2017-11-15 12:10:05 139691927189760 [Note] Server socket created on IP: '::'. 2017-11-15 12:10:05 139691927189760 [Note] Server socket created on IP: '::'. 2017-11-15 12:10:05 139691927189760 [Note] /usr/sbin/mysqld: ready for connections. Version: '10.1.28-MariaDB' socket: '/var/lib/mysql/mysql.sock' port: 3306 MariaDB Server