Sep 17 07:49:15 db-01 mysqld: 170917  7:49:15 [ERROR] mysqld got signal 11 ;

Sep 17 07:49:15 db-01 mysqld: This could be because you hit a bug. It is also possible that this binary

Sep 17 07:49:15 db-01 mysqld: or one of the libraries it was linked against is corrupt, improperly built,

Sep 17 07:49:15 db-01 mysqld: or misconfigured. This error can also be caused by malfunctioning hardware.

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: To report this bug, see https://mariadb.com/kb/en/reporting-bugs

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: We will try our best to scrape up some info that will hopefully help

Sep 17 07:49:15 db-01 mysqld: diagnose the problem, but since we have already crashed, 

Sep 17 07:49:15 db-01 mysqld: something is definitely wrong and this may fail.

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: Server version: 10.0.31-MariaDB-1~trusty

Sep 17 07:49:15 db-01 mysqld: key_buffer_size=33554432

Sep 17 07:49:15 db-01 mysqld: read_buffer_size=2097152

Sep 17 07:49:15 db-01 mysqld: max_used_connections=3808

Sep 17 07:49:15 db-01 mysqld: max_threads=501

Sep 17 07:49:15 db-01 mysqld: thread_count=469

Sep 17 07:49:15 db-01 mysqld: It is possible that mysqld could use up to 

Sep 17 07:49:15 db-01 mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 3210111 K  bytes of memory

Sep 17 07:49:15 db-01 mysqld: Hope that's ok; if not, decrease some variables in the equation.

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: Thread pointer: 0x7f9d4d489008

Sep 17 07:49:15 db-01 mysqld: Attempting backtrace. You can use the following information to find out

Sep 17 07:49:15 db-01 mysqld: where mysqld died. If you see no messages after this, something went

Sep 17 07:49:15 db-01 mysqld: terribly wrong...

Sep 17 07:49:15 db-01 mysqld: stack_bottom = 0x7f9d51c24d68 thread_stack 0x48000

Sep 17 07:49:15 db-01 mysqld: (my_addr_resolve failure: fork)

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(my_print_stacktrace+0x2e) [0xbe68be]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(handle_fatal_signal+0x3b6) [0x7428d6]

Sep 17 07:49:15 db-01 mysqld: /lib/x86_64-linux-gnu/libpthread.so.0(+0x10330) [0x7fa378c99330]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld() [0xb84de8]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld() [0xba954c]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(handler::ha_index_read_map(unsigned char*, unsigned char const*, unsigned long, ha_rkey_function)+0x134) [0x7474a4]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(rename_table_in_stat_tables(THD*, st_mysql_lex_string*, st_mysql_lex_string*, st_mysql_lex_string*, st_mysql_lex_string*)+0x3bc) [0x64d30c]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld() [0x5f08d0]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(mysql_rename_tables(THD*, TABLE_LIST*, bool)+0x1a2) [0x5f0b42]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(mysql_execute_command(THD*)+0x53d1) [0x5da4e1]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(mysql_parse(THD*, char*, unsigned int, Parser_state*)+0x1ca) [0x5dc69a]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x1bd3) [0x5de823]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld(threadpool_process_request(THD*)+0xfb) [0x6e3afb]

Sep 17 07:49:15 db-01 mysqld: /usr/sbin/mysqld() [0x714e6d]

Sep 17 07:49:15 db-01 mysqld: /lib/x86_64-linux-gnu/libpthread.so.0(+0x8184) [0x7fa378c91184]

Sep 17 07:49:15 db-01 mysqld: /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fa377b74ffd]

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: Trying to get some variables.

Sep 17 07:49:15 db-01 mysqld: Some pointers may be invalid and cause the dump to abort.

Sep 17 07:49:15 db-01 mysqld: Query (0x7f9d345b718d): is an invalid pointer

Sep 17 07:49:15 db-01 mysqld: Connection ID (thread ID): 104455320

Sep 17 07:49:15 db-01 mysqld: Status: NOT_KILLED

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 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

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains

Sep 17 07:49:15 db-01 mysqld: information that should help you find out what is causing the crash.

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:15 db-01 mysqld: We think the query pointer is invalid, but we will try to print it anyway. 

Sep 17 07:49:15 db-01 mysqld: Query: RENAME TABLE market_orders_gmni TO market_orders_gmni_atomic, market_orders_gmni_new  TO market_orders_gmni

Sep 17 07:49:15 db-01 mysqld: 

Sep 17 07:49:16 db-01 mysqld_safe: Number of processes running now: 0

Sep 17 07:49:16 db-01 mysqld_safe: mysqld restarted

Sep 17 07:49:17 db-01 mysqld: 170917  7:49:17 [Note] /usr/sbin/mysqld (mysqld 10.0.31-MariaDB-1~trusty) starting as process 6836 ...