150401 18:12:01 [ERROR] mysqld got signal 11 ;
[...]
Thread pointer: 0x0x7faad03d6008
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 = 0x7faa860eddf0 thread_stack 0x80000
(my_addr_resolve failure: fork)
/usr/sbin/mysqld(my_print_stacktrace+0x2b) [0x7fb138e460fb]
/usr/sbin/mysqld(handle_fatal_signal+0x455) [0x7fb1389b0ee5]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xf0a0) [0x7fb137fe00a0]
/usr/sbin/mysqld(tc_add_table_callback(TDC_element*, tc_add_table_arg*)+0x83) [0x7fb138963f23]
/usr/sbin/mysqld(lf_hash_iterate+0x170) [0x7fb138e4f770]
/usr/sbin/mysqld(tdc_iterate(THD*, char (*)(void*, void*), void*, bool)+0x73) [0x7fb138965c73]
/usr/sbin/mysqld(tc_add_table(THD*, TABLE*)+0x214) [0x7fb138966034]
/usr/sbin/mysqld(open_table(THD*, TABLE_LIST*, st_mem_root*, Open_table_context*)+0xaf2) [0x7fb13880de12]
/usr/sbin/mysqld(open_tables(THD*, DDL_options_st const&, TABLE_LIST**, unsigned int*, unsigned int, Prelocking_strategy*)+0xfde) [0x7fb13880f09e]
/usr/sbin/mysqld(mysql_execute_command(THD*)+0x34fe) [0x7fb138849f5e]
/usr/sbin/mysqld(mysql_parse(THD*, char*, unsigned int, Parser_state*)+0x20a) [0x7fb13884fc2a]
/usr/sbin/mysqld(dispatch_command(enum_server_command, THD*, char*, unsigned int)+0x21d9) [0x7fb1388525e9]
/usr/sbin/mysqld(do_command(THD*)+0x156) [0x7fb138852ac6]
/usr/sbin/mysqld(do_handle_one_connection(THD*)+0x187) [0x7fb13890b367]
/usr/sbin/mysqld(handle_one_connection+0x47) [0x7fb13890b537]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50) [0x7fb137fd7b50]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d) [0x7fb1364a395d]

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0x7faa930dd020): is an invalid pointer
Connection ID (thread ID): 4894
Status: NOT_KILLED

150401 18:24:34 [ERROR] mysqld got signal 11 ;
[...]
Thread pointer: 0x0x7f65cf42b008
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 = 0x7f65c1eeb540 thread_stack 0x80000
/usr/sbin/mysqld(my_print_stacktrace+0x2b)[0x7f6c749f10fb]
/usr/sbin/mysqld(handle_fatal_signal+0x455)[0x7f6c7455bee5]
/lib/x86_64-linux-gnu/libpthread.so.0(+0xf0a0)[0x7f6c73b8b0a0]
/usr/sbin/mysqld(_Z21tc_add_table_callbackP11TDC_elementP16tc_add_table_arg+0x83)[0x7f6c7450ef23]
/usr/sbin/mysqld(lf_hash_iterate+0x170)[0x7f6c749fa770]
/usr/sbin/mysqld(_Z11tdc_iterateP3THDPFcPvS1_ES1_b+0x73)[0x7f6c74510c73]
/usr/sbin/mysqld(_Z12tc_add_tableP3THDP5TABLE+0x214)[0x7f6c74511034]
/usr/sbin/mysqld(_Z10open_tableP3THDP10TABLE_LISTP11st_mem_rootP18Open_table_context+0xaf2)[0x7f6c743b8e12]
/usr/sbin/mysqld(_Z11open_tablesP3THDRK14DDL_options_stPP10TABLE_LISTPjjP19Prelocking_strategy+0xfde)[0x7f6c743ba09e]
/usr/sbin/mysqld(_Z20open_and_lock_tablesP3THDRK14DDL_options_stP10TABLE_LISTbjP19Prelocking_strategy+0x44)[0x7f6c743ba314]
/usr/sbin/mysqld(_Z12mysql_insertP3THDP10TABLE_LISTR4ListI4ItemERS3_IS5_ES6_S6_15enum_duplicatesb+0xf7)[0x7f6c743dcbb7]
/usr/sbin/mysqld(_Z21mysql_execute_commandP3THD+0x2f16)[0x7f6c743f4976]
/usr/sbin/mysqld(_Z11mysql_parseP3THDPcjP12Parser_state+0x20a)[0x7f6c743fac2a]
/usr/sbin/mysqld(_ZN15Query_log_event14do_apply_eventEP14rpl_group_infoPKcj+0x100b)[0x7f6c7461f51b]
/usr/sbin/mysqld(_ZN9Log_event11apply_eventEP14rpl_group_info+0x3f)[0x7f6c74388b1f]
/usr/sbin/mysqld(_Z26apply_event_and_update_posP9Log_eventP3THDP14rpl_group_infoP19rpl_parallel_thread+0x19b)[0x7f6c7437f09b]
/usr/sbin/mysqld(handle_slave_sql+0x2153)[0x7f6c743820f3]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x7f6c73b82b50]
/lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x7f6c7204e95d]

Trying to get some variables.
Some pointers may be invalid and cause the dump to abort.
Query (0x7f65d13f1196): is an invalid pointer
Connection ID (thread ID): 3
Status: NOT_KILLED