Crash when running with slow_query_log=1

Nov 18 16:22:21 thorstenknbl1 mysqld: 131118 16:22:21 [ERROR] mysqld got signal 11 ;

Nov 18 16:22:21 thorstenknbl1 mysqld: This could be because you hit a bug. It is also possible that this binary

Nov 18 16:22:21 thorstenknbl1 mysqld: or one of the libraries it was linked against is corrupt, improperly built,

Nov 18 16:22:21 thorstenknbl1 mysqld: or misconfigured. This error can also be caused by malfunctioning hardware.

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: To report this bug, see http://kb.askmonty.org/en/reporting-bugs

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: We will try our best to scrape up some info that will hopefully help

Nov 18 16:22:21 thorstenknbl1 mysqld: diagnose the problem, but since we have already crashed, 

Nov 18 16:22:21 thorstenknbl1 mysqld: something is definitely wrong and this may fail.

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: Server version: 10.0.5-MariaDB-log

Nov 18 16:22:21 thorstenknbl1 mysqld: key_buffer_size=67108864

Nov 18 16:22:21 thorstenknbl1 mysqld: read_buffer_size=524288

Nov 18 16:22:21 thorstenknbl1 mysqld: max_used_connections=1

Nov 18 16:22:21 thorstenknbl1 mysqld: max_threads=501

Nov 18 16:22:21 thorstenknbl1 mysqld: thread_count=1

Nov 18 16:22:21 thorstenknbl1 mysqld: It is possible that mysqld could use up to 

Nov 18 16:22:21 thorstenknbl1 mysqld: key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 580639 K  bytes of memory

Nov 18 16:22:21 thorstenknbl1 mysqld: Hope that's ok; if not, decrease some variables in the equation.

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: Thread pointer: 0x0x7f4ee0264008

Nov 18 16:22:21 thorstenknbl1 mysqld: Attempting backtrace. You can use the following information to find out

Nov 18 16:22:21 thorstenknbl1 mysqld: where mysqld died. If you see no messages after this, something went

Nov 18 16:22:21 thorstenknbl1 mysqld: terribly wrong...

Nov 18 16:22:21 thorstenknbl1 mysqld: stack_bottom = 0x7f4f7b5e3cc8 thread_stack 0x48000

Nov 18 16:22:21 thorstenknbl1 mysqld: mysys/stacktrace.c:247(my_print_stacktrace)[0xb78f2b]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/signal_handler.cc:153(handle_fatal_signal)[0x70ce68]

Nov 18 16:22:21 thorstenknbl1 mysqld: ??:0(??)[0x7f4f7d75dbb0]

Nov 18 16:22:21 thorstenknbl1 mysqld: psi/mysql_thread.h:662(inline_mysql_mutex_lock)[0x6b6a1a]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/sql_explain.cc:35(Explain_query::~Explain_query())[0x69aa30]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/sql_explain.cc:938(delete_explain_query(LEX*))[0x69bf8d]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/sql_parse.cc:1767(log_slow_statement)[0x5c39f9]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/threadpool_common.cc:232(threadpool_process_request(THD*))[0x6b6387]

Nov 18 16:22:21 thorstenknbl1 mysqld: sql/threadpool_unix.cc:1444(handle_event)[0x6e227d]

Nov 18 16:22:21 thorstenknbl1 mysqld: perfschema/pfs.cc:1856(pfs_spawn_thread)[0xa2c460]

Nov 18 16:22:21 thorstenknbl1 mysqld: ??:0(??)[0x7f4f7d755f6e]

Nov 18 16:22:21 thorstenknbl1 mysqld: ??:0(??)[0x7f4f7ce789cd]

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: Trying to get some variables.

Nov 18 16:22:21 thorstenknbl1 mysqld: Some pointers may be invalid and cause the dump to abort.

Nov 18 16:22:21 thorstenknbl1 mysqld: Query (0x7f4ecd82d020): is an invalid pointer

Nov 18 16:22:21 thorstenknbl1 mysqld: Connection ID (thread ID): 6

Nov 18 16:22:21 thorstenknbl1 mysqld: Status: NOT_KILLED

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 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=off,exists_to_in=off

Nov 18 16:22:21 thorstenknbl1 mysqld: 

Nov 18 16:22:21 thorstenknbl1 mysqld: The manual page at http://dev.mysql.com/doc/mysql/en/crashing.html contains

Nov 18 16:22:21 thorstenknbl1 mysqld: information that should help you find out what is causing the crash.

slow_query_log = 1

log_slow_rate_limit = 1000

log-queries-not-using-indexes