190123 13:55:46 [ERROR] mysqld got exception 0xc0000005 ;
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This could be because you hit a bug. It is also possible that this binary
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or one of the libraries it was linked against is corrupt, improperly built,
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or misconfigured. This error can also be caused by malfunctioning hardware.
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To report this bug, see https://mariadb.com/kb/en/reporting-bugs
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We will try our best to scrape up some info that will hopefully help
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diagnose the problem, but since we have already crashed,
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something is definitely wrong and this may fail.
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Server version: 10.4.1-MariaDB
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=1
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max_threads=65537
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thread_count=7
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It is possible that mysqld could use up to
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key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 136273 K bytes of memory
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Hope that's ok; if not, decrease some variables in the equation.
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Thread pointer: 0x1ed7f65b028
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Attempting backtrace. You can use the following information to find out
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where mysqld died. If you see no messages after this, something went
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terribly wrong...
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mysqld.exe!st_select_lex::init_select()[sql_lex.cc:2399]
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mysqld.exe!mysql_init_select()[sql_parse.cc:7713]
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mysqld.exe!MYSQLparse()[sql_yacc.yy:13606]
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mysqld.exe!parse_sql()[sql_parse.cc:10124]
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mysqld.exe!mysql_parse()[sql_parse.cc:8059]
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mysqld.exe!dispatch_command()[sql_parse.cc:1853]
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mysqld.exe!do_command()[sql_parse.cc:1395]
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mysqld.exe!threadpool_process_request()[threadpool_common.cc:358]
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mysqld.exe!tp_callback()[threadpool_common.cc:186]
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ntdll.dll!RtlAcquireSRWLockExclusive()
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ntdll.dll!RtlReleaseSRWLockExclusive()
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KERNEL32.DLL!BaseThreadInitThunk()
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ntdll.dll!RtlUserThreadStart()
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Trying to get some variables.
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Some pointers may be invalid and cause the dump to abort.
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Query (0x1ed7f66a040): SET STATEMENT max_statement_time=30 FOR DELETE FROM mysql.user where user = 'unknown'
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Connection ID (thread ID): 8
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Status: NOT_KILLED
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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=on,condition_pushdown_for_derived=on,split_materialized=on,condition_pushdown_for_subquery=on
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