221214 23:20:02 [ERROR] mysqld got signal 11 ;
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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: 10.5.16-221000-MariaDB-log
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key_buffer_size=16777216
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read_buffer_size=262144
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max_used_connections=68
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max_threads=2002
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thread_count=56
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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 = 4676969 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: 0x7f30ec001198
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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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stack_bottom = 0x7f3210499de8 thread_stack 0x49000
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mysys/stacktrace.c:213(my_print_stacktrace)[0x55b350413c2e]
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sql/signal_handler.cc:225(handle_fatal_signal)[0x55b34fe6ed25]
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??:0(funlockfile)[0x7f32b03d85a0]
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strings/strcoll.inl:99(my_scan_weight_utf8mb3_general_ci)[0x55b350460113]
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sql/event_data_objects.cc:1614(event_basic_identifier_equal(st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, Event_basic*))[0x55b34fd4adea]
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sql/event_queue.cc:427(Event_queue::find_n_remove_event(st_mysql_const_lex_string const*, st_mysql_const_lex_string const*))[0x55b34fffec23]
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sql/event_queue.cc:275(Event_queue::update_event(THD*, st_mysql_const_lex_string const*, st_mysql_const_lex_string const*, Event_queue_element*))[0x55b34ffff08a]
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sql/events.cc:555(Events::update_event(THD*, Event_parse_data*, st_mysql_const_lex_string*, st_mysql_const_lex_string*))[0x55b34fd4c039]
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sql/sql_parse.cc:5328(mysql_execute_command(THD*))[0x55b34fc67371]
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sql/sql_parse.cc:8175(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x55b34fc679aa]
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sql/sql_parse.cc:1893(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x55b34fc692eb]
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sql/sql_parse.cc:1377(do_command(THD*))[0x55b34fc6ae33]
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sql/sql_connect.cc:1419(do_handle_one_connection(CONNECT*, bool))[0x55b34fd66861]
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sql/sql_connect.cc:1313(handle_one_connection)[0x55b34fd66ced]
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perfschema/pfs.cc:2204(pfs_spawn_thread)[0x55b3500ee9ab]
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??:0(__libpthread_freeres)[0x7f32b03cdf3b]
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??:0(clone)[0x7f32b0305840]
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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 (0x7f30ec033860): Alter definer='root'@'localhost' event ALTER_EVENT_145 on schedule at current_timestamp + interval '2-10' year_month on completion not preserve rename to a disable on slave
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Connection ID (thread ID): 1726
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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=on,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,rowid_filter=on,condition_pushdown_from_having=on,not_null_range_scan=off
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The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains
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information that should help you find out what is causing the crash.
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Writing a core file...
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Working directory at /data/Ruby/data
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Resource Limits:
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Limit Soft Limit Hard Limit Units
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Max cpu time unlimited unlimited seconds
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Max file size unlimited unlimited bytes
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Max data size unlimited unlimited bytes
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Max stack size 8388608 unlimited bytes
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Max core file size unlimited unlimited bytes
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Max resident set unlimited unlimited bytes
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Max processes 126424 126424 processes
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Max open files 65535 65535 files
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Max locked memory 67108864 67108864 bytes
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Max address space unlimited unlimited bytes
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Max file locks unlimited unlimited locks
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Max pending signals 126424 126424 signals
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Max msgqueue size 819200 819200 bytes
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Max nice priority 0 0
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Max realtime priority 0 0
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Max realtime timeout unlimited unlimited us
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Core pattern: /core/core-%e-%u-%s-%t-%h
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core ：
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(gdb) bt
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#0 0x00007f32b03d5281 in pthread_kill () from /usr/lib64/libpthread.so.0
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#1 0x000055b350413a29 in my_write_core (sig=<optimized out>) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/mysys/stacktrace.c:424
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#2 0x000055b34fe6ed40 in handle_fatal_signal (sig=11) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/signal_handler.cc:344
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#3 <signal handler called>
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#4 my_scan_weight_utf8mb3_general_ci (end=0xa8 <error: Cannot access memory at address 0xa8>, str=0x0, weight=<synthetic pointer>) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/strings/strcoll.inl:99
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#5 my_scan_weight_utf8mb3_general_ci (end=0xa8 <error: Cannot access memory at address 0xa8>, str=0x0, weight=<synthetic pointer>) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/strings/strcoll.inl:90
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#6 my_strnncollsp_utf8mb3_general_ci (cs=<optimized out>, a=0x7f30ec033e30 "ALTER_EVENT_145", a_length=<optimized out>, b=0x0, b_length=<optimized out>)
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at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/strings/strcoll.inl:256
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#7 0x000055b34fd4adea in event_basic_identifier_equal (db=db@entry=0x7f30ec033ad0, name=name@entry=0x7f30ec033ae0, b=b@entry=0x7f30bc021f40) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/event_data_objects.cc:1614
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#8 0x000055b34fffec23 in Event_queue::find_n_remove_event (this=this@entry=0x55b35463b910, db=db@entry=0x7f30ec033ad0, name=name@entry=0x7f30ec033ae0)
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at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/event_queue.cc:427
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#9 0x000055b34ffff08a in Event_queue::update_event (this=0x55b35463b910, thd=0x7f30ec001198, dbname=0x7f30ec033ad0, name=0x7f30ec033ae0, new_element=0x0)
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at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/event_queue.cc:265
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#10 0x000055b34fd4c039 in Events::update_event (thd=thd@entry=0x7f30ec001198, parse_data=0x7f30ec033ab8, new_dbname=<optimized out>, new_name=<optimized out>)
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at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/events.cc:551
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#11 0x000055b34fc67371 in mysql_execute_command (thd=0x7f30ec001198) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_parse.cc:5328
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#12 0x000055b34fc679aa in mysql_parse (thd=thd@entry=0x7f30ec001198, rawbuf=<optimized out>, length=<optimized out>, parser_state=parser_state@entry=0x7f3210499510, is_com_multi=is_com_multi@entry=false,
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is_next_command=is_next_command@entry=false) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_parse.cc:8174
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#13 0x000055b34fc692eb in dispatch_command (command=COM_QUERY, thd=0x7f30ec001198, packet=<optimized out>, packet_length=<optimized out>, is_com_multi=<optimized out>, is_next_command=<optimized out>)
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at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_class.h:1290
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#14 0x000055b34fc6ae33 in do_command (thd=0x7f30ec001198) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_parse.cc:1377
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#15 0x000055b34fd66861 in do_handle_one_connection (connect=<optimized out>, connect@entry=0x55b35464d698, put_in_cache=put_in_cache@entry=true) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_connect.cc:1419
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#16 0x000055b34fd66ced in handle_one_connection (arg=arg@entry=0x55b35464d698) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/sql/sql_connect.cc:1313
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#17 0x000055b3500ee9ab in pfs_spawn_thread (arg=0x55b35464d708) at /data/fuxi_ci_workspace/6386108bbca18277f790c3ff/storage/perfschema/pfs.cc:2201
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#18 0x00007f32b03cdf3b in ?? () from /usr/lib64/libpthread.so.0
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#19 0x00007f32b0305840 in clone () from /usr/lib64/libc.so.6
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