210813 9:03:30 [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: 10.5.12-MariaDB-1:10.5.12+maria~focal-log
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key_buffer_size=134217728
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read_buffer_size=131072
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max_used_connections=11
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max_threads=153
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thread_count=14
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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 = 467871 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: 0x7f29e8000c58
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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 = 0x7f2a41491d58 thread_stack 0x49000
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mysqld(my_print_stacktrace+0x32)[0x55b96c8b73a2]
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Printing to addr2line failed
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mysqld(handle_fatal_signal+0x485)[0x55b96c30a0b5]
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/lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f2a595623c0]
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mysqld(my_string_metadata_get+0x1e)[0x55b96c90721e]
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mysqld(_ZN10Item_param17convert_str_valueEP3THD+0xdf)[0x55b96c32f26f]
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mysqld(+0x779347)[0x55b96c10b347]
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mysqld(_ZN18Prepared_statement14set_parametersEP6StringPhS2_+0x6f)[0x55b96c10f96f]
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mysqld(_ZN18Prepared_statement12execute_loopEP6StringbPhS2_+0x3a)[0x55b96c110a7a]
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mysqld(+0x77f735)[0x55b96c111735]
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mysqld(_Z19mysqld_stmt_executeP3THDPcj+0x30)[0x55b96c111950]
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mysqld(_Z16dispatch_command19enum_server_commandP3THDPcjbb+0x1acf)[0x55b96c0f847f]
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mysqld(_Z10do_commandP3THD+0x11c)[0x55b96c0fa30c]
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mysqld(_Z24do_handle_one_connectionP7CONNECTb+0x421)[0x55b96c200a61]
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mysqld(handle_one_connection+0x5d)[0x55b96c200edd]
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mysqld(+0xbd0a36)[0x55b96c562a36]
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/lib/x86_64-linux-gnu/libpthread.so.0(+0x9609)[0x7f2a59556609]
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/lib/x86_64-linux-gnu/libc.so.6(clone+0x43)[0x7f2a59144293]
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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 (0x0): (null)
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Connection ID (thread ID): 11
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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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We think the query pointer is invalid, but we will try to print it anyway.
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Query:
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Writing a core file...
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Working directory at /var/lib/mysql
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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 unlimited unlimited processes
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Max open files 1024 1024 files
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Max locked memory 65536 65536 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 127158 127158 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: |/usr/lib/systemd/systemd-coredump %P %u %g %s %t %c %h
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