InnoDB: Assertion failure in row0sel.cc line 3961

2020-11-06 12:26:46 0x7f0cf417a700  InnoDB: Assertion failure in file /home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.5.6/storage/innobase/row/row0sel.cc line 3961

InnoDB: We intentionally generate a memory trap.

InnoDB: Submit a detailed bug report to https://jira.mariadb.org/

InnoDB: If you get repeated assertion failures or crashes, even

InnoDB: immediately after the mysqld startup, there may be

InnoDB: corruption in the InnoDB tablespace. Please refer to

InnoDB: https://mariadb.com/kb/en/library/innodb-recovery-modes/

InnoDB: about forcing recovery.

201106 12:26:46 [ERROR] mysqld got signal 6 ;

This could be because you hit a bug. It is also possible that this binary

or one of the libraries it was linked against is corrupt, improperly built,

or misconfigured. This error can also be caused by malfunctioning hardware.

To report this bug, see https://mariadb.com/kb/en/reporting-bugs

We will try our best to scrape up some info that will hopefully help

diagnose the problem, but since we have already crashed, 

something is definitely wrong and this may fail.

Server version: 10.5.6-MariaDB-log

key_buffer_size=134217728

read_buffer_size=131072

max_used_connections=19

max_threads=153

thread_count=20

It is possible that mysqld could use up to 

key_buffer_size + (read_buffer_size + sort_buffer_size)*max_threads = 467800 K  bytes of memory

Hope that's ok; if not, decrease some variables in the equation.

Thread pointer: 0x7f0ccc0009b8

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 = 0x7f0cf4179c90 thread_stack 0x49000

2020-11-06 12:26:46 43487 [Warning] Aborted connection 43484 to db: 'redcap' user: 'redcapsystem' host: 'xxx' (KILLED)

2020-11-06 12:26:46 43484 [Warning] Aborted connection 43484 to db: 'redcap' user: 'redcapsystem' host: 'xxx' (This connection closed normally)

/usr/sbin/mariadbd(my_print_stacktrace+0x2e)[0x564dc9a840ae]

2020-11-06 12:26:46 43488 [Warning] Aborted connection 43487 to db: 'redcap' user: 'redcapsystem' host: 'xxx' (KILLED)

2020-11-06 12:26:46 43487 [Warning] Aborted connection 43487 to db: 'redcap' user: 'redcapsystem' host: 'xxx' (This connection closed normally)

/usr/sbin/mariadbd(handle_fatal_signal+0x307)[0x564dc94855d7]

/lib64/libpthread.so.0(+0xf630)[0x7f1872d76630]

/lib64/libc.so.6(gsignal+0x37)[0x7f1870dd0387]

:0(__GI_raise)[0x7f1870dd1a78]

/usr/sbin/mariadbd(+0x64c5b7)[0x564dc91635b7]

/usr/sbin/mariadbd(+0x64a45b)[0x564dc916145b]

/usr/sbin/mariadbd(+0xd4d94c)[0x564dc986494c]

??:0(void std::__introsort_loop<unsigned char**, long>(unsigned char**, unsigned char**, long))[0x564dc976ed75]

??:0(wsrep_notify_status(wsrep::server_state::state, wsrep::view const*))[0x564dc948bc47]

??:0(handler::ha_index_prev(unsigned char*))[0x564dc92c05fe]

??:0(sub_select(JOIN*, st_join_table*, bool))[0x564dc92b5c15]

??:0(JOIN::exec_inner())[0x564dc92e457f]

??:0(JOIN::exec())[0x564dc92e47e3]

??:0(mysql_select(THD*, TABLE_LIST*, List<Item>&, Item*, unsigned int, st_order*, st_order*, Item*, st_order*, unsigned long long, select_result*, st_select_lex_unit*, st_select_lex*))[0x564dc92e29a6]

??:0(handle_select(THD*, LEX*, select_result*, unsigned long))[0x564dc92e350c]

/usr/sbin/mariadbd(+0x63340a)[0x564dc914a40a]

??:0(mysql_execute_command(THD*))[0x564dc92895d5]

??:0(mysql_parse(THD*, char*, unsigned int, Parser_state*, bool, bool))[0x564dc928c4da]

??:0(dispatch_command(enum_server_command, THD*, char*, unsigned int, bool, bool))[0x564dc928e84d]

??:0(do_command(THD*))[0x564dc928ffeb]

??:0(do_handle_one_connection(CONNECT*, bool))[0x564dc9378b02]

??:0(handle_one_connection)[0x564dc9378db4]

??:0(MyCTX_nopad::finish(unsigned char*, unsigned int*))[0x564dc96cd27d]

2020-11-06 12:26:47 43489 [Warning] Aborted connection 43489 to db: 'redcap' user: 'redcapsystem' host: 'xxx' (This connection closed normally)

/lib64/libpthread.so.0(+0x7ea5)[0x7f1872d6eea5]

/lib64/libc.so.6(clone+0x6d)[0x7f1870e988dd]

Trying to get some variables.

Some pointers may be invalid and cause the dump to abort.

Query (0x7f0ccc025320): select v.log_view_id, r.mysql_process_id from redcap_log_view_requests r, redcap_log_view v                  where v.log_view_id = r.log_view_id and r.script_execution_time is null                  and r.ui_id = 3201 and v.ts > '2020-11-06 12:21:45' and v.session_id = 'lvvir0tcv2fe6ern7atovcln4t'                 and v.page = 'DataEntry/search.php' and r.mysql_process_id != '43486'                 order by v.log_view_id desc

Connection ID (thread ID): 43486

Status: KILL_CONNECTION

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

The manual page at https://mariadb.com/kb/en/how-to-produce-a-full-stack-trace-for-mysqld/ contains

information that should help you find out what is causing the crash.

Writing a core file...

Working directory at /dbase/mysql

Resource Limits:

Limit                     Soft Limit           Hard Limit           Units     

Max cpu time              unlimited            unlimited            seconds   

Max file size             unlimited            unlimited            bytes     

Max data size             unlimited            unlimited            bytes     

Max stack size            8388608              unlimited            bytes     

Max core file size        0                    unlimited            bytes     

Max resident set          unlimited            unlimited            bytes     

Max processes             256900               256900               processes 

Max open files            35840                35840                files     

Max locked memory         65536                65536                bytes     

Max address space         unlimited            unlimited            bytes     

Max file locks            unlimited            unlimited            locks     

Max pending signals       256900               256900               signals   

Max msgqueue size         819200               819200               bytes     

Max nice priority         0                    0                    

Max realtime priority     0                    0                    

Max realtime timeout      unlimited            unlimited            us        

Core pattern: core