galera.galera_FK_duplicate_client_insert 'innodb' w2 [ retry-fail ]

        Test ended at 2020-09-29 14:21:13

CURRENT_TEST: galera.galera_FK_duplicate_client_insert

mysqltest: At line 101: query 'commit' failed with wrong errno 2013: 'Lost connection to MySQL server during query', instead of 0...

The result from queries just before the failure was:

< snip >

connection node_1_u;

commit;

connection node_1;

truncate user_session;

set debug_sync = reset;

connection node_1_u;

begin;

update user set j = j + 1 WHERE id > 0;

connection node_1_i;

set debug_sync='lock_wait_suspend_thread_enter SIGNAL ins_waiting WAIT_FOR cont_ins';

insert into user_session(id,fk1,fk2) values (2, 2, 2);

connection node_1;

set debug_sync='now WAIT_FOR ins_waiting';

connection node_2_i;

insert into user_session(id,fk1,fk2) values (2, 2, 3);

connection node_1;

set debug_sync='now SIGNAL cont_ins';

connection node_1_i;

connection node_1_u;

commit;

More results from queries before failure can be found in /dev/shm/var/2/log/galera_FK_duplicate_client_insert.log

Server [mysqld.1 - pid: 6884, winpid: 6884, exit: 256] failed during test run

Server log from this test:

----------SERVER LOG START-----------

2020-09-29 14:20:57 1 [ERROR] InnoDB: Conflicting lock on table: `test`.`user` index: PRIMARY that has lock 

RECORD LOCKS space id 35 page no 3 n bits 72 index PRIMARY of table `test`.`user` trx id 369 lock mode S locks rec but not gap

Record lock, heap no 3 PHYSICAL RECORD: n_fields 4; compact format; info bits 0

 0: len 4; hex 80000002; asc     ;;

 1: len 6; hex 000000000000; asc       ;;

 2: len 7; hex 80000000000000; asc        ;;

 3: len 4; hex 80000000; asc     ;;

2020-09-29 14:20:57 1 [ERROR] InnoDB: WSREP state: 

2020-09-29 14:20:57 1 [ERROR] WSREP: Thread BF trx_id: 372 thread: 1 seqno: 78 client_state: exec client_mode: high priority transaction_mode: replaying applier: 1 toi: 0 local: 0 query: update user set j = j + 1 WHERE id > 0�Bs_

2020-09-29 14:20:57 1 [ERROR] WSREP: Thread BF trx_id: 369 thread: 2 seqno: 77 client_state: exec client_mode: high priority transaction_mode: executing applier: 1 toi: 0 local: 0 query: insert into user_session(id,fk1,fk2) values (2, 2, 3)�Bs_

2020-09-29 14:20:57 0x7fbbf83b1700  InnoDB: Assertion failure in file /home/buildbot/buildbot/padding_for_CPACK_RPM_BUILD_SOURCE_DIRS_PREFIX/mariadb-10.5.6/storage/innobase/lock/lock0lock.cc line 655