main.symlink-myisam-11902 failed in buildbot with error 40 from storage engine

main.symlink-myisam-11902                w2 [ fail ]

        Test ended at 2018-01-25 02:08:33

CURRENT_TEST: main.symlink-myisam-11902

mysqltest: At line 54: query 'reap' failed with wrong errno 1030: 'Got error 40 from storage engine', instead of 1017...

The result from queries just before the failure was:

< snip >

set debug_sync='now WAIT_FOR ok';

set debug_sync='now SIGNAL go';

ERROR HY000: File 'MYSQLTEST_VARDIR/tmp/foo/t1.MYD' not found (Errcode: 40)

flush tables;

drop table if exists t1;

create table t1 (a int, b char(16), index (a))

index directory="MYSQLTEST_VARDIR/tmp/foo";

insert t1 values (200, 'some'),(201,'some');

explain select a from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t1	index	NULL	a	5	NULL	2	Using index

select a from t1;

a

200

201

flush tables;

set debug_sync='mi_open_kfile SIGNAL waiting WAIT_FOR run';

select a from t1;

set debug_sync='now WAIT_FOR waiting';

set debug_sync='now SIGNAL run';

More results from queries before failure can be found in /opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/var/2/log/symlink-myisam-11902.log

 - skipping '/opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/var/2/log/main.symlink-myisam-11902/'

Retrying test main.symlink-myisam-11902, attempt(2/3)...

main.symlink-aria-11902                  w2 [ fail ]

        Test ended at 2018-01-25 02:08:32

CURRENT_TEST: main.symlink-aria-11902

mysqltest: In included file "/opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/t/symlink-myisam-11902.test": 

included from /opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/t/symlink-aria-11902.test at line 6:

At line 54: query 'reap' failed with wrong errno 1030: 'Got error 40 from storage engine', instead of 1017...

The result from queries just before the failure was:

< snip >

set debug_sync='now WAIT_FOR ok';

set debug_sync='now SIGNAL go';

ERROR HY000: File 'MYSQLTEST_VARDIR/tmp/foo/t1.MAD' not found (Errcode: 40)

flush tables;

drop table if exists t1;

create table t1 (a int, b char(16), index (a))

index directory="MYSQLTEST_VARDIR/tmp/foo";

insert t1 values (200, 'some'),(201,'some');

explain select a from t1;

id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra

1	SIMPLE	t1	index	NULL	a	5	NULL	2	Using index

select a from t1;

a

200

201

flush tables;

set debug_sync='mi_open_kfile SIGNAL waiting WAIT_FOR run';

select a from t1;

set debug_sync='now WAIT_FOR waiting';

set debug_sync='now SIGNAL run';

More results from queries before failure can be found in /opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/var/2/log/symlink-aria-11902.log

 - skipping '/opt/buildbot-slave/mariadb/starfsmenn1/build/mysql-test/var/2/log/main.symlink-aria-11902/'

Retrying test main.symlink-aria-11902, attempt(2/3)...