/usr/lib/mysql-testsuite/r/percona_bug1405076.result is in percona-server-test-5.6 5.6.22-rel71.0-0ubuntu4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 | connection con1
SELECT GET_LOCK('foo', -1);
GET_LOCK('foo', -1)
1
SET debug_sync='mdl_lock_remove_ticket_m_rwlock_locked SIGNAL con1_blocked WAIT_FOR go NO_CLEAR_EVENT';
# sending SELECT RELEASE_LOCK('foo')
SELECT RELEASE_LOCK('foo');
connection con2
SET debug_sync='mdl_map_partition_get_lock_owner_m_mutex_locked SIGNAL con2_blocked WAIT_FOR go NO_CLEAR_EVENT';
# sending SELECT RELEASE_LOCK('foo')
SELECT RELEASE_LOCK('foo');;
connection default
SET debug_sync='now WAIT_FOR con1_blocked';
SET debug_sync='now WAIT_FOR con2_blocked';
SET debug_sync='now SIGNAL go';
connection con1
RELEASE_LOCK('foo')
1
connection con2
RELEASE_LOCK('foo')
NULL
connection default
SET debug_sync='RESET';
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