#
# Make sure pending LOCK TABLES doesn't block BACKUP STAGE
#
CREATE TABLE t1(a INT);
LOCK TABLE t1 READ;
#
connect  con1,localhost,root,,;
SET DEBUG_SYNC= 'mdl_acquire_lock_wait SIGNAL ready';
LOCK TABLE t1 WRITE;
#
connect  con2,localhost,root,,;
SET DEBUG_SYNC= 'now WAIT_FOR ready';
BACKUP STAGE START;
BACKUP STAGE FLUSH;
BACKUP STAGE BLOCK_DDL;
BACKUP STAGE END;
disconnect con2;
#
connection default;
UNLOCK TABLES;
#
connection con1;
UNLOCK TABLES;
disconnect con1;
#
connection default;
DROP TABLE t1;
SET DEBUG_SYNC= 'RESET';