galera.MW-328A failed in buildbot with wrong result or timeout

galera.MW-328A 'xtradb'                  w1 [ fail ]

        Test ended at 2017-09-18 09:06:01

CURRENT_TEST: galera.MW-328A

--- /usr/share/mysql/mysql-test/suite/galera/r/MW-328A.result	2017-09-17 07:21:02.000000000 -0400

+++ /dev/shm/var/1/log/MW-328A.reject	2017-09-18 09:06:01.106345871 -0400

@@ -14,7 +14,7 @@

 have_successes

 1

 have_deadlocks

-1

+0

 Got one of the listed errors

 DROP PROCEDURE proc_update;

 DROP TABLE t1, t2;

mysqltest: Result content mismatch

galera.MW-328A 'innodb'                  w1 [ fail ]  timeout after 900 seconds

        Test ended at 2017-10-26 03:20:30

Test case timeout after 900 seconds

== /dev/shm/var/1/log/MW-328A.log == 

CREATE TABLE t1 (f1 INTEGER AUTO_INCREMENT PRIMARY KEY, f2 CHAR(20) DEFAULT 'abc') ENGINE=InnoDB;

INSERT INTO t1 (f1) VALUES (1);

CREATE TABLE t2 (f1 CHAR(20)) ENGINE=InnoDB;

CREATE PROCEDURE proc_update ()

BEGIN

DECLARE CONTINUE HANDLER FOR SQLEXCEPTION BEGIN END;

SET SESSION wsrep_sync_wait = 0;

WHILE 1 DO

UPDATE t1 SET f2 = LEFT(MD5(RAND()), 4);

END WHILE;

END|

connect node_1X, 127.0.0.1, root, , test, $NODE_MYPORT_1;

connection node_1X;

CALL proc_update();;

connection node_2;

SET SESSION wsrep_retry_autocommit = 0;