encryption.create_or_replace fails in buildbot on P8 builders

encryption.create_or_replace 'ctr,xtradb' w4 [ fail ]  timeout after 900 seconds

        Test ended at 2015-07-16 23:21:15

Test case timeout after 900 seconds

== /home/buildbot/maria-slave/power8-vlp06-bintar/build/mysql-test/var/4/log/create_or_replace.log == 

SET default_storage_engine = InnoDB;

CREATE TABLE t1 (pk INT PRIMARY KEY, c VARCHAR(256));

CREATE TABLE t2 AS SELECT * FROM t1;

drop table t1,t2;

SET GLOBAL innodb_encryption_threads = 0;

SET GLOBAL innodb_encryption_threads = 4;

CREATE TABLE `table10_int_autoinc` (`col_int_key` int, pk int auto_increment, `col_int` int, key (`col_int_key` ),primary key (pk)) engine=innodb;

INSERT /*! IGNORE */ INTO table10_int_autoinc VALUES  (NULL, NULL, -474021888) ,  (1, NULL, NULL) ,  (1141047296, NULL, NULL) ,  (NULL, NULL, NULL) ,  (NULL, NULL, 1) ,  (NULL, NULL, 9) ,  (0, NULL, 1225785344) ,  (NULL, NULL, 1574174720) ,  (2, NULL, NULL) ,  (6, NULL, 3);

CREATE TABLE `table1_int_autoinc` (`col_int_key` int, pk int auto_increment, `col_int` int,key (`col_int_key` ), primary key (pk)) engine=innodb;

CREATE TABLE `table0_int_autoinc` (`col_int_key` int, pk int auto_increment, `col_int` int, key (`col_int_key` ),primary key (pk)) engine=innodb;

INSERT /*! IGNORE */ INTO table1_int_autoinc VALUES  (4, NULL, NULL);

INSERT IGNORE INTO `table0_int_autoinc` ( `col_int_key` ) VALUES ( 1 ), ( 3 ), ( 4 ), ( 1 );

INSERT IGNORE INTO `table1_int_autoinc` ( `col_int` ) VALUES ( 1 ), ( 0 ), ( 7 ), ( 9 );

INSERT IGNORE INTO `table10_int_autoinc` ( `col_int` ) VALUES ( 6 ), ( 2 ), ( 3 ), ( 6 );

 == /home/buildbot/maria-slave/power8-vlp06-bintar/build/mysql-test/var/4/tmp/analyze-timeout-mysqld.1.err ==

mysqltest: Could not open connection 'default' after 500 attempts: 2002 Can't connect to local MySQL server through socket '/home/buildbot/maria-slave/power8-vlp06-bintar/build/mysql-test/var/tmp/4/mysqld.1.sock' (111 "Connection refused")