main.host_cache_size_functionality failed in buildbot

main.host_cache_size_functionality 'xtradb' w2 [ fail ]

        Test ended at 2016-06-17 15:35:54

CURRENT_TEST: main.host_cache_size_functionality

mysqltest: At line 52: mysql_shutdown failed

The result from queries just before the failure was:

'#________________________VAR_06_Host_Cache_Size__________________#'

echo '##'

--echo '#---------------------WL6372_VAR_6_01----------------------#'

####################################################################

#   Checking default value                                         #

####################################################################

SELECT COUNT(@@GLOBAL.Host_Cache_Size)

1 Expected

set @Default_host_cache_size=128;

select @@global.Host_Cache_Size=@Default_host_cache_size;

@@global.Host_Cache_Size=@Default_host_cache_size

1

1 Expected

'#---------------------WL6372_VAR_6_02----------------------#'

# Restart server with Host_Cache_Size 1

 - saving 'D:/win32-debug/build/mysql-test/var/2/log/main.host_cache_size_functionality-xtradb/' to 'D:/win32-debug/build/mysql-test/var/log/main.host_cache_size_functionality-xtradb/'

Retrying test main.host_cache_size_functionality, attempt(2/3)...

worker[2] > Restart  - not started

...

main.host_cache_size_functionality 'xtradb' w2 [ retry-pass ]  12492

10.0	33ac501b6a4aeab986c96bafa88a25b9	p8-rhel6-bintar-debug	2016-02-04 14:06:47	1281	nm	Normal run, no --ps-protocol	main.host_cache_size_functionality	xtradb

main.host_cache_size_functionality 'xtradb' w4 [ fail ]

        Test ended at 2016-02-04 08:01:46

CURRENT_TEST: main.host_cache_size_functionality

mysqltest: In included file "/home/buildbot/maria-slave/power8-vlp01-bintar-debug/build/mysql-test/include/wait_until_connected_again.inc": 

included from /home/buildbot/maria-slave/power8-vlp01-bintar-debug/build/mysql-test/t/host_cache_size_functionality.test at line 57:

At line 26: Server failed to restart

The result from queries just before the failure was:

'#________________________VAR_06_Host_Cache_Size__________________#'

echo '##'

--echo '#---------------------WL6372_VAR_6_01----------------------#'

####################################################################

#   Checking default value                                         #

####################################################################

SELECT COUNT(@@GLOBAL.Host_Cache_Size)

1 Expected

set @Default_host_cache_size=128;

select @@global.Host_Cache_Size=@Default_host_cache_size;

@@global.Host_Cache_Size=@Default_host_cache_size

1

1 Expected

'#---------------------WL6372_VAR_6_02----------------------#'

# Restart server with Host_Cache_Size 1

 - saving '/home/buildbot/maria-slave/power8-vlp01-bintar-debug/build/mysql-test/var/4/log/main.host_cache_size_functionality-xtradb/' to '/home/buildbot/maria-slave/power8-vlp01-bintar-debug/build/mysql-test/var/log/main.host_cache_size_functionality-xtradb/'