Description:
Instance manager test im_life_cycle fails randomly
How to repeat:
BUILD/compile-pentium64-debug-max
make test
As output we get:
im_life_cycle [ fail ]
Errors are (from /home/my/mysql-5.1/mysql-test/var/log/mysqltest-time) :
mysqltest: At line 144: query 'START INSTANCE mysqld2' failed: 3002: The instanc
e is already started
The im_life_cycle.log shows:
STOP INSTANCE mysqld2;
Success: the process has been stopped.
--------------------------------------------------------------------
-- 1.1.4.
--------------------------------------------------------------------
START INSTANCE mysqld3;
ERROR HY000: Unknown instance name
START INSTANCE mysqld1;
ERROR HY000: The instance is already started
--------------------------------------------------------------------
-- 1.1.5.
--------------------------------------------------------------------
STOP INSTANCE mysqld3;
ERROR HY000: Unknown instance name
--------------------------------------------------------------------
-- 1.1.6.
--------------------------------------------------------------------
Killing the process...
Waiting...
Success: the process was restarted.
SHOW INSTANCES;
instance_name state
mysqld1 online
mysqld2 online
--------------------------------------------------------------------
-- 1.1.7.
--------------------------------------------------------------------
START INSTANCE mysqld2;
............
The above indicates that there is a bug in the instance manager in that it thinks someting is closed which isn't.
im.err shows:
CURRENT_TEST: im_life_cycle
Error in my_thread_global_end(): 1 threads didn't exit
In pushbuild, we have also seen failures in the following bug assert in thread_registry.cc:
/* All threads must unregister */
DBUG_ASSERT(head.next == &head);
