Test rpl.rpl_init_slave_errors crashes server intermittently

[Laurynas Biveinis]

On 5.5 trunk:

rpl.rpl_init_slave_errors 'mix' w2 [ fail ]
        Test ended at 2016-10-31 08:06:57

CURRENT_TEST: rpl.rpl_init_slave_errors
mysqltest: In included file "./include/wait_for_slave_param.inc":
included from ./include/wait_for_slave_param.inc at line 115:
included from ./include/wait_for_slave_sql_error.inc at line 41:
At line 115: query 'let $_show_slave_status_value= query_get_value("SHOW SLAVE STATUS", $slave_param, 1)' failed: 2013: Lost connection to MySQL server during query

The result from queries just before the failure was:
include/master-slave.inc
[connection master]
stop slave;
reset slave;
SET GLOBAL debug= "d,simulate_io_slave_error_on_init,simulate_sql_slave_error_on_init";
start slave;
include/wait_for_slave_sql_error.inc [errno=1593]
Last_SQL_Error = 'Failed during slave thread initialization'
call mtr.add_suppression("Failed during slave.* thread initialization");
SET GLOBAL debug= "";
reset slave;
SET GLOBAL init_slave= "garbage";
start slave;
include/wait_for_slave_sql_error.inc [errno=1064]
safe_process[23134]: Child process: 23135, exit: 1
...
161031 15:06:57 [ERROR] Slave SQL: Failed during slave thread initialization, Error_code: 1593
mysqld: /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc:894: bool io_slave_killed(THD*, Master_info*): Assertion `mi->io_thd == thd' failed.
12:06:57 UTC - mysqld got signal 6 ;
...
Program terminated with signal SIGABRT, Aborted.
#0 __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
62 ../sysdeps/unix/sysv/linux/pthread_kill.c: No such file or directory.
[Current thread is 1 (Thread 0x7f8e103e1700 (LWP 23161))]
#0 __pthread_kill (threadid=<optimized out>, signo=signo@entry=6) at ../sysdeps/unix/sysv/linux/pthread_kill.c:62
#1 0x0000000000808653 in my_write_core (sig=sig@entry=6) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/mysys/stacktrace.c:433
#2 0x00000000006c5df3 in handle_fatal_signal (sig=6) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/signal_handler.cc:250
#3 <signal handler called>
#4 0x00007f8e13af3428 in __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:54
#5 0x00007f8e13af502a in __GI_abort () at abort.c:89
#6 0x00007f8e13aebbd7 in __assert_fail_base (fmt=<optimized out>, assertion=assertion@entry=0xab0751 "mi->io_thd == thd", file=file@entry=0xab13f0 "/mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc", line=line@entry=894, function=function@entry=0xab4de0 <io_slave_killed(THD*, Master_info*)::__PRETTY_FUNCTION__> "bool io_slave_killed(THD*, Master_info*)") at assert.c:92
#7 0x00007f8e13aebc82 in __GI___assert_fail (assertion=assertion@entry=0xab0751 "mi->io_thd == thd", file=file@entry=0xab13f0 "/mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc", line=line@entry=894, function=function@entry=0xab4de0 <io_slave_killed(THD*, Master_info*)::__PRETTY_FUNCTION__> "bool io_slave_killed(THD*, Master_info*)") at assert.c:101
#8 0x000000000051fde1 in io_slave_killed (mi=0x1d718e0, thd=0x7f8de0000a70) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc:894
#9 connect_to_master (thd=thd@entry=0x7f8de0000a70, mysql=mysql@entry=0x7f8de0012ee0, mi=mi@entry=0x1d718e0, reconnect=reconnect@entry=false, suppress_warnings=<optimized out>, suppress_warnings@entry=false) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc:4367
#10 0x000000000052a311 in safe_connect (mi=0x1d718e0, mysql=0x7f8de0012ee0, thd=0x7f8de0000a70) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc:4287
#11 handle_slave_io (arg=arg@entry=0x1d718e0) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/sql/slave.cc:2890
#12 0x00000000008219fa in pfs_spawn_thread (arg=0x7f8df4055b80) at /mnt/workspace/percona-server-5.5-trunk/BUILD_TYPE/debug/Host/ubuntu-xenial-64bit/storage/perfschema/pfs.cc:1015
#13 0x00007f8e1500270a in start_thread (arg=0x7f8e103e1700) at pthread_create.c:333
#14 0x00007f8e13bc482d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:109

[Laurynas Biveinis (laurynas-biveinis)]

     https://github.com/percona/percona-server/pull/1157
     https://github.com/percona/percona-server/pull/1158
     https://github.com/percona/percona-server/pull/1159

[Shahriyar Rzayev (rzayev-sehriyar)]

Percona now uses JIRA for bug reports so this bug report is migrated to: https://jira.percona.com/browse/PS-3593