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The following test case, if it's run with slave-parallel-threads=1 or greater, either hangs on SELECT MASTER_POS_WAIT, or causes an assertion failure (sometimes it passes, then it might crash with MDEV-5195, so try it several times).
--source include/master-slave.inc
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--source include/have_binlog_format_row.inc
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--connection slave
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--source include/stop_slave.inc
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--connection master
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DROP TABLE IF EXISTS t1;
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CREATE TABLE t1 (i INT);
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INSERT INTO t1 VALUES (1),(2),(3),(4),(5),(6),(7),(8);
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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INSERT INTO t1 SELECT * FROM t1;
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DROP TABLE t1;
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FLUSH LOGS;
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let $file = query_get_value(SHOW BINARY LOGS,Log_name,1);
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let $pos = query_get_value(SHOW BINARY LOGS,File_size,1);
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--connection slave
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--source include/start_slave.inc
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eval SELECT MASTER_POS_WAIT('$file',$pos);
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--source include/rpl_end.inc
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Assertion failure:
mysqld: /home/elenst/bzr/10.0-knielsen/sql/rpl_parallel.cc:205: void* handle_rpl_parallel_thread(void*): Assertion `!thd->wait_for_commit_ptr' failed.
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131026 23:56:41 [ERROR] mysqld got signal 6 ;
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#0 __pthread_kill (threadid=<optimized out>, signo=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/pthread_kill.c:63
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#1 0x0000000000cefe78 in my_write_core (sig=6) at /home/elenst/bzr/10.0-knielsen/mysys/stacktrace.c:457
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#2 0x00000000007f2e70 in handle_fatal_signal (sig=6) at /home/elenst/bzr/10.0-knielsen/sql/signal_handler.cc:262
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#3 <signal handler called>
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#4 0x00007ffea31da425 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
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#5 0x00007ffea31ddb8b in __GI_abort () at abort.c:91
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#6 0x00007ffea31d30ee in __assert_fail_base (fmt=<optimized out>, assertion=0xda1db9 "!thd->wait_for_commit_ptr", file=0xda1d38 "/home/elenst/bzr/10.0-knielsen/sql/rpl_parallel.cc", line=<optimized out>, function=<optimized out>) at assert.c:94
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#7 0x00007ffea31d3192 in __GI___assert_fail (assertion=0xda1db9 "!thd->wait_for_commit_ptr", file=0xda1d38 "/home/elenst/bzr/10.0-knielsen/sql/rpl_parallel.cc", line=205, function=0xda1f00 "void* handle_rpl_parallel_thread(void*)") at assert.c:103
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#8 0x00000000007871d7 in handle_rpl_parallel_thread (arg=0x3033c68) at /home/elenst/bzr/10.0-knielsen/sql/rpl_parallel.cc:205
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#9 0x000000000099204e in pfs_spawn_thread (arg=0x3033e10) at /home/elenst/bzr/10.0-knielsen/storage/perfschema/pfs.cc:1015
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#10 0x00007ffea3fa3e9a in start_thread (arg=0x7ffe993b8700) at pthread_create.c:308
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#11 0x00007ffea3297cbd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:112
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#12 0x0000000000000000 in ?? ()
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bzr version-info
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revision-id: knielsen@knielsen-hq.org-20131025191714-lclqx9vuu5jrh24z
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revno: 3687
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branch-nick: 10.0-knielsen
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BUILD/compile-pentium-debug-max-no-ndb
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