innodb.innodb_defrag_concurrent 'xtradb' w1 [ fail ]

        Test ended at 2016-11-22 05:19:14

CURRENT_TEST: innodb.innodb_defrag_concurrent

mysqltest: At line 85: query 'reap' failed: 2013: Lost connection to MySQL server during query

The result from queries just before the failure was:

< snip >

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name  in ('n_pages_freed');

count(stat_value) > 0

0

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name  in ('n_page_split');

count(stat_value) > 0

1

select count(stat_value) > 0 from mysql.innodb_index_stats where table_name like '%t1%' and  stat_name  in ('n_leaf_pages_defrag');

count(stat_value) > 0

1

connection con1;

optimize table t1;;

connection default;

INSERT INTO t1 VALUES (400000, REPEAT('A', 256),300000);;

connection con2;

INSERT INTO t1 VALUES (500000, REPEAT('A', 256),400000);;

connection con3;

DELETE FROM t1 where a between 1 and 100;;

connection con4;

UPDATE t1 SET c = c + 1 where c between 2000 and 8000;;

connection con1;

Version: '10.2.3-MariaDB-debug-log'  socket: '/mnt/buildbot/build/mariadb-10.2.3/mysql-test/var/tmp/1/mysqld.1.sock'  port: 16000  Source distribution

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

DEADLOCK of threads detected!

rw-lock 0xb0cd5854 --Thread 2848327488 has waited at btr0cur.cc line 6332 for 0.00 seconds the semaphore:

S-lock on RW-latch at 0xb0cd5854 created in file buf0buf.cc line 1504

a writer (thread id 2792340288) has reserved it in mode  exclusive

number of readers 0, waiters flag 1, lock_word: dfffffe4

Last time read locked in file btr0cur.cc line 6332

Last time write locked in file /home/buildbot/buildbot/build/mariadb-10.2.3/storage/innobase/btr/btr0cur.cc line 1915

Locked: thread 2792340288 file btr0cur.cc line 1915  X-LOCK

rw-lock 0xb0cf892c --Thread 2792340288 has waited at btr0cur.cc line 1915 for 0.00 seconds the semaphore:

X-lock (wait_ex) on RW-latch at 0xb0cf892c created in file buf0buf.cc line 1504

a writer (thread id 2792340288) has reserved it in mode  wait exclusive

number of readers 1, waiters flag 0, lock_word: efffffff

Last time read locked in file btr0cur.cc line 6332

Last time write locked in file /home/buildbot/buildbot/build/mariadb-10.2.3/storage/innobase/btr/btr0btr.cc line 174

Locked: thread 2848327488 file btr0cur.cc line 6332  S-LOCK

Locked: thread 2848327488 file btr0cur.cc line 6332  S-LOCK

2016-11-22  5:19:04 2792340288 [ERROR] [FATAL] InnoDB: ######################################## Deadlock Detected!

2016-11-22 05:19:04 0xa66fbb40  InnoDB: Assertion failure in thread 2792340288 in file ut0ut.cc line 949

InnoDB: We intentionally generate a memory trap.

InnoDB: Submit a detailed bug report to http://bugs.mysql.com.

InnoDB: If you get repeated assertion failures or crashes, even

InnoDB: immediately after the mysqld startup, there may be

InnoDB: corruption in the InnoDB tablespace. Please refer to

InnoDB: http://dev.mysql.com/doc/refman/5.7/en/forcing-innodb-recovery.html

InnoDB: about forcing recovery.

161122  5:19:04 [ERROR] mysqld got signal 6 ;

This could be because you hit a bug. It is also possible that this binary

or one of the libraries it was linked against is corrupt, improperly built,

or misconfigured. This error can also be caused by malfunctioning hardware.