http://buildbot.askmonty.org/buildbot/builders/kvm-bintar-trusty-amd64/builds/3212/steps/test/logs/stdio
main.index_merge_innodb 'xtradb' w2 [ fail ]
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Test ended at 2017-10-24 20:53:56
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CURRENT_TEST: main.index_merge_innodb
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mysqltest: At line 66: query 'INSERT INTO t1(a,b) SELECT a,b FROM t1' failed: 2013: Lost connection to MySQL server during query
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…
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----------SERVER LOG START-----------
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2017-10-24 20:53:56 7fdac6ba6700 InnoDB: Assertion failure in thread 140577613702912 in file os0file.cc line 5128
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InnoDB: Failing assertion: slot != NULL
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The failing assertion is in os_aio_linux_collect():
/* Initialize the events. The timeout value is arbitrary.
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We probably need to experiment with it a little. */
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memset(events, 0, sizeof(*events) * seg_size);
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timeout.tv_sec = 0;
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timeout.tv_nsec = OS_AIO_REAP_TIMEOUT;
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ret = io_getevents(io_ctx, 1, seg_size, events, &timeout);
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if (ret > 0) {
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for (i = 0; i < ret; i++) {
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os_aio_slot_t* slot;
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struct iocb* control;
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control = (struct iocb*) events[i].obj;
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ut_a(control != NULL);
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slot = (os_aio_slot_t*) control->data;
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/* Some sanity checks. */
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ut_a(slot != NULL);
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Bug
Major