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https://issues.apache.org/jira/browse/KUDU-3096?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17104393#comment-17104393
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RuiChen commented on KUDU-3096:
-------------------------------
I fix it in patch [https://gerrit.cloudera.org/#/c/15899/] , and repeat to run
DebugUtilTest.TestThreadBlockingSignals 1000 times in my vm, all of tests
passed.
> debug-util-test failed sometimes on aarch64: Segmentation fault
> ---------------------------------------------------------------
>
> Key: KUDU-3096
> URL: https://issues.apache.org/jira/browse/KUDU-3096
> Project: Kudu
> Issue Type: Sub-task
> Reporter: huangtianhua
> Assignee: RuiChen
> Priority: Major
>
> I test kudu on aarch64 server based on https://gerrit.cloudera.org/#/c/14964/
> , the test debug-util-test failed sometimes, please see the detail info of
> gdb the core dump file: http://paste.openstack.org/show/791306/
> root@ubuntu:/home/jenkins/workspace/kudu/build/debug# ./bin/debug-util-test
> ......
> W0330 07:30:44.317989 27980 debug-util.cc:405] Leaking SignalData structure
> 0xaaaaf89ed260 after lost signal to thread 28015
> W0330 07:30:44.319747 27980 debug-util.cc:405] Leaking SignalData structure
> 0xaaaaf89ed280 after lost signal to thread 28015
> W0330 07:30:44.319774 27980 debug-util.cc:405] Leaking SignalData structure
> 0xaaaaf89ed2a0 after lost signal to thread 28015
> W0330 07:30:44.326023 27980 debug-util.cc:405] Leaking SignalData structure
> 0xaaaaf89ed2c0 after lost signal to thread 28015
> I0330 07:30:44.336513 27980 debug-util-test.cc:463] Timed out 1410 times
> I0330 07:30:44.336531 27980 debug-util-test.cc:464] Succeeded 13591 times
> [ OK ] DebugUtilTest.TestTimeouts (1002 ms)
> [----------] 9 tests from DebugUtilTest (3049 ms total)
> [----------] 4 tests from DifferentRaces/RaceTest
> [ RUN ] DifferentRaces/RaceTest.TestStackTraceRaces/0
> Segmentation fault (core dumped)
> root@ubuntu:/home/jenkins/workspace/kudu/build/debug# gdb bin/debug-util-test
> core.27980
> GNU gdb (Ubuntu 8.1-0ubuntu3.2) 8.1.0.20180409-git
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> This GDB was configured as "aarch64-linux-gnu".
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> Reading symbols from bin/debug-util-test...done.
> [New LWP 28016]
> [New LWP 27980]
> [New LWP 27981]
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".
> Core was generated by `./bin/debug-util-test'.
> Program terminated with signal SIGSEGV, Segmentation fault.
> #0 tcmalloc::Sampler::RecordAllocation (k=<optimized out>, this=<optimized
> out>)
> at
> /home/jenkins/workspace/kudu/thirdparty/src/gperftools-2.6.90/src/sampler.h:166
> 166 if (static_cast<size_t>(bytes_until_sample_) < k) {
> [Current thread is 1 (Thread 0xffff86a9b090 (LWP 28016))]
> Sometimes other tests like TestTimeouts are raise segmentation fault either,
> the gdb info are same, have no idea it related with gperftools? Maybe someone
> help us to fix this, thanks very much.
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