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From "Timothy St. Clair (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MESOS-1037) Exited child process status
Date Thu, 27 Feb 2014 19:35:22 GMT

    [ https://issues.apache.org/jira/browse/MESOS-1037?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13914951#comment-13914951
] 

Timothy St. Clair commented on MESOS-1037:
------------------------------------------

Ahh, that makes perfect sense then.   

> Exited child process status
> ---------------------------
>
>                 Key: MESOS-1037
>                 URL: https://issues.apache.org/jira/browse/MESOS-1037
>             Project: Mesos
>          Issue Type: Bug
>          Components: libprocess
>    Affects Versions: 0.17.0
>         Environment: Fedora 20 - Linux 3.12.10-300.fc20.x86_64 #1 SMP Thu Feb 6 22:11:48
UTC 2014 x86_64 x86_64 x86_64 GNU/Linux
>            Reporter: Timothy St. Clair
>            Assignee: Timothy St. Clair
>
> During initial packaging I had turned a blind-eye to some failing tests.  Upon further
investigation there appears to be an issue with how processes are reaped on (F20 ) 
> It appears that there is a status call on the /proc entry of a child process before waitpid
is called, in my env the entry is gone, and the tests yield the following:  
> [----------] 3 tests from Reap
> [ RUN      ] Reap.NonChildProcess
> libprocess/tests/reap_tests.cpp:84: Failure
> status.get() is NONE
> [  FAILED  ] Reap.NonChildProcess (42 ms)
> [ RUN      ] Reap.ChildProcess
> libprocess/tests/reap_tests.cpp:123: Failure
> status.get() is NONE
> [  FAILED  ] Reap.ChildProcess (31 ms)
> [ RUN      ] Reap.TerminatedChildProcess
> libprocess/tests/reap_tests.cpp:150: Failure
> process is NONE
> Process 18856 reaped unexpectedly
> [  FAILED  ] Reap.TerminatedChildProcess (3 ms)
> [----------] 3 tests from Reap (76 ms total)
> [----------] 4 tests from Subprocess
> [ RUN      ] Subprocess.status
> libprocess/tests/subprocess_tests.cpp:40: Failure
> s.get().status().get() is NONE
> [  FAILED  ] Subprocess.status (30 ms)
> [ RUN      ] Subprocess.output
> libprocess/tests/subprocess_tests.cpp:129: Failure
> s.get().status().get() is NONE
> [  FAILED  ] Subprocess.output (31 ms)
> [ RUN      ] Subprocess.input
> libprocess/tests/subprocess_tests.cpp:182: Failure
> s.get().status().get() is NONE
> [  FAILED  ] Subprocess.input (31 ms)
> [ RUN      ] Subprocess.splice
> libprocess/tests/subprocess_tests.cpp:221: Failure
> s.get().status().get() is NONE
> [  FAILED  ] Subprocess.splice (32 ms)
> [----------] 4 tests from Subprocess (124 ms total)
> trace of failure:
> process::ReaperProcess::reap () at reap.cpp:36
> os:process () at linux.hpp:54
> proc:status () at proc.hpp:174 
> Branch for 0.18.0-rc2 build can be found here: https://github.com/timothysc/mesos/tree/0.18.0-post-shuffle



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