https://issues.apache.org/bugzilla/show_bug.cgi?id=55812

            Bug ID: 55812
           Summary: Apache is terminated with signal 11.
           Product: Apache httpd-2
           Version: 2.4.6
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P2
         Component: All
          Assignee: [email protected]
          Reporter: [email protected]

Created attachment 31067
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=31067&action=edit
Stack trace of all the threads.

Hi all,

I am running a performance test aganist Apache 2.4.6 and
sometimes (especially when the load is high) some children crash.

The application is based on PHP (version 5.5.6).

I always get at least one of these crashes during my tests.
At a first glance the number of crashes seems related to the
incoming load (the higher the load, the larger the number).

The error log does not contain anything interesting other than

[Fri Nov 22 10:04:59.438322 2013] [core:notice] [pid 15220:tid 140231002367808]
AH00051: child pid 15394 exit signal Segmentation fault (11), possible coredump
in /tmp/

I configured Apache to save the dump and then with gdb I got
the stack trace of all the threads (the results is attached).

Feel free to ask me further information.

Thank you in advance for your support.
Regards
Sebastiano

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