Segmentation Error - segfault

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Shikaz
Posts: 1
Joined: 2016/02/03 15:44:41

Segmentation Error - segfault

Post by Shikaz » 2016/02/03 16:13:53

Hi All,

I am using CentOS 5.9 and i noticed getting segmentation errors , i find those errors in both /var/log/httpd/error_log and dmesg , below are examples for the errors i am getting:

dmesg
httpd[32751]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[746]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[745]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[18857]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[18866]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[18858]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6
httpd[21628]: segfault at 00007fffda5f8fc0 rip 00002b04dc204fcb rsp 00007fffda5f8fa0 error 6

/var/log/httpd/error_log
[Wed Jan 06 11:38:38 2016] [notice] child pid 8738 exit signal Segmentation fault (11)
[Wed Jan 06 11:43:06 2016] [notice] child pid 29222 exit signal Segmentation fault (11)
[Wed Jan 06 11:47:28 2016] [notice] child pid 8730 exit signal Segmentation fault (11)
[Wed Jan 06 11:51:31 2016] [notice] child pid 23372 exit signal Segmentation fault (11)

The only way i figured to temporary fix this is by restarting the httpd service but i am not sure what is the root cause or how to trace it other than dumping everything and wait till the error occurs again, the problem is that it starts again after i restart the service maybe 1-2 months !! but when it starts it keeps coming all the time till i restart the httpd service.

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avij
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Re: Segmentation Error - segfault

Post by avij » 2016/02/03 18:04:03

Does this also occur on the currently supported version of CentOS 5, namely CentOS 5.11? Try running yum update.

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