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From Nick Kew <n...@webthing.com>
Subject Re: [users@httpd] mpm worker proxy: High CPU load, unresponsive
Date Mon, 07 Jul 2008 10:53:39 GMT
On Mon, 7 Jul 2008 10:15:12 +0000 (UTC)
Igor Galić <i.galic@brainsware.org> wrote:

> I can often see in the error log that it segfaults, but it does not 
> core-dump. mod_whatkilledus is mostly inconclusive, and mod_backtrace 
> doesn't seem to hook in:

Confusing!

Couple of thoughts:
  * Does this persist if you switch back to APR-1.2.latest?
  * You said on IRC that you got the crash with a traceback
    with prefork.  Does the traceback reveal anything?


> Core was generated by `/opt/bw/bin/httpd-worker'.
> #0  0x00002b3641a815a6 in ?? ()
> (gdb) where
> #0  0x00002b3641a815a6 in ?? ()
> #1  0x00002b3641a81470 in ?? ()
> #2  0x0000000042804d38 in ?? ()
> #3  0x000000000044a431 in _IO_stdin_used ()
> #4  0x0000000000000000 in ?? ()

That's just an idle thread.  Did you try
(gdb) thread apply all bt 5


-- 
Nick Kew

Application Development with Apache - the Apache Modules Book
http://www.apachetutor.org/

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