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From Igor Cicimov <>
Subject Re: [users@httpd] apache2 core dump
Date Thu, 24 Sep 2009 02:37:53 GMT
Hi Nick,

First thanks for your reply much appreciate it.

Yes, the server is reverse proxy only and from what I could see from couple
of other core dumps they all look the same. First I thought it might be the
proxy_html module causing this but now I'm not that sure and might be
something more serious.

I'll have a look in the patch and see if it is applicable to me.



On Wed, Sep 23, 2009 at 6:55 PM, Nick Kew <> wrote:

> On 23 Sep 2009, at 07:32, Igor Cicimov wrote:
>  Hi all,
>> I get the following core dumps from the apache:
>> [chop]
>> It's apache 2.2.12 running as reverse proxy on Solaris 9 box with
>> mpm_worker module. Looks like the threads get in some conditional wait state
>> and the process becomes zombie. I can see individual child processes dieing
>> in the log file with segmentation fault.
> What tool produced that dump?  Do you have gdb available?
> (a gdb backtrace means more to me than what you show).
> You mention it's a reverse proxy, and the first thread you show is
> a proxy request.  Are the crashes always associated with that,
> so we could look there for a cause?  Or is that a meaningless
> question because the server does nothing else?
> You might also apply Jeff's APR patch at
> and see if that helps.
> --
> Nick Kew
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