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From Tosh Cooey <>
Subject Re: I think AuthCookie(DBI) is causing segfaults?
Date Thu, 11 Nov 2010 16:38:58 GMT
Hi Tuomo, thank-you that was really helpful.

I'm running prefork it seems.  Here's the list if that's helpful:

Also perhaps helpful is that I'm on Ubuntu 9.04 Jaunty with the latest 
libdbd-mysql-perl 4.008-1 which was a pain in the a55 to install and was 
only done because doing a CPAN install of DBD::mysql seemed all but 
impossible on this server.

And again, this ONLY happens when the application has not made any MySQL 
requests for a few hours, or possibly when I restart the MySQL server 
but I can't confirm this as consistent.

The "fix" is to hit the server until all the old child processes have 
crashed and then new ones are spawned, usually only about six processes, 
then everything works fine until the next time.


On 11/11/10 4:07 PM, Tuomo Salo wrote:
> On Thu, Nov 11, 2010 at 12:58:23AM +0100, Tosh Cooey wrote:
>> Maybe Apache MPM prefork?  How can I tell?
> Running httpd with the -l (ell) command line option will print
> a list of module names. If you see "prefork.c", you are using
> prefork, and if you see "worker.c", you are using the threaded
> MPM.
>    -Tuomo

McIntosh Cooey - Twelve Hundred Group LLC -

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