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Date: Fri, 27 Mar 2009 08:07:53 +0100
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Subject: Re: [PHP-DEV] problem with apache segfault
From: wrowe@rowe-clan.net ("William A. Rowe, Jr.")

jvlad wrote:
>>
>>> #2  0x00002aaaac145afb in apr_pool_destroy () from 
>>> /usr/lib64/libapr-1.so.0
>>> No symbol table info available.
>> See http://httpd.apache.org/dev/debugging.html on how to grab the
>> -win32-symbols.zip package.  Unpack it over httpd and you will probably
>> have more legible backtraces.  Ensure you have all the debugging symbols
>> for php you'll have something completely legible.
> 
> aha, and /usr/local/src/php/php-5.2.9/Zend/zend_vm_execute.h is a very 
> common path under Win32 :)

Here?  Yea, it is.  But looking at the libapr-1.so.0 module, agreed that
I've misread this :)

> @Rathnakar Konda, is it possible that php was compiled against wrong Apache 
> headers? Did you install something like OS-supplied httpd-devel package to 
> compile php or grabbed apache sources from their web site?

I'm not used to seeing bad stack unwinds on unix, most people don't optimize
that aggressively.

If this is system-httpd, that's fine; if you installed an httpd package,
there is likely an httpd-devel package that also includes the debugging
symbols you need (unstripped).

If not and you've built this, you can simply try -O0, or -g, or for httpd
--enable-maintainer-mode, but offhand I can't think of a trivial way to
simply avoid -strip, which is what you want for your build when things
go wonky in your gdb where output.

Bill