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Date:      Thu, 12 Jun 2008 22:16:54 +0930
From:      Andrew D <andrewd@webzone.net.au>
To:        freebsd-stable@freebsd.org
Subject:   Re: apachectl gracefult causes Signal 11 crash after 6.3 to 7.0 upgrade [SOLVED]
Message-ID:  <48511ABE.9040207@webzone.net.au>
In-Reply-To: <485106B6.7050805@pingle.org>
References:  <4846B64F.4090700@minibofh.org>	<200806121118.45137.doconnor@gsoft.com.au>	<48509419.6060206@pingle.org>	<200806121445.30864.doconnor@gsoft.com.au> <485106B6.7050805@pingle.org>

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Jim Pingle wrote:
> Daniel O'Connor wrote:
>> On Thu, 12 Jun 2008, Jim Pingle wrote:
>>> I need to see if I can improve the script any (suggestions are most
>>> welcome) then open a PR to see if it -- or logic like it -- can be
>>> included in the php-extensions meta port.
>>
>> Adding the script to the port seems like the way to go (baring an 
>> upstream fix but it seems like a difficult problem to solve).
>>
>> Unfortunately it doesn't help me :(
>> If I disable everything except either pgsql or mhash (either 
>> separately or together) Apache crashes with..
>>
>> #0  0x28ad6d40 in ?? ()
>> #1  0x281c6f2e in _pthread_main_np () from /lib/libc.so.7
>> #2  0x2819fa0c in puts () from /lib/libc.so.7
>> #3  0x281a0177 in gethostbyname () from /lib/libc.so.7
>> #4  0x08069a12 in ap_get_local_host ()
>> #5  0x08068b9c in ap_fini_vhost_config ()
>> #6  0x0805639c in ap_read_config ()
>> #7  0x0805f133 in standalone_main ()
>> #8  0x08060c1f in main ()
>>
>> I don't understand why gethostbyname() would call puts() - and why 
>> that would then crash!
>>
>> Seems like some threading related wrinkle though as pgsql & mhash are 
>> the only extensions I have that are linked to libthr.so
>>
> 
> I'm afraid I wouldn't be much help with this one in that case. I have a 
> vague recollection of gethostbyname() crashing for someone else, though. 
> I thought it had something to do with the ServerName directive and/or an 
> entry in /etc/hosts -- but unfortunately I don't recall the specifics 
> and my Google-fu seems to be failing me this morning.
> 

I'm 99.5% sure that the ServerName Directive has to resolve.

> Jim
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