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Date: Sat, 21 Feb 2015 17:03:50 -0600
From: cpet <cpet@sdf.org>
To: David Benfell <benfell@parts-unknown.org>
Subject: Re: why would I get a segmentation fault on one system but not the
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On 2015-02-21 17:01, cpet wrote:
> On 2015-02-21 16:40, David Benfell wrote:
>> Hi all,
>> 
>> I am running into a segmentation fault that I don't know how to track
>> down. It appears on one system but not the other. It seems to afflict
>> both apache24 and php-fpm.
>> 
>> apache logs lots of segementation faults but I don't have any idea
>> where they're coming from.
>> 
>> When I try to start php-fpm it dies instantly with a segmentation
>> fault. I think it's one of the modules, but I don't know which one.
>> 
>> And I'm absolutely baffled that this occurs on one system and not the
>> other. Both are fairly recent FreeBSD Stable.
>> 
>> I do not see the segmentation faults (or at least not in such a dire
>> way) on:
>> 
>> 10.1-STABLE
>> FreeBSD home.parts-unknown.org 10.1-STABLE FreeBSD 10.1-STABLE #0
>> r278923: Tue Feb 17 15:27:20 PST 2015
>> root@home.parts-unknown.org:/usr/obj/usr/src/sys/GENERIC  amd64
>> 
>> I do see them on:
>> 
>> 10.1-STABLE
>> FreeBSD vegan.parts-unknown.org 10.1-STABLE FreeBSD 10.1-STABLE #0
>> r278934: Wed Feb 18 09:11:24 UTC 2015
>> root@home.parts-unknown.org:/usr/obj/usr/src/sys/GENERIC  amd64
> 
> You have 2 systems one running a different svn rev than the other,
> first I would suggest before suggesting bad ram is to sync both to be
> equal, meaning the one that is failing to either upgrade or downgrade
> it. if it's seg faulting I would mem test that and replace failing
> module.
> 
> 
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As well as don't use stable on a production box as STABLE doesn't mean 
what it means.