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Date:      Fri, 13 Nov 2009 09:57:04 +0200
From:      Andriy Gapon <avg@icyb.net.ua>
To:        Mark Atkinson <atkin901@gmail.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: 8.0RC2 amd64 - kernel panic running make buildworld
Message-ID:  <4AFD1150.1080205@icyb.net.ua>
In-Reply-To: <hdhb9l$vqf$1@ger.gmane.org>
References:  <1031257439203@webmail57.yandex.ru>	<20091105184925.16b55c43@ernst.jennejohn.org>	<31221257446063@webmail71.yandex.ru>	<20091106101943.5a763f43@ernst.jennejohn.org>	<41361257585651@webmail39.yandex.ru>	<20091107115256.3df62bc3@ernst.jennejohn.org>	<1257618758.1511.14.camel@RabbitsDen>	<6511257846119@webmail85.yandex.ru>	<20091110105856.1270038e@ernst.jennejohn.org>	<1257864452.46072.25.camel@RabbitsDen>	<20091110162205.48abcffe@ernst.jennejohn.org>	<4AF99D53.9030005@icyb.net.ua>	<hdc73v$4rt$1@ger.gmane.org>	<941257966918@webmail42.yandex.ru>	<hdf5u4$qfr$1@ger.gmane.org> <4AFC14BE.7020106@icyb.net.ua> <hdhb9l$vqf$1@ger.gmane.org>

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on 12/11/2009 17:57 Mark Atkinson said the following:
>> superpages and no machine check - works
>> machine check and no superpages - works
>> machine check and superpages - problem
> 
> That's not quite the same for sure, definitely try replacing the memory
> first if you haven't already.

I am not sure why would you say this.
I still see more similarities than differences:
1. in all cases it's family 10h CPUs
2. in all cases turning off super-pages helps
3. in all case failure seems to happen through MCA mechanism

The hardware is quite tested too.

-- 
Andriy Gapon



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