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Date: Mon, 16 Apr 2007 19:36:40 -0400
From: Chuck Ebbert <cebbert@redhat.com>
Organization: Red Hat
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To: Zach Carter <linux@zachcarter.com>
CC: Dave Jones <davej@redhat.com>, linux-mm@kvack.org,
       linux-kernel@vger.kernel.org
Subject: Re: BUG:  Bad page state errors during kernel make
References: <4622EDD3.9080103@zachcarter.com> <20070416035603.GD21217@redhat.com> <46230A3A.8060907@zachcarter.com>
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Zach Carter wrote:
> 
> Dave Jones wrote:
>> On Sun, Apr 15, 2007 at 08:30:27PM -0700, Zach Carter wrote:
>>  > list_del corruption. prev->next should be c21a4628, but was e21a4628
>>
>> 'c' became 'e' in that last address. A single bit flipped.
>> Given you've had this for some time, this smells like a hardware problem.
>> memtest86+ will probably show up something.
> 
> Hum.   I forgot to mention in my report that I had already run thru 10
> clean passes with memtest86+
> 
> Do you think there might be other bad hw, or another explanation?

memtest86 does not really stress everything a real kernel compile
would.