linux-kernel - Re: Machine Check Exception on Opteron 265

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Message-ID: <20070417135744.GA28201@srcf.ucam.org>
Date:	Tue, 17 Apr 2007 14:57:45 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	"Drift@...lde" <drift@...lde.org>, espen@...gen.tihlde.org,
	linux-kernel@...r.kernel.org
Subject: Re: Machine Check Exception on Opteron 265

On Tue, Apr 17, 2007 at 02:56:18PM +0100, Alan Cox wrote:
> On Sat, 14 Apr 2007 16:58:43 +0200
> Espen Fjellvær Olsen <espen@...gen.tihlde.org> wrote:
> > Hi!
> > Today our Opteron 265, 2x2, paniced after many months uptime, giving
> > only this error message:
> > 
> > HARDWARE ERROR
> > CPU 2: Machine Check Exception:            4 Bank 4: b60a200100000813
> > TSC 6bb9fd0142921a ADDR a891e9b8
> > This is not a software problem!
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^]
> 
> This is there for a good reason.

Though we saw MCEs being generated by running the HPA code on sata_nv 
with awdma, so it's not always true. I agree that in this case, it 
probably is.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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