linux-kernel - Re: Request for MCE decode (AMD Barcelona, fam 10h)

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Message-ID: <20080908140027.GI26079@one.firstfloor.org>
Date:	Mon, 8 Sep 2008 16:00:27 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	Pavel Machek <pavel@...e.cz>
Cc:	Andi Kleen <andi@...stfloor.org>, Tony Vroon <tony@...on.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: Request for MCE decode (AMD Barcelona, fam 10h)

On Mon, Sep 08, 2008 at 03:55:58PM +0200, Pavel Machek wrote:
> On Mon 2008-09-08 12:55:40, Andi Kleen wrote:
> > Tony Vroon <tony@...on.org> writes:
> > 
> > > HARDWARE ERROR. This is *NOT* a software problem!
> >   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > > Please contact your hardware vendor
> >   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> > 
> > > I realize that the linux kernel may be entirely blameless in this
> > > situation,
> > 
> > It is, like mcelog told you.
> 
> Ugh, actually this is not right. AFAIK MCEs can be triggered by stuff
> like PCI aborts, which in turn can be caused by software.

PCI aborts don't normally cause machine checks, no.

-Andi
-- 
ak@...ux.intel.com
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