From: "Zhao Forrest" <forrest.zhao@gmail.com>
To: "Andi Kleen" <andi@firstfloor.org>
Cc: discuss@x86-64.org, linux-kernel@vger.kernel.org
Subject: Re: [discuss] A question about GART aperture unmap
Date: Thu, 10 May 2007 18:09:42 +0800 [thread overview]
Message-ID: <ac8af0be0705100309y49d0bcf7jd055aa9fa949e29f@mail.gmail.com> (raw)
In-Reply-To: <20070510094908.GB14898@one.firstfloor.org>
On 5/10/07, Andi Kleen <andi@firstfloor.org> wrote:
> > After commenting out clear_kernel_mapping() line, the system would
> > have sync flood and reset from time to time. However when with this
> > clear_kernel_mapping() line, no system reset happened.
>
> Hmm, that should not happen. Normally the problems fixed by
> this are expected to be very rare and you also should not get
> sync flood, but just cache line corruption. While it might be possible
> for random corruption to then cause sync flood that should be again
> rather unlikely. If it's repeatable quickly something else
> must be wrong.
The log recorded in IPMI SEL log showed that there's a GART error:
3f01 | OEM record e0 | 1800000000f60000010005001b GART
Forrest
next prev parent reply other threads:[~2007-05-10 10:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-10 5:59 Zhao Forrest
2007-05-10 9:49 ` [discuss] " Andi Kleen
2007-05-10 10:00 ` Zhao Forrest
2007-05-10 10:09 ` Zhao Forrest [this message]
2007-05-10 10:14 ` Zhao Forrest
2007-05-10 11:06 ` Andi Kleen
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