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Message-ID: <492EE087.80708@linux.intel.com>
Date: Thu, 27 Nov 2008 10:01:43 -0800
From: Arjan van de Ven <arjan@...ux.intel.com>
To: Ingo Molnar <mingo@...e.hu>
CC: Yinghai Lu <yinghai@...nel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Linus Torvalds <torvalds@...ux-foundation.org>,
NetDev <netdev@...r.kernel.org>, x86@...nel.org,
Andrew Morton <akpm@...ux-foundation.org>,
Theodore Ts'o <tytso@....edu>,
Alan Cox <alan@...rguk.ukuu.org.uk>,
jesse Barnes <jbarnes@...tuousgeek.org>
Subject: Re: oops/warning report for the week of November 26, 2008
Ingo Molnar wrote:
> * Arjan van de Ven <arjan@...ux.intel.com> wrote:
>
>> Rank 8: mtrr_trim_uncached_memory (warning)
>> Reported 227 times (619 total reports)
>> There is a high number of machines where our MTRR checks
>> trigger. I suspect we are too picky in accepting the MTRR
>> configuration.
>
> the warning here means: "the BIOS messed up but we fixed it up for
> you just fine".
I don't believe that right now.
we see so many of these, including many "there's no MTRRs at all",
that I am seriously suspecting that our code is just incorrect somehow
and triggering too much.
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