linux-kernel - Re: 2.6.28 git: WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:404 generic_get

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Message-ID: <20081123234252.GA27750@elte.hu>
Date:	Mon, 24 Nov 2008 00:42:52 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Yinghai Lu <yinghai@...nel.org>
Cc:	Dmitry Nezhevenko <dion@...ex.net>,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-kernel@...r.kernel.org,
	Venki Pallipadi <venkatesh.pallipadi@...el.com>
Subject: Re: 2.6.28 git: WARNING: at arch/x86/kernel/cpu/mtrr/generic.c:404
	generic_get_mtrr+0xea/0x120()


* Yinghai Lu <yinghai@...nel.org> wrote:

> On Sun, Nov 23, 2008 at 1:57 AM, Dmitry Nezhevenko <dion@...ex.net> wrote:
> > On Sat, Nov 22, 2008 at 01:43:25PM -0800, Yinghai Lu wrote:
> >>
> >> can we get whole boot message? also cat /proc/mtrr
> >>
> >> YH
> >
> > dmesg: http://inhex.net/dion/tmp/dmesg-2.6.28-rc5.txt
> >
> > /proc/mtrr:
> > reg00: base=0x000000000 (    0MB), size= 2048MB, count=1: write-back
> > reg04: base=0x0000f8000 (    0MB), size=   32KB, count=1: write-protect
> > reg05: base=0x0000dc000 (    0MB), size=    8KB, count=1: write-back
> 
> so that patch workaround your BIOS setup with mtrr  mask setting.

so the kernel was right to issue a warning.

	Ingo
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