linux-kernel - Re: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3 on IBM x3400

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Message-ID: <4991E752.8010903@kernel.org>
Date:	Tue, 10 Feb 2009 12:45:06 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	"Morten P.D. Stevens" <mstevens@...-professional.com>
CC:	Ingo Molnar <mingo@...e.hu>, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>,
	Arjan van de Ven <arjan@...radead.org>,
	linux-kernel@...r.kernel.org
Subject: Re: warning in arch/x86/kernel/cpu/mtrr/generic.c:400 with 2.6.29-rc3
 on IBM x3400

Morten P.D. Stevens wrote:
> Hi,
> 
>> the line before this? it should tell why BIOS set the mask wrong.
> 
> [    0.000000] mtrr: BIOS set mask_lo: fcffff80 should be ffffff80,
> fixing it up

so BIOS miss two bits in var mtrr regs

can you post /proc/mtrr in 2.6.29-rc3 and old kernel without warn_on..?

YH
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