linux-kernel - Re: 2.6.22-rcX Transmeta/APM regression

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Message-ID: <4685D6CC.9070007@zytor.com>
Date:	Sat, 30 Jun 2007 00:06:36 -0400
From:	"H. Peter Anvin" <hpa@...or.com>
To:	linux@...izon.com
CC:	linux-kernel@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	ak@...e.de, bk@...e.de, michal.k.k.piotrowski@...il.com
Subject: Re: 2.6.22-rcX Transmeta/APM regression

linux@...izon.com wrote:
> 
> Anyway, the patch which introduces the problem is the aptly named 3ebad:
> 3ebad59056: [PATCH] x86: Save and restore the fixed-range MTRRs of the BSP when suspending
> 
> 2.6.22-rc6 plus that one commit reverted successfully does APM suspend
> (and resume) for me.

Okay, I would guess that that patch probably touches MTRRs without 
actually verify that the CPU *has* MTRRs -- the Transmeta Crusoe CPU 
doesn't have MTRRs.

	-hpa
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