From: "H. Peter Anvin" <hpa@zytor.com>
To: linux@horizon.com
Cc: bk@suse.de, linux-pm@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, michal.k.k.piotrowski@gmail.com,
ak@suse.de
Subject: Re: 2.6.22-rcX Transmeta/APM regression
Date: Sat, 30 Jun 2007 00:06:36 -0400 [thread overview]
Message-ID: <4685D6CC.9070007@zytor.com> (raw)
In-Reply-To: <20070630030343.31711.qmail@science.horizon.com>
linux@horizon.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
WARNING: multiple messages have this Message-ID (diff)
From: "H. Peter Anvin" <hpa@zytor.com>
To: linux@horizon.com
Cc: linux-kernel@vger.kernel.org,
linux-pm@lists.linux-foundation.org, ak@suse.de, bk@suse.de,
michal.k.k.piotrowski@gmail.com
Subject: Re: 2.6.22-rcX Transmeta/APM regression
Date: Sat, 30 Jun 2007 00:06:36 -0400 [thread overview]
Message-ID: <4685D6CC.9070007@zytor.com> (raw)
In-Reply-To: <20070630030343.31711.qmail@science.horizon.com>
linux@horizon.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
next prev parent reply other threads:[~2007-06-30 4:06 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-27 15:31 2.6.22-rcX Transmeta/APM regression linux
2007-06-27 21:26 ` Chuck Ebbert
2007-06-27 23:44 ` linux
2007-06-30 3:03 ` linux
2007-06-30 3:03 ` linux
2007-06-30 4:06 ` H. Peter Anvin [this message]
2007-06-30 4:06 ` H. Peter Anvin
2007-06-30 9:18 ` Andrew Morton
2007-06-30 9:18 ` Andrew Morton
2007-06-30 9:26 ` Andi Kleen
2007-06-30 9:26 ` Andi Kleen
2007-06-30 18:57 ` linux
2007-06-30 18:57 ` linux
2007-06-30 19:08 ` Andrew Morton
2007-06-30 19:08 ` Andrew Morton
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