linux-kernel - Re: [PATCH] don't suspend/resume 8xx chips

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Message-ID: <20080327083835.GF30926@butch.linux2go.dk>
Date:	Thu, 27 Mar 2008 09:38:36 +0100
From:	Soren Hansen <soren@...ntu.com>
To:	Jesse Barnes <jesse.barnes@...el.com>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Dave Airlie <airlied@...ux.ie>
Subject: Re: [PATCH] don't suspend/resume 8xx chips

On Wed, Mar 26, 2008 at 04:28:12PM -0700, Jesse Barnes wrote:
> Recent testing has turned up some bugs in the new Intel suspend/resume code 
> for old, 8xx chipsets.  So for 2.6.25 it probably makes sense to apply this 
> patch, which should prevent the new code from getting called on those 
> chipsets.  We should have this fixed soon, but not in time for 2.6.25 
> unfortunately.  Note that this patch (along with the suspend/resume code in 
> general) could use more testing.

I've tested this patch on two different laptops: A Uniwill 223 and an
IBM Thinkpad X40. Both have Intel 855 graphics. The former now suspends
and hibernates just fine (it fails without the patch). The latter works
both with and without the patch.

-- 
Soren Hansen               | 
Virtualisation specialist  | Ubuntu Server Team
Canonical Ltd.             | http://www.ubuntu.com/

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