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Date:	Mon, 26 Oct 2009 08:25:25 +0100
From:	Paul Rolland <rol@...917.net>
To:	Jesse Barnes <jbarnes@...tuousgeek.org>
Cc:	Frans Pop <elendil@...net.nl>, Theodore Tso <tytso@....edu>,
	"Carlos R. Mafra" <crmafra2@...il.com>,
	Eric Anholt <eric@...olt.net>, linux-kernel@...r.kernel.org,
	Keith Packard <keithp@...thp.com>,
	Chris Wilson <chris@...is-wilson.co.uk>
Subject: Re: 2.6.32 regression (bisected): Video tearing/glitching with T400
 laptops

Hello,

On Mon, 19 Oct 2009 10:15:26 +0900
Jesse Barnes <jbarnes@...tuousgeek.org> wrote:

> On Mon, 19 Oct 2009 10:04:37 +0900
> Jesse Barnes <jbarnes@...tuousgeek.org> wrote:
> 
> > On Thu, 15 Oct 2009 00:02:04 -0400
> > Theodore Tso <tytso@....edu> wrote:
> > 
> > > On Wed, Oct 14, 2009 at 10:26:45PM -0400, Theodore Tso wrote:
> > > > 
> > > > If I need to live with a display glitch every 5-10 minutes or so
> > > > to get better power savings, I'll take it....
> > > > 
> > > 
> > > While mail reading and composing responses in a tty based mail
> > > reader (mutt/emacs -nw), I'm seeing display glitches every 3-5
> > > minutes.  Each time it's quite minor so it's the sort of thing
> > > which is definitely "blink at the wrong time and you'll miss it".
> > > 
> > > Being a battery lifetime freak, I'll definitely take the tradeoff,
> > > but given that it occurs even when I'm plugged into AC mains, I
> > > could see some users being annoyed by it, and I could see them
> > > wanting to be able to switch off the feature when they are on AC,
> > > if we find a complete fix.
> > 
> > Ok, hopefully this is the "correct" patch.  It works for me, can you
> > give it a try?
> 
> Here's an even more "final" patchset with some spurious hunks removed.
> 

This is also fixing the problem I had with my Vostro !:)
Thanks Frans for pointing my to this patches.

Tested-By: Paul Rolland <rol@...917.net>

Regards,
Paul


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