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From: Frans Pop <elendil@planet.nl>
To: Jesse Barnes <jesse.barnes@intel.com>
Subject: Re: [git head] Should X86_PAT really default to yes?
Date: Mon, 5 May 2008 20:59:00 +0200
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Cc: "Pallipadi, Venkatesh" <venkatesh.pallipadi@intel.com>,
       linux-kernel@vger.kernel.org, "Ingo Molnar" <mingo@elte.hu>,
       "Packard, Keith" <keith.packard@intel.com>,
       "Yinghai Lu" <yhlu.kernel@gmail.com>
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On Monday 05 May 2008, you wrote:
> On Monday, May 05, 2008 10:32 am Frans Pop wrote:
> > I suspect it could be vesafb/fbcon related instead. Normally I boot my
> > system with 'quiet vga=791', i.e. with vesafb. I then see the
> > artifacts.
> >
> > When I boot without 'vga=791', I hit another, unrelated regression
> > (which I'll report separately) [1].
> >
> > When I boot with 'video=vfb:off', I do _not_ get the artifacts when X
> > exits.
>
> Ahhh, I missed that part of your config.  That could definitely have an
> effect on things...  You'll probably want something like the attached

Not sure what to make of this.
With your patch I still get the artifacts, but they are displayed a lot 
shorter. I get only a flash instead of a-2 seconds.

> (there are other places in the fb layer that want similar treatment,
> iirc, maybe fb_pgprotect?).

Do you want to try a more complete review/patch or should this be punted 
over to the framebuffer folks?

Cheers,
FJP