Date: Tue, 29 Jul 2003 14:01:40 -0400
From: Daniel Jacobowitz <dan@debian.org>
To: Miles Lane <miles.lane@comcast.net>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linus' 2.6.0-test1 (PPC) -- Radeon Mobility M7 LW (AGP) display messed up (DRI update problem?)
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On Mon, Jul 28, 2003 at 09:35:27PM -0700, Miles Lane wrote:
> Hi Linus, 
> 
> It looks like maybe something went wrong in your DRI merge.
> >From 2.6.0-test1, I have had major problems with my Radeon
> display when XFree86 (cvs HEAD) starts up.  I am running
> on a PowerBook G4 (Titanium III/800) with DRI enabled.
> Earlier 2.5 kernels rendered XFree86 okay.  The weird thing
> since test1 is that once XFree86 starts up, switching to a 
> VT and back does not clear up the problem.  The VT displays
> are hosed as well (the problem is that only about the top
> one line of text (in a VT window) looks okay.  Below that,
> the whole screen is an out-of-sync blur.
> 
> When I run fbset in a VT window, it shows the same info
> that shows up when running under 2.5 kernels (with no display
> corruption).
> 
> I will test again with DRI disabled and see if the problem goes away.
> If it does, I will check again with your DRI updates from 2.6.0-test1
> backed out.  I'll let you know what happens.

FYI, I'm having similar problems with an aty128.  DRI does not affect
it, however.  With X set to UseFBDev I get striping; without it I get a
head-numbing blur effect.

-- 
Daniel Jacobowitz
MontaVista Software                         Debian GNU/Linux Developer
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