From owner-svn-src-head@FreeBSD.ORG  Sat Jun 20 17:40:00 2009
Return-Path: <owner-svn-src-head@FreeBSD.ORG>
Delivered-To: svn-src-head@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 205541065673;
	Sat, 20 Jun 2009 17:40:00 +0000 (UTC) (envelope-from avg@freebsd.org)
Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140])
	by mx1.freebsd.org (Postfix) with ESMTP id 77BB48FC40;
	Sat, 20 Jun 2009 17:39:58 +0000 (UTC) (envelope-from avg@freebsd.org)
Received: from porto.topspin.kiev.ua (porto-e.starpoint.kiev.ua
	[212.40.38.100])
	by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id UAA18797;
	Sat, 20 Jun 2009 20:39:56 +0300 (EEST)
	(envelope-from avg@freebsd.org)
Received: from localhost.topspin.kiev.ua ([127.0.0.1] helo=edge.pp.kiev.ua)
	by porto.topspin.kiev.ua with esmtp (Exim 4.34 (FreeBSD))
	id 1MI4Xk-000P6S-1g; Sat, 20 Jun 2009 20:39:56 +0300
Message-ID: <4A3D1EEA.9060005@freebsd.org>
Date: Sat, 20 Jun 2009 20:39:54 +0300
From: Andriy Gapon <avg@freebsd.org>
User-Agent: Thunderbird 2.0.0.21 (X11/20090406)
MIME-Version: 1.0
To: Daniel Eischen <deischen@freebsd.org>
References: <200906201645.n5KGjEeG081301@svn.freebsd.org>
	<Pine.GSO.4.64.0906201250210.14868@sea.ntplx.net>
In-Reply-To: <Pine.GSO.4.64.0906201250210.14868@sea.ntplx.net>
X-Enigmail-Version: 0.95.7
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org, Robert Noland <rnoland@freebsd.org>
Subject: Re: svn commit: r194540 - head/sys/dev/drm
X-BeenThere: svn-src-head@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: SVN commit messages for the src tree for head/-current
	<svn-src-head.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/svn-src-head>
List-Post: <mailto:svn-src-head@freebsd.org>
List-Help: <mailto:svn-src-head-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/svn-src-head>,
	<mailto:svn-src-head-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Sat, 20 Jun 2009 17:40:00 -0000

on 20/06/2009 19:56 Daniel Eischen said the following:
> On Sat, 20 Jun 2009, Robert Noland wrote:
> 
>> Author: rnoland
>> Date: Sat Jun 20 16:45:14 2009
>> New Revision: 194540
>> URL: http://svn.freebsd.org/changeset/base/194540
>>
>> Log:
>>  The G45 docs indicate that all G4X chips use the new framecount
>> register.
>>
>>  Intel agrees with my reading of the docs, make it so for all G4X chips.
>>
>>  The new register also has a 32 bit width as opposed to 24 bits.  Fix
>>  things up so that the counters roll over properly.
> 
> Could this possibly fix the problem I'm seeing with the screen being
> garbage after a logout from KDE 3.x (using kdm)?  Everything works
> fine after logging in, but when you log out, the screen is left with
> garbage/lots of vertical striping.  This only happened after upgrading
> my system (and all ports) to Xorg 7.4, worked just fine before that.
> 
> agp0: <Intel 82945GM (945GM GMCH) SVGA controller> on vgapci0
> agp0: detected 7932k stolen memory
> agp0: aperture size is 256M
> vgapci1: <VGA-compatible display> mem 0xdff80000-0xdfffffff at device 
> 2.1 on pci0

I had similar symptoms. In my case this was cause X server crashing?
Do you see the same. If yes, there might be a recipe for cure.


-- 
Andriy Gapon