From owner-freebsd-x11@FreeBSD.ORG Tue Feb 9 16:00:40 2010 Return-Path: Delivered-To: x11@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 00CBC1065692 for ; Tue, 9 Feb 2010 16:00:40 +0000 (UTC) (envelope-from wblock@wonkity.com) Received: from wonkity.com (wonkity.com [67.158.26.137]) by mx1.freebsd.org (Postfix) with ESMTP id AFF1A8FC14 for ; Tue, 9 Feb 2010 16:00:39 +0000 (UTC) Received: from wonkity.com (localhost [127.0.0.1]) by wonkity.com (8.14.3/8.14.3) with ESMTP id o19FxeOf007214; Tue, 9 Feb 2010 08:59:40 -0700 (MST) (envelope-from wblock@wonkity.com) Received: from localhost (wblock@localhost) by wonkity.com (8.14.3/8.14.3/Submit) with ESMTP id o19FxcUj007211; Tue, 9 Feb 2010 08:59:38 -0700 (MST) (envelope-from wblock@wonkity.com) Date: Tue, 9 Feb 2010 08:59:38 -0700 (MST) From: Warren Block To: David Wolfskill , x11@freebsd.org In-Reply-To: <20100209044136.GJ391@bunrab.catwhisker.org> Message-ID: References: <20100208172654.GA391@bunrab.catwhisker.org> <20100209044136.GJ391@bunrab.catwhisker.org> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.3 (wonkity.com [127.0.0.1]); Tue, 09 Feb 2010 08:59:40 -0700 (MST) Cc: Subject: Re: DRI problems with ati/radeon on stable/7 r203425 X-BeenThere: freebsd-x11@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: X11 on FreeBSD -- maintaining and support List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Feb 2010 16:00:40 -0000 On Mon, 8 Feb 2010, David Wolfskill wrote: > On Mon, Feb 08, 2010 at 11:29:44AM -0700, Warren Block wrote: > >> Oh, and you should probably have Option "AccelMethod" "EXA" in the >> driver section of xorg.conf. > > Ok; I hadn't uncommented any of the "acceleration" lines in the file -- > I tend to leave things at default values unless I have a known reason to > change them (or I'm too bored, which doesn't happen often). :-} > > Merely explicitly disabling the "NoAccel" option(!) appears to have had > no particular effect -- I was able to get a locakup (or extremem > slowdown) with it. > > Doing that in conjunction with specifying EXA as the AccelMethod does > appear to avoid the problem -- I tried at least a dozen times, and > there's been no failure. On the other hand, animated displays sometimes > "glitch" rather more often with EXA than with teh default (XAA). It's my impression that EXA is the best supported mode (on radeon) and XAA suffers from neglect. What do you mean by "glitch"? Option "EXAVSync" "On" might help, but you shouldn't be seeing stray pixels. -Warren Block * Rapid City, South Dakota USA