From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roel Janssen Subject: Re: Xorg tearing fix on Intel HD Graphics 4000 Date: Sun, 25 Jun 2017 10:28:33 +0200 Message-ID: <87lgog31zi.fsf@gnu.org> References: <877f053hc7.fsf@gnu.org> <87k24539rz.fsf@elephly.net> <87d19xwjxe.fsf@gnu.org> <87zicw7h73.fsf@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:53648) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dP2uX-0004tW-KC for guix-devel@gnu.org; Sun, 25 Jun 2017 04:28:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dP2uS-0006XE-LD for guix-devel@gnu.org; Sun, 25 Jun 2017 04:28:49 -0400 In-reply-to: <87zicw7h73.fsf@gmail.com> List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: Chris Marusich Cc: guix-devel Chris Marusich writes: > Roel Janssen writes: > >> Ricardo Wurmus writes: >> >>> Hi Roel, >>> >>>> With the following patch to the Xorg configuration file, I have a >>>> tear-free GuixSD experience. I wonder if this is upstreameable in some >>>> way. This patch is probably too broad in effect. Can I change it so >>>> that only the graphics card I have will be affected by this patch? >>> >>> I’m not sure about this, but you can apply it only to your system by >>> changing the slim-service’s “startx” value like this: >>> >>> --8<---------------cut here---------------start------------->8--- >>> (modify-services %desktop-services >>> (slim-service-type >>> config => (slim-configuration >>> (inherit config) >>> (startx (xorg-start-command >>> #:configuration-file >>> (xorg-configuration-file >>> #:extra-config >>> (list your-fix))))))) >>> --8<---------------cut here---------------end--------------->8--- >>> >>> But I suppose what you want is to apply it unconditionally in Guix and >>> have the X server ignore it for all but this one graphics card, right? >> >> No, not necessarily. I could no longer do 'guix pull && guix system >> reconfigure ...', which I attempted to solve by upstreaming this patch. > > Why wouldn't you be able to do a 'guix pull && guix system reconfigure'? Because that would build a system generation which doesn't contain the patched Xorg config. Ricardo's snippet solved that. > >> I wonder if anyone else is having the same problem on this hardware.. > > Yes, I have this problem. I use a Lenovo X200. Like Mark, graphical > Emacs doesn't display characters right, and it's difficult to tell what > the buffer actually contains, sometimes. I've reconfigured my system to > use the extra Xorg config you've provided in this thread, and I'll let > you know in a week or two if it seems to have fixed the problem. Thanks. Kind regards, Roel Janssen