From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andy Wingo Subject: Re: Xorg tearing fix on Intel HD Graphics 4000 Date: Wed, 28 Jun 2017 10:24:48 +0200 Message-ID: <8737ak5xkf.fsf@igalia.com> References: <877f053hc7.fsf@gnu.org> <87lgodfhru.fsf@netris.org> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:33954) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dQ8I6-0002K6-Ou for guix-devel@gnu.org; Wed, 28 Jun 2017 04:25:39 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dQ8I3-00023W-F0 for guix-devel@gnu.org; Wed, 28 Jun 2017 04:25:38 -0400 In-Reply-To: <87lgodfhru.fsf@netris.org> (Mark H. Weaver's message of "Tue, 27 Jun 2017 13:43:33 -0400") 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: Mark H Weaver Cc: guix-devel On Tue 27 Jun 2017 19:43, Mark H Weaver writes: > Andy Wingo writes: > >> On Wed 21 Jun 2017 09:55, Roel Janssen writes: >> >>> For a long time now, I have a tearing issue on GuixSD (parts of the >>> screen do not get updated while others do, resulting in dissapearing >>> text in Emacs). >> >> I wonder if it makes sense to update the intel driver to see if it fixed >> it? Then perhaps we could avoid the hack. There are commits here that >> touch SNA and things that look like they could be relevant: >> >> https://cgit.freedesktop.org/xorg/driver/xf86-video-intel/log/ > > It's a good idea, but we're already using HEAD (6babcf1) from their > repo, and have been since June 11 (guix commit e2de6bbdd5). I can > confirm that this didn't solve the problem for me. > > In the meantime, how would you feel about pushing the following commit > to master? It would still allow the use of SNA by explicitly asking for > it in xorg.conf, but auto-configuration would choose UXA by default. > > What do you think? Looks good to me. We should report the problem though... ok I did that here: https://bugs.freedesktop.org/show_bug.cgi?id=101620 Looking forward to having a normal Emacs again :) Andy