From mboxrd@z Thu Jan 1 00:00:00 1970 From: "pelzflorian (Florian Pelz)" Subject: bug#40538: installer: Support uvesafb to install on machines without KMS. Date: Sun, 12 Apr 2020 10:56:21 +0200 Message-ID: <20200412085621.5pzvrgs3rg3mvrsy@pelzflorian.localdomain> References: <20200410125447.smn6xhcixe7hpday@pelzflorian.localdomain> <87tv1rv21e.fsf@gnu.org> <20200410145858.cekc55kjog3eblbu@pelzflorian.localdomain> <20200412063702.GA4097@LionPure> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:39021) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jNYQJ-0002f1-4j for bug-guix@gnu.org; Sun, 12 Apr 2020 04:57:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1jNYQI-000783-AZ for bug-guix@gnu.org; Sun, 12 Apr 2020 04:57:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:45798) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1jNYQH-00077u-Uc for bug-guix@gnu.org; Sun, 12 Apr 2020 04:57:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1jNYQH-00085e-UA for bug-guix@gnu.org; Sun, 12 Apr 2020 04:57:01 -0400 Sender: "Debbugs-submit" Resent-Message-ID: Content-Disposition: inline In-Reply-To: <20200412063702.GA4097@LionPure> List-Id: Bug reports for GNU Guix List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-guix-bounces+gcggb-bug-guix=m.gmane-mx.org@gnu.org Sender: "bug-Guix" To: Bengt Richter Cc: 40538@debbugs.gnu.org On Sun, Apr 12, 2020 at 08:37:02AM +0200, Bengt Richter wrote: > Did you mean s/ksmcon/kmscon/ ? Yes. > If that is a descendant of David Herrmann's work, > I wonder if it wouldn't just look for /sys/class/drm/card0 and, if found, > ignore /dev/fb0 and the uvesafb (along with the latter's user stuff requirements). > […] > I had thought that some version of Wayland/weston had a back end that > could run on plain /dev/fb0, and if so could provide Xwayland for X11 clients. > > Of course, if /sys/class/drm/card0 is available, Wayland will prefer that, > and you're home free for all kinds of GUIs. Well only with uvesafb I get a /dev/fb0 device and with /dev/fb0 I can use xf86-video-fbdev or kmscon. It seems kmscon has multiple backends, I do not know if it can work in other ways, but by default it does not work without uvesafb. Regards, Florian