From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ludovic =?UTF-8?Q?Court=C3=A8s?= Subject: bug#35408: External monitor not working with GDM Date: Thu, 02 May 2019 17:20:12 +0200 Message-ID: <87y33oubmb.fsf@gnu.org> References: <87ftq8c9n9.fsf@sturm.com.au> <87ef5qqwog.fsf@gnu.org> <17cc954b1feb50becef0df5bcafa56b6c9e45da7.camel@sturm.com.au> <87k1fhag3v.fsf@GlaDOS.home> <65eb86bd2ce13da6a6ea41360770aaa51fe1dea4.camel@sturm.com.au> <878svxnpx8.fsf@gnu.org> <87y33paa40.fsf@sturm.com.au> <877eb9mgiw.fsf@sturm.com.au> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([209.51.188.92]:58707) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hMDWB-00042g-Ri for bug-guix@gnu.org; Thu, 02 May 2019 11:21:04 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hMDWA-0002LI-Th for bug-guix@gnu.org; Thu, 02 May 2019 11:21:03 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:33187) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hMDWA-0002LC-QV for bug-guix@gnu.org; Thu, 02 May 2019 11:21:02 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hMDWA-0004AG-IC for bug-guix@gnu.org; Thu, 02 May 2019 11:21:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-Reply-To: <877eb9mgiw.fsf@sturm.com.au> (Ben Sturmfels's message of "Thu, 02 May 2019 18:01:27 +1000") 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.org@gnu.org Sender: "bug-Guix" To: Ben Sturmfels Cc: Diego Nicola Barbato , 35408@debbugs.gnu.org Ben Sturmfels skribis: >> On Fri, 26 Apr 2019, Ludovic Court=C3=A8s wrote: >>> Ben Sturmfels skribis: > >>>> [ 448.627] (II) RADEON: Driver for ATI/AMD Radeon chipsets: > >>> It looks like you have an AMD Radeon graphics card, is that right? Did >>> you pass =E2=80=9Cmodprobe.blacklist=3Dradeon=E2=80=9D on the kernel co= mmand line, or >>> something similar? >>> >>> Apparently some of these AMD graphics cards are not quite supported by >>> free software, so that might be the issue here. >> >> Whoops, sorry I'm being unintentionally misleading - I shuttle my hard >> drive across from my X200 into an F2A85-M motherboard at work, which has >> Radeon HD 8470D. It's always just worked with Slim on Guix and Trisquel >> 7/8. >> >> I'll try the modprobe.blacklist though. > > I tried the modprobe.blacklist=3Dradeon in the kernel line, but GDM still > did it's looping thing. What .desktop files to you have under /run/current-system/profile? There was a bug whereby GDM would enter an infinite loop when no .desktop files were provided: . Ludo=E2=80=99.