From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Sturmfels Subject: bug#35408: External monitor not working with GDM Date: Thu, 02 May 2019 18:01:27 +1000 Message-ID: <877eb9mgiw.fsf@sturm.com.au> 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> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="=-=-="; micalg=pgp-sha512; protocol="application/pgp-signature" Return-path: Received: from eggs.gnu.org ([209.51.188.92]:39672) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1hM6fQ-0006Sb-CM for bug-guix@gnu.org; Thu, 02 May 2019 04:02:09 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hM6fM-0003h2-5U for bug-guix@gnu.org; Thu, 02 May 2019 04:02:06 -0400 Received: from debbugs.gnu.org ([209.51.188.43]:60213) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1hM6fK-0003fo-Kk for bug-guix@gnu.org; Thu, 02 May 2019 04:02:04 -0400 Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1hM6fK-0008Ok-Gc for bug-guix@gnu.org; Thu, 02 May 2019 04:02:02 -0400 Sender: "Debbugs-submit" Resent-Message-ID: In-reply-to: <87y33paa40.fsf@sturm.com.au> 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: Ludovic =?UTF-8?Q?Court=C3=A8s?= Cc: Diego Nicola Barbato , 35408@debbugs.gnu.org --=-=-= Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable > 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 com= mand 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. > This is a bit of a stab in the dark, but I have been having issues with > PostgreSQL and OpenSMTPD changing swapping UID/GIDs after reconfiguring > or booting back into an old Guix System profile. This has required me to > manually correct the permissions in /var/lib with `chown`. I'm > suspicious that the same might be happening to GDM. I'll do some testing > on this. I also tried removing /var/lib/gdm and reconfiguring, but that didn't seem to help, so I guess it's not a permissions issue. Regards, Ben --=-=-= Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAEBCgAdFiEEPn825zvdanEG+SAhAjwF4snAaPAFAlzKo9cACgkQAjwF4snA aPC5Fw//eFmpnqKQoWQDssaw4EZH4J2pTBAxRicekWVs8b2mbHr2RUUHf1T+Ay2n /T/uHCKqLSHFyU6zSqPbuK4VNeyKZC1TDaDpBhMNLhVCf+x1S3yMWiofNGCPeMcL 8cRnwVyi84nJPyjCJjRbIgElwAvmsvexZjiZi5iSnzfImjrgqAWiiNESUFqYd61W InQyJQRZzX200R5l6/AsdTanFbo/qmONMn28wt05V85UatLTs/sYI0WbGc0f9BLq XItsX/3co6PfgJR5Gj/ypREMLECMjLdPBj2ZIIk4TYER21mTyEbsFHVY0KbYUw75 Q8iYGOxTeH7pEkUtSgy6DpC7H3AoNX/KiH3DpxdZFAKIGTHoDt44UP8zAW0uzldm zNHz2gq6VSQ7OBsVlaylr1s9eP7y86yrf/3k0blS3cp1zGn20heG3bAIyLVDAeLd pdrKybv/JFJi0WBnRe2xApjbmU2qy/LAkchYRw81YSKsptn774iw2aRtQ2E+Q4EM sI9OdGS2hkVD/wcqd87xHMb22JmICE7vmRVK1PL7eFo0WFFMpvm4TSmR1VP2JX25 6FeREm12sSD5k/JKhtugBPLNtem4Vue8OdHyTVuy1nfrFxdX18TI/F9DcM6TYiEO TQxXjqMzleRURII15cUUbJR8qjwK6NaWSKKn+a6mhSlP7FvZHzQ= =IGA0 -----END PGP SIGNATURE----- --=-=-=--