From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932417AbcHNOvh (ORCPT ); Sun, 14 Aug 2016 10:51:37 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:42830 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932171AbcHNOvg (ORCPT ); Sun, 14 Aug 2016 10:51:36 -0400 Date: Sun, 14 Aug 2016 16:51:46 +0200 From: Greg Kroah-Hartman To: Jiri Slaby Cc: linux-kernel@vger.kernel.org, stable@vger.kernel.org, Dave Airlie Subject: Re: [PATCH 3.14 42/79] drm/qxl: only report first monitor as connected if we have no state Message-ID: <20160814145146.GE27230@kroah.com> References: <20151018020213.322172837@linuxfoundation.org> <20151018020215.210611750@linuxfoundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.6.2 (2016-07-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, May 27, 2016 at 01:06:24PM +0200, Jiri Slaby wrote: > On 10/18/2015, 04:05 AM, Greg Kroah-Hartman wrote: > > 3.14-stable review patch. If anyone has any objections, please let me know. > > > > ------------------ > > > > From: Dave Airlie > > > > commit 69e5d3f893e19613486f300fd6e631810338aa4b upstream. > > > > If the server isn't new enough to give us state, report the first > > monitor as always connected, otherwise believe the server side. > > Hi, > > I've got a bug report, that this commit breaks 3.12-stable: > =============== > While testing KDE5 packages which will be landing in Package Hub for > SP1, we found a issue with qxl drm driver in kernel. > > When booting SLES (or SLED) 12 SP1, in a libvirt KVM environment, with > QXL as video driver, KDE5 plasma was not rendered on screen, you could > only see mouse cursor. > > Booting with nomodeset=1 or qxl.modeset=0 fixes the issue. > =============== > > Does it make sense? Is 3.12 missing some prerequisite? Or should we just > revert the commit in 3.12? And what about 3.14, 4.1? What ever happened to this? Did you revert this in 3.12-stable? thanks, greg k-h