Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756781AbZCJTZo (ORCPT ); Tue, 10 Mar 2009 15:25:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754755AbZCJTZf (ORCPT ); Tue, 10 Mar 2009 15:25:35 -0400 Received: from ogre.sisk.pl ([217.79.144.158]:46370 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753305AbZCJTZe (ORCPT ); Tue, 10 Mar 2009 15:25:34 -0400 From: "Rafael J. Wysocki" To: Eric Anholt Subject: Re: [Bug #12806] i915 broken STR Date: Tue, 10 Mar 2009 20:25:18 +0100 User-Agent: KMail/1.11.1 (Linux/2.6.29-rc7-tst; KDE/4.2.1; x86_64; ; ) Cc: Harvey Harrison , Linux Kernel Mailing List , Kernel Testers List , Dave Airlie , Jesse Barnes References: <200903101456.48444.rjw@sisk.pl> <1236706348.10190.65.camel@gaiman> In-Reply-To: <1236706348.10190.65.camel@gaiman> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-2" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200903102025.18838.rjw@sisk.pl> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2733 Lines: 58 On Tuesday 10 March 2009, Eric Anholt wrote: > On Tue, 2009-03-10 at 14:56 +0100, Rafael J. Wysocki wrote: > > On Tuesday 10 March 2009, Eric Anholt wrote: > > > On Sat, 2009-03-07 at 22:28 +0100, Rafael J. Wysocki wrote: > > > > On Saturday 07 March 2009, Harvey Harrison wrote: > > > > > On Tue, 2009-03-03 at 20:25 +0100, Rafael J. Wysocki wrote: > > > > > > This message has been generated automatically as a part of a report > > > > > > of recent regressions. > > > > > > > > > > > > The following bug entry is on the current list of known regressions > > > > > > from 2.6.28. Please verify if it still should be listed and let me know > > > > > > (either way). > > > > > > > > > > > > > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12806 > > > > > > Subject : i915 broken STR > > > > > > Submitter : Harvey Harrison > > > > > > Date : 2009-02-28 4:20 (4 days old) > > > > > > First-Bad-Commit: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5669fcacc58bf3a7386057addffd280d75380858 > > > > > > References : http://marc.info/?l=linux-kernel&m=123579487801064&w=4 > > > > > > > > > > > > > > > > > > > > > > This looks to have been a case of old-userspace..upgrading to > > > > > xorg-intel-video 2.6.1 (ubuntu Jaunty Alpha5) fixes STR here. > > > > > > > > Well, thanks, but I'm not really sure if this is a good news. > > > > > > > > Jesse, Eric, does it mean we now break resume on anything earlier than 2.6.1 > > > > on the Harvey's hardware? > > > > > > There's not much information (dmesg, Xorg.0.log) with this bug -- I'm > > > guessing he's using KMS, given that that commit was where the problems > > > started. If so, yes, you really do need good userland for KMS to work. > > > > BTW, Is suspend generally supposed to work with KMS and the 2.6.1 (or later) X > > driver? > > I pulled a giant pile of KMS bugfixes into 2.6.2, so I'm not sure about > 2.6.1. > > We've still got some work to do with making our suspend/resume path > really complete for KMS. We're missing some register setup that UMS > does, so behavior can be a bit random. The current plan is to switch to > using the KMS modeset paths for resume, so we hopefully have reliable > (or at least consistent) mode setting behavior, and then fill those > remaining register writes in around it. Basically, a separate > suspend/resume path for KMS, when we have full control of the device. OK, thanks. Best, Rafael -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/