From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758320AbZBXQo1 (ORCPT ); Tue, 24 Feb 2009 11:44:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756678AbZBXQoS (ORCPT ); Tue, 24 Feb 2009 11:44:18 -0500 Received: from outbound-mail-43.bluehost.com ([69.89.18.12]:40683 "HELO outbound-mail-43.bluehost.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754786AbZBXQoS (ORCPT ); Tue, 24 Feb 2009 11:44:18 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=default; d=virtuousgeek.org; h=Received:From:To:Subject:Date:User-Agent:Cc:References:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding:Content-Disposition:Message-Id:X-Identified-User; b=ZouMjn0CaK6TcUasjRfn+w7H1Xt0voLyz6ui/NH8kP8DyqBdjN9E08mSG9jtzSxcolWUy0uzfMaI2dEOKHhQw+7t/EObFy/nyHRy0eYtSpXc1om6pBaUsvNdzYb+CnJe; From: Jesse Barnes To: Sitsofe Wheeler Subject: Re: [REGRESSION] i915 VT switch with AIGLX causes X lock up Date: Tue, 24 Feb 2009 08:44:09 -0800 User-Agent: KMail/1.11.0 (Linux/2.6.27-11-generic; KDE/4.2.0; x86_64; ; ) Cc: dri-devel@lists.sf.net, LKML , "Rafael J. Wysocki" , Eric Anholt References: <20090221153822.GA4571@silver.sucs.org> <20090223223226.GA23763@silver.sucs.org> In-Reply-To: <20090223223226.GA23763@silver.sucs.org> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200902240844.09424.jbarnes@virtuousgeek.org> X-Identified-User: {642:box128.bluehost.com:virtuous:virtuousgeek.org} {sentby:smtp auth 75.111.27.49 authed with jbarnes@virtuousgeek.org} Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, February 23, 2009 2:32:26 pm Sitsofe Wheeler wrote: > On Sat, Feb 21, 2009 at 03:38:22PM +0000, Sitsofe Wheeler wrote: > > With 2.6.29rc5 and xorg-server 2:1.4.1~git20080131-1ubuntu9.2 switching > > to a VT after starting compiz causes X to nearly lock up. > > > > Steps to reproduce: > > 1. Start X > > 2. Run compiz > > 3. Switch to VT1 via ctrl-alt-f1 > > 4. Switch back to X via ctrl-alt-f7 > > > > The result is that X will remain displaying a black screen from then on > > (the mouse cursor is visible and still moves). Switching to a VT after > > this locks up the keyboard. When compiz is not running this bug does not > > occur. I am not using kernel mode setting and booting with nomodesetting > > made no difference. This problem was not present in 2.6.28. The problem > > is reproducible every time. > > > > Graphics card is an i915 in an EeePC 900: > > > > 00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile > > 915GM/GMS/910GML Express Graphics Controller [8086:2592] (rev 04) > > > > This might be http://bugzilla.kernel.org/show_bug.cgi?id=12264 but I > > can't reopen that bug and this bug might turn out to be different. Might > > also be related to > > http://marc.info/?l=linux-kernel&m=123499984611624&w=2 . > > Still here in 2.6.29-rc6. Can you get a backtrace of the hung process, maybe by logging in from another machine and using gdb on the Xorg process? -- Jesse Barnes, Intel Open Source Technology Center