From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756096Ab0EaGqI (ORCPT ); Mon, 31 May 2010 02:46:08 -0400 Received: from cantor.suse.de ([195.135.220.2]:60659 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755199Ab0EaGqG (ORCPT ); Mon, 31 May 2010 02:46:06 -0400 Date: Mon, 31 May 2010 08:46:03 +0200 Message-ID: From: Takashi Iwai To: Leandro Lucarella Cc: linux-kernel@vger.kernel.org, dri-devel@lists.sourceforge.net Subject: Re: intel graphic card hanging (Hangcheck timer elapsed... GPU hung) In-Reply-To: <20100531004450.GU17817@burns.springfield.home> References: <20100531004450.GU17817@burns.springfield.home> User-Agent: Wanderlust/2.15.6 (Almost Unreal) SEMI/1.14.6 (Maruoka) FLIM/1.14.9 (=?UTF-8?B?R29qxY0=?=) APEL/10.7 Emacs/23.1 (x86_64-suse-linux-gnu) MULE/6.0 (HANACHIRUSATO) MIME-Version: 1.0 (generated by SEMI 1.14.6 - "Maruoka") Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org At Sun, 30 May 2010 21:44:50 -0300, Leandro Lucarella wrote: > > > Dear all, > > (please Cc) > > > > I am running 2.6.34-rc2 + git 01e7770 commit (yesterday) with KMS on > > Debian/sid: > > xserver-xorg: 7.5+5 > > video-intel: 2.9.1-3 > > > > Running D2X-xl (self compiled) (descent2 open source code) X suddenly > > died, > > and after that gdm could not be restarted because after a few secs > > it went dead again. > > > > In the logs I see: > > kernel: [ 2486.341227] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck > > timer elapsed... GPU hung > > kernel: [ 2486.341240] render error detected, EIR: 0x00000000 > > kernel: [ 2486.341278] [drm:i915_do_wait_request] *ERROR* > > i915_do_wait_request returns -5 (awaiting 113671 at 113604) > > kernel: [ 2486.669008] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck > > timer elapsed... GPU hung > > kernel: [ 2486.669012] render error detected, EIR: 0x00000000 > > kernel: [ 2486.669522] [drm:i915_do_wait_request] *ERROR* > > i915_do_wait_request returns -5 (awaiting 113672 at 113604) > > kernel: [ 2487.524230] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck > > timer elapsed... GPU hung > > kernel: [ 2487.524243] render error detected, EIR: 0x00000000 > > kernel: [ 2487.524284] [drm:i915_do_wait_request] *ERROR* > > i915_do_wait_request returns -5 (awaiting 113673 at 113604) > > kernel: [ 2487.912237] [drm:i915_hangcheck_elapsed] *ERROR* Hangcheck > > timer elapsed... GPU hung > > kernel: [ 2487.916175] render error detected, EIR: 0x00000000 > > kernel: [ 2487.920137] [drm:i915_do_wait_request] *ERROR* > > i915_do_wait_request returns -5 (awaiting 113674 at 113604) > > Stopping gdm and restarting didn't help to get the graphics card back to > > normal. > > > > If you have any ideas how to fix/track/debug that please let me know, > > same if you need more information. > > Hi. I just wanted to say that I was hitting this bug too. It seems to be > a problem associated with xscreensaver and/or OpenGL. Looking for > information on the web I found some bug report that said something about > OpenGL (I can't find it now) so I tried deactivating xscreensaver and > the system is working very stable, no GPU hungs in 10 days of uptime. > When I had xscreensaver active the X server crashed in a couple of days > and sometime I got the GPU hung error in dmesg but X didn't crashed. We've seen a similar hang with PineView when GLknots screensaver mode is running. Run /usr/lib/xscreensaver/glknots, and the screen gets frozen immediately (mouse works, so the rendering simply doesn't work), and no way to recover until reboot. Reported at: https://bugs.freedesktop.org/show_bug.cgi?id=28274 thanks, Takashi