Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753644Ab0BHR0o (ORCPT ); Mon, 8 Feb 2010 12:26:44 -0500 Received: from rcsinet12.oracle.com ([148.87.113.124]:54122 "EHLO rcsinet12.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751282Ab0BHR0m (ORCPT ); Mon, 8 Feb 2010 12:26:42 -0500 Date: Mon, 8 Feb 2010 12:24:10 -0500 From: Chris Mason To: Jesse Barnes Cc: "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Chris Wilson , tomas m Subject: Re: [Bug #15004] i915: *ERROR* Execbuf while wedged Message-ID: <20100208172410.GA11311@think> Mail-Followup-To: Chris Mason , Jesse Barnes , "Rafael J. Wysocki" , Linux Kernel Mailing List , Kernel Testers List , Chris Wilson , tomas m References: <20100205110100.57852c31@jbarnes-piketon> <20100205190916.GD2858@think> <20100205111747.6619b09b@jbarnes-piketon> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20100205111747.6619b09b@jbarnes-piketon> User-Agent: Mutt/1.5.20 (2009-06-14) X-Source-IP: acsmt353.oracle.com [141.146.40.153] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A090203.4B70492C.020F:SCFMA4539814,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2170 Lines: 54 On Fri, Feb 05, 2010 at 11:17:47AM -0800, Jesse Barnes wrote: > On Fri, 5 Feb 2010 14:09:16 -0500 > Chris Mason wrote: > > > On Fri, Feb 05, 2010 at 11:01:00AM -0800, Jesse Barnes wrote: > > > On Mon, 1 Feb 2010 01:43:19 +0100 (CET) > > > "Rafael J. Wysocki" wrote: > > > > > > > This message has been generated automatically as a part of a > > > > report of regressions introduced between 2.6.31 and 2.6.32. > > > > > > > > The following bug entry is on the current list of known > > > > regressions introduced between 2.6.31 and 2.6.32. Please verify > > > > if it still should be listed and let me know (either way). > > > > > > > > > > > > Bug-Entry : > > > > http://bugzilla.kernel.org/show_bug.cgi?id=15004 > > > > Subject : i915: *ERROR* Execbuf while wedged > > > > Submitter : tomas m > > > > Date : 2010-01-07 18:53 (25 days old) > > > > > > Can you bisect this to a particular kernel commit? The particular > > > error message means the kernel detected a GPU hang. That's usually > > > a userspace bug, but the kernel should recover from it. > > > > I see these about once a week, which would be a very difficult bisect. > > The kernel does recover when I reboot, but beyond that the messages > > loop forever. > > > > I haven't yet seen it on 2.6.33-rc, but I'm still struggling with > > suspend/resume failures and haven't really had a one week up time yet. Ok, updating to rc7 and updating my xf86 driver to 2.10 seems to have fixed up my suspend/resume problems. So, I should be able to trigger the execbuf problem again. > > The fdo bug referenced from kernel bugzilla has a small workaround you > might try. It forces the driver to try to recover from the hang, so > you might not need to reboot. Well, the rebooting isn't a huge deal, but if there's something I can track/kick or force to core dump, would it help? -chris -- 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/