Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754109AbZLMUAe (ORCPT ); Sun, 13 Dec 2009 15:00:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754052AbZLMUAd (ORCPT ); Sun, 13 Dec 2009 15:00:33 -0500 Received: from cable-static-49-187.intergga.ch ([157.161.49.187]:44920 "HELO mail.ffwll.ch" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1754048AbZLMUAc (ORCPT ); Sun, 13 Dec 2009 15:00:32 -0500 X-Spam-ASN: X-Spam-Hammy: 0.000-+--HCc:D*org, 0.000-+--H*Ad:D*sourceforge.net, 0.000-+--H*Ad:D*lists.sourceforge.net X-Spam-Spammy: 0.999-1--Quick, 0.965-+--H*Ad:U*daniel.vetter, 0.951-+--H*r:mail.ffwll.ch Date: Sun, 13 Dec 2009 21:00:18 +0100 From: Daniel Vetter To: Arnd Bergmann Cc: Dave Airlie , Adam Jackson , linux-kernel@vger.kernel.org, dri-devel@lists.sourceforge.net, keithp@keithp.com, eric@anholt.net, jbarnes@virtuousgeek.org, Daniel Vetter Subject: Re: [BISECTED] drm: random hang since 620f378 "drm: prune modes when ..." Message-ID: <20091213200017.GA3522@viiv.ffwll.ch> Mail-Followup-To: Arnd Bergmann , Dave Airlie , Adam Jackson , linux-kernel@vger.kernel.org, dri-devel@lists.sourceforge.net, keithp@keithp.com, eric@anholt.net, jbarnes@virtuousgeek.org References: <200912071830.14697.arnd@arndb.de> <1260337087.3658.1.camel@t60prh> <200912131218.24426.arnd@arndb.de> <200912131230.25781.arnd@arndb.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200912131230.25781.arnd@arndb.de> X-Operating-System: Linux viiv 2.6.32-05429-gaf7b4d1 User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 934 Lines: 22 On Sun, Dec 13, 2009 at 12:30:25PM +0000, Arnd Bergmann wrote: > And now it's obvious that my computer hates me. 12 hours of uptime, one reboot > to check the old other version is broken, it crashes. I reboot into the > good version, send out the above email and the next minute it crashes again. > c05422d52ee6b is not the culprit. Sorry Daniel for blaming your patch. No problem. Looks like your hunting a pretty ugly Heisenbug. There's quite a interesting blog post by Paul McKenney, esp. the solution to "Quick Quiz 1" might be usefull in your case: http://paulmck.livejournal.com/14639.html Happy Hunting, Daniel -- Daniel Vetter Mail: daniel@ffwll.ch Mobile: +41 (0)79 365 57 48 -- 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/