Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762682AbXLMRyo (ORCPT ); Thu, 13 Dec 2007 12:54:44 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758629AbXLMRye (ORCPT ); Thu, 13 Dec 2007 12:54:34 -0500 Received: from mx1.redhat.com ([66.187.233.31]:41775 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755560AbXLMRyc (ORCPT ); Thu, 13 Dec 2007 12:54:32 -0500 Date: Thu, 13 Dec 2007 12:50:38 -0500 From: Dave Jones To: Ingo Molnar Cc: linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , venkatesh.pallipadi@intel.com Subject: Re: [crash] kernel BUG at drivers/cpufreq/cpufreq.c:1060! Message-ID: <20071213175038.GD28148@redhat.com> Mail-Followup-To: Dave Jones , Ingo Molnar , linux-kernel@vger.kernel.org, "Rafael J. Wysocki" , venkatesh.pallipadi@intel.com References: <20071212091144.GA11986@elte.hu> <20071212164013.GA2359@redhat.com> <20071212181828.GA27675@redhat.com> <20071213101711.GN8977@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071213101711.GN8977@elte.hu> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1158 Lines: 29 On Thu, Dec 13, 2007 at 11:17:11AM +0100, Ingo Molnar wrote: > > * Dave Jones wrote: > > > > It _looks_ like we're leaking a refcount on that lock, but I don't > > > see where. It's a shame you can't reproduce this easily, as > > > cpufreq.debug=7 would give us more clues. (And > > > CONFIG_CPUFREQ_DEBUG=y) > > > > So we're missing some unlocks in some error paths. It's feasible you > > hit one of those. This patch should be the fix for that. > > since it's not really reproducible (i failed to get it since then), how > about you push your fix upstream (it's an obviously correct fix), we > consider this regression fixed and i'll re-notify you if there's still > any problem left. It's not like there's any escape from make randconfig > bootup test coverage in the long run ;-) Yeah, will push it to Linus today. Dave -- http://www.codemonkey.org.uk -- 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/