From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965169AbWEaVdY (ORCPT ); Wed, 31 May 2006 17:33:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965171AbWEaVdY (ORCPT ); Wed, 31 May 2006 17:33:24 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:30400 "EHLO mx3.mail.elte.hu") by vger.kernel.org with ESMTP id S965169AbWEaVdX (ORCPT ); Wed, 31 May 2006 17:33:23 -0400 Date: Wed, 31 May 2006 23:33:40 +0200 From: Ingo Molnar To: "Martin J. Bligh" Cc: Andrew Morton , Martin Bligh , linux-kernel@vger.kernel.org, apw@shadowen.org Subject: Re: 2.6.17-rc5-mm1 Message-ID: <20060531213340.GA3535@elte.hu> References: <447DEF47.6010908@google.com> <20060531140823.580dbece.akpm@osdl.org> <20060531211530.GA2716@elte.hu> <447E0A49.4050105@mbligh.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <447E0A49.4050105@mbligh.org> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: 0.0 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=0.0 required=5.9 tests=AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 0.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5361] 0.0 AWL AWL: From: address is in the auto white-list X-ELTE-VirusStatus: clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org * Martin J. Bligh wrote: > >AFAICS this isnt the lock validator but the normal mutex debugging code > >(CONFIG_DEBUG_MUTEXES). The log does not indicate that lockdep was > >enabled. > > Buggered if I know how that got turned on. I thought we turned it off > by default now? That's what screwed up all the perf results before. > > http://test.kernel.org/abat/33803/build/dotconfig > That's the build config it ran with. > > CONFIG_DEBUG_MUTEXES=y still ... it shouldnt have crashed on us. I did change it in -mm1 so i'll take a look tomorrow. > Grrr. Humpf. I can't see the option being turned on for lockdep ... > what was the config option, and is it enabled by default? these are the lock validator options in question: # CONFIG_PROVE_SPIN_LOCKING is not set # CONFIG_PROVE_RW_LOCKING is not set # CONFIG_PROVE_MUTEX_LOCKING is not set # CONFIG_PROVE_RWSEM_LOCKING is not set and they are off by default. Ingo