From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965066AbWEaVPP (ORCPT ); Wed, 31 May 2006 17:15:15 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965080AbWEaVPP (ORCPT ); Wed, 31 May 2006 17:15:15 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:1000 "EHLO mx2.mail.elte.hu") by vger.kernel.org with ESMTP id S965066AbWEaVPN (ORCPT ); Wed, 31 May 2006 17:15:13 -0400 Date: Wed, 31 May 2006 23:15:31 +0200 From: Ingo Molnar To: Andrew Morton Cc: Martin Bligh , linux-kernel@vger.kernel.org, apw@shadowen.org Subject: Re: 2.6.17-rc5-mm1 Message-ID: <20060531211530.GA2716@elte.hu> References: <447DEF47.6010908@google.com> <20060531140823.580dbece.akpm@osdl.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060531140823.580dbece.akpm@osdl.org> User-Agent: Mutt/1.4.2.1i X-ELTE-SpamScore: -3.1 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-3.1 required=5.9 tests=ALL_TRUSTED,AWL,BAYES_50 autolearn=no SpamAssassin version=3.0.3 -3.3 ALL_TRUSTED Did not pass through any untrusted hosts 0.0 BAYES_50 BODY: Bayesian spam probability is 40 to 60% [score: 0.5000] 0.2 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 * Andrew Morton wrote: > > EIP is at check_deadlock+0x15/0xe0 > > check_deadlock+0xa5/0xe0 > > debug_mutex_add_waiter+0x46/0x55 > > __mutex_lock_slowpath+0x9e/0x1c0 > > lookup_create+0x19/0x5b > > sys_mkdirat+0x4c/0xc3 sys_mkdir+0xf/0x13 > > syscall_call+0x7/0xb > > Looks like the lock validator came unstuck. But there's so much other > crap happening in there it's hard to tell. Did you try it without all > the lockdep stuff enabled? AFAICS this isnt the lock validator but the normal mutex debugging code (CONFIG_DEBUG_MUTEXES). The log does not indicate that lockdep was enabled. Ingo