From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932598AbWFWMdg (ORCPT ); Fri, 23 Jun 2006 08:33:36 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932560AbWFWMdg (ORCPT ); Fri, 23 Jun 2006 08:33:36 -0400 Received: from py-out-1112.google.com ([64.233.166.179]:59663 "EHLO py-out-1112.google.com") by vger.kernel.org with ESMTP id S964781AbWFWMd2 (ORCPT ); Fri, 23 Jun 2006 08:33:28 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=KwLJnYfPiFshOHKLowhKrP/ZSLXWZ4kJ4V4SSWe8r9k6Drxo3cbKXgqZZPLhUbyBaeiK3hbxLigxp7s+hw0F6HF9w5uKQktfTFiRtU0Rxsx5+shUJ2O4TH6xLL4okmTXnKRVX7uc1vXh8978rCY4TYeAGBYg809bQJmYW558yfc= Message-ID: <6bffcb0e0606230533g7fd1dac5m16c62d035b4e9896@mail.gmail.com> Date: Fri, 23 Jun 2006 14:33:27 +0200 From: "Michal Piotrowski" To: "Andrew Morton" Subject: Re: 2.6.17-mm1 Cc: "Ingo Molnar" , "Arjan van de Ven" , linux-kernel@vger.kernel.org In-Reply-To: <20060621034857.35cfe36f.akpm@osdl.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20060621034857.35cfe36f.akpm@osdl.org> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hi, On 21/06/06, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.17/2.6.17-mm1/ > Firefox 2 - a new testing tool for bug hunters. Jun 23 11:03:48 ltg01-fedora kernel: ======================================= Jun 23 11:03:48 ltg01-fedora kernel: [ INFO: out of order unlock detected. ] Jun 23 11:03:48 ltg01-fedora kernel: --------------------------------------- Jun 23 11:03:48 ltg01-fedora kernel: The code is fine but needs lock validator annotation. Jun 23 11:03:48 ltg01-fedora kernel: firefox-bin/25734 is trying to release lock (tasklist_lock) at: Jun 23 11:03:48 ltg01-fedora kernel: [] flush_old_exec+0x12f/0xa5f Jun 23 11:03:48 ltg01-fedora kernel: but the next lock to release is: Jun 23 11:03:48 ltg01-fedora kernel: (&sighand->siglock){++..}, at: [] flush_old_exec+0xae/0xa5f Jun 23 11:03:48 ltg01-fedora kernel: Jun 23 11:03:48 ltg01-fedora kernel: other info that might help us debug this: Jun 23 11:03:48 ltg01-fedora kernel: 2 locks held by firefox-bin/25734: Jun 23 11:03:48 ltg01-fedora kernel: #0: (tasklist_lock){..??}, at: [] flush_old_exec+0xa7/0xa5f Jun 23 11:03:48 ltg01-fedora kernel: #1: (&sighand->siglock){++..}, at: [] flush_old_exec+0xae/0xa5f Jun 23 11:03:48 ltg01-fedora kernel: Jun 23 11:03:48 ltg01-fedora kernel: stack backtrace: Jun 23 11:03:48 ltg01-fedora kernel: [] show_trace+0xd/0x10 Jun 23 11:03:48 ltg01-fedora kernel: [] dump_stack+0x19/0x1b Jun 23 11:03:48 ltg01-fedora kernel: [] lock_release+0x19a/0x371 Jun 23 11:03:48 ltg01-fedora kernel: [] _read_unlock+0x16/0x46 Jun 23 11:03:48 ltg01-fedora kernel: [] flush_old_exec+0x12f/0xa5f Jun 23 11:03:48 ltg01-fedora kernel: [] load_elf_binary+0x4c8/0x15f4 Jun 23 11:03:48 ltg01-fedora kernel: [] search_binary_handler+0xfc/0x32b Jun 23 11:03:48 ltg01-fedora kernel: [] do_execve+0x16c/0x225 Jun 23 11:03:48 ltg01-fedora kernel: [] sys_execve+0x3a/0x8b Jun 23 11:03:48 ltg01-fedora kernel: [] sysenter_past_esp+0x56/0x8d Here is a config file http://www.stardust.webpages.pl/files/mm/2.6.17-mm1/mm-config Regards, Michal -- Michal K. K. Piotrowski LTG - Linux Testers Group (http://www.stardust.webpages.pl/ltg/wiki/)