From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751363AbWGJImb (ORCPT ); Mon, 10 Jul 2006 04:42:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751367AbWGJImb (ORCPT ); Mon, 10 Jul 2006 04:42:31 -0400 Received: from ug-out-1314.google.com ([66.249.92.175]:14252 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S1751363AbWGJIma (ORCPT ); Mon, 10 Jul 2006 04:42:30 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=Pgc/YM9qolqXWtNVMrEqxcUDH1WkMsedmiIdzZoMXWTk8/A+wQA04gVzXbuZGHD0YkqlBCqbB8zjBZycVZLum2kTB4sOs6m0P/1YNeOtKR5BLCnG+BeTc31T3Mm/CTHHxGjf7pRH+8YYKNj/hESogaMOXAyzVW71S0/8enB5+tc= Message-ID: <84144f020607100142l62f02321i9802f9eed64d39f4@mail.gmail.com> Date: Mon, 10 Jul 2006 11:42:29 +0300 From: "Pekka Enberg" To: "Mike Galbraith" Subject: Re: 2.6.18-rc1: slab BUG_ON(!PageSlab(page)) upon umount after failed suspend Cc: lkml In-Reply-To: <1152513068.7748.13.camel@Homer.TheSimpsons.net> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <6wDCq-5xj-25@gated-at.bofh.it> <6wM2X-1lt-7@gated-at.bofh.it> <6wOxP-4QN-5@gated-at.bofh.it> <44B189D3.4090303@imap.cc> <20060709161712.c6d2aecb.akpm@osdl.org> <1152513068.7748.13.camel@Homer.TheSimpsons.net> X-Google-Sender-Auth: 97f2e44beec7b6dd Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/10/06, Mike Galbraith wrote: > While trying to figure out what happened to break suspend to disk on my > box, and booting between various other kernels to compare messages, I > accidentally captured the following during shutdown. I have no idea if > failed suspends have anything to do with it, but it may, because I > haven't had this happen in any other circumstance. I'm making a rash > presumption that the two or three other times the box has died on > shutdown (without serial console being connected) were the same. [snip] > kernel BUG at :45803! <-- what goeth on here. it's slab.c:1542 Looks as if kernel text is messed up. > Code: 30 8b 57 3c 8b 45 f0 e8 d5 ac fe ff f6 47 36 02 74 11 8b 4f 3c b8 01 00 00 00 d3 e0 f0 29 05 14 ad 5f b1 83 c4 04 5b 5e 5f 5d c3 <0f> 0b eb b2 55 89 e5 57 56 53 83 ec 28 89 c6 89 d3 89 e0 25 00 See how ud2a comes after ret which doesn't match what GCC generates for me at least. Furthermore, the BUG() line number is messed up (eb b2). So doesn't look like a slab bug to me. Pekka