Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755642AbYHRVm6 (ORCPT ); Mon, 18 Aug 2008 17:42:58 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751631AbYHRVmq (ORCPT ); Mon, 18 Aug 2008 17:42:46 -0400 Received: from proxima.lp0.eu ([85.158.45.36]:53676 "EHLO proxima.lp0.eu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751380AbYHRVmp (ORCPT ); Mon, 18 Aug 2008 17:42:45 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=exim; d=fire.lp0.eu; h=Received:Message-ID:Date:From:User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To:Content-Type; b=UwNAyOfXsKX9XhSEYQrG3r32glNnmrhI1BPhhBatfBlIjhxGvSAvS92Vjwyn9GqAvPfsJNyMJyTSgrp1qO2EwU4xaPcsakACoDb0Iwjsq5LmPG5TlMZnaEgoFhcWHWJA; Message-ID: <48A9ECD2.8030801@simon.arlott.org.uk> Date: Mon, 18 Aug 2008 22:42:42 +0100 From: Simon Arlott User-Agent: Thunderbird 2.0.0.16 (X11/20080726) MIME-Version: 1.0 To: Pekka Enberg CC: Linux Kernel Mailing List , akpm , Christoph Lameter Subject: Re: BUG in free_block (tainted) References: <48A9E97B.6060601@simon.arlott.org.uk> <84144f020808181437n34f3a339j3392ccccfdfd60f9@mail.gmail.com> In-Reply-To: <84144f020808181437n34f3a339j3392ccccfdfd60f9@mail.gmail.com> Content-Type: multipart/mixed; boundary="------------080309080006080102050708" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6725 Lines: 116 This is a multi-part message in MIME format. --------------080309080006080102050708 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 18/08/08 22:37, Pekka Enberg wrote: > Hi Simon, > > On Tue, Aug 19, 2008 at 12:28 AM, Simon Arlott wrote: >> http://img169.imageshack.us/img169/1170/1005548cp9.jpg >> >> 2.6.27-rc3 09873-gb08c7f5 >> >> (Tainted with fglrx, but X hadn't been run...) > > Looks like SLAB corruption so fglrx could have caused this even if you > just loaded the module. Do you have CONFIG_DEBUG_SLAB enabled? If not, > you might want to try to reproduce this with it. Of course, > reproducing the oops without fglrx would be most helpful. :-) In that case please disregard this completely. It's not yet happened again. fglrx completely breaks slab in fantastic ways... I could show you my /proc/slabinfo... the start of it is badly corrupted - but only if X has been started (attached). I might try enabling CONFIG_DEBUG_SLAB, perhaps it can detect that bug... -- Simon Arlott --------------080309080006080102050708 Content-Type: application/x-bzip; name="x.bz2" Content-Transfer-Encoding: base64 Content-Disposition: inline; filename="x.bz2" QlpoOTFBWSZTWXS7MlgAgTD/7///+gR//3//f////7////9//3//f/9//4QUf/9//+ARP14G mXegyCvCEYCtLKqUoJAoRWTnGJUohKVwPPbG4o1UjZTR5TynqAP9VANAaBp56qe0k9J6R6h6 jelPUbU9TTQAAAAAGgNHqeoaeoAA0flRhtNT1IB6T0ntEmnqPUzTNUEpoQJpJ6CZBIap6mmh pggDINANAAYNJiAAAAMgZAAAAyAA9IPUwCAAAAMGqflNTSoD1H6oABkAAGgANBoAAB6g0MEA AAAA0AAAAAANGQAABoaABJqSUm1Tz0pMgNHpBoAABoAAAAaGgAAADRoAfqgAAAAAAAAAAABo aZEADIaGQBkDTRoAaBoyaANGIaBoADEAGjQAADI0GjIGI00aDEDQA0DIAABFEIIEwmmmk1NT yj0j1BoADQAAGmgGmgAAAAAAAAAAAAAAAAAAAOIRVU6cRFYQ/8B6EsBRRASnai+iMYhiGMQx e4RBiGIQhaY99VQHr7VP4FU/1cDWUmapWzfB0rUzdsbPNztbMgk0AdMh08SRjGNCdL01I0Kq vTwbCqy5FFFkqMBBCFyqrZRRRapVVboNwqqlyKKKLCgSDBhC5FVW1Iooq1SqtwXFKrdQoooo UDAYMAuRVVbCiiisULkxkLOvmPIbFr5s9pJkjAOFz3E8Xx2RxWXqur8N1Xh+r8RicCJrIENR 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