Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755552Ab0BXH6w (ORCPT ); Wed, 24 Feb 2010 02:58:52 -0500 Received: from moutng.kundenserver.de ([212.227.126.171]:65262 "EHLO moutng.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752297Ab0BXH6u (ORCPT ); Wed, 24 Feb 2010 02:58:50 -0500 Date: Tue, 23 Feb 2010 23:58:42 -0800 (PST) From: Christian Kujau To: "Lucas C. Villa Real" cc: Linux Kernel Mailing List , Kernel Testers List , Maciej Rutecki , reiserfs-devel@vger.kernel.org, aneesh.kumar@linux.vnet.ibm.com Subject: Re: [Bug #14656] Oops at __rmqueue+0x98 with 2.6.32-rc6 In-Reply-To: Message-ID: References: <4u4d-2M3yXH.A.XW.XqagLB@chimera> User-Agent: Alpine 2.01 (DEB 1266 2009-07-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Provags-ID: V01U2FsdGVkX18MZa9aqAVuudYwklEIYWjbtcs3QL66L+ykDoU KY2hQ2d8qEUlqRZz1fvBLT/Ck+7tDJkMoW+/yR+kK5qehHj8VV Quk8Fc0z6nu/Rs5h3VCbA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1384 Lines: 44 Lucas, On Sun, 21 Feb 2010 at 22:42, Rafael J. Wysocki wrote: > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=14656 > Subject : Oops at __rmqueue+0x98 with 2.6.32-rc6 > References : http://marc.info/?l=linux-kernel&m=125860255229092&w=4 Your initial report said: kernel: BUG: unable to handle kernel paging request at 0000b2cb kernel: IP: [] __rmqueue+0x98/0x36c However, the backtraces you posted later (with DEBUG_LIST=y) always contained: ------------[ cut here ]------------ WARNING: at lib/list_debug.c:51 list_del+0x41/0x60() Hardware name: MacBook3,1 list_del corruption. next->prev should be c1b71018, but was 00005095 Not being a kernel hacker, this "list_del corruption" looks kinda weird. At one point[0] it was suggested to reproduce this with an untainted (ndiswrapper?) kernel; on other occurences[1] some code surgery was indeed needed. I'm afraid I can't help here though, just thinking out loud... Christian. [0] http://lkml.org/lkml/2007/1/12/214 [1] http://lkml.org/lkml/2008/9/26/85 http://lkml.indiana.edu/hypermail/linux/kernel/0902.1/01992.html -- BOFH excuse #275: Bit rot -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/