From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755915AbXGHElh (ORCPT ); Sun, 8 Jul 2007 00:41:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751026AbXGHElb (ORCPT ); Sun, 8 Jul 2007 00:41:31 -0400 Received: from rgminet01.oracle.com ([148.87.113.118]:26945 "EHLO rgminet01.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750814AbXGHEla (ORCPT ); Sun, 8 Jul 2007 00:41:30 -0400 Date: Sat, 7 Jul 2007 21:43:59 -0700 From: Randy Dunlap To: Lukas Hejtmanek Cc: linux-kernel@vger.kernel.org Subject: Re: SLAB corruption Message-Id: <20070707214359.11c5cb46.randy.dunlap@oracle.com> In-Reply-To: <20070708005807.GV3885@ics.muni.cz> References: <20070708005807.GV3885@ics.muni.cz> Organization: Oracle Linux Eng. X-Mailer: Sylpheed 2.4.2 (GTK+ 2.8.10; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: AAAAAQAAAAI= X-Brightmail-Tracker: AAAAAQAAAAI= X-Whitelist: TRUE X-Whitelist: TRUE Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 8 Jul 2007 02:58:07 +0200 Lukas Hejtmanek wrote: > Hello, > > I'm trying to get to work InfiniBand card (Mellanox) in Xen and DomU. > > If I use SLAB_DEBUG I got the following message: > Slab corruption: start=ffff880098f513b8, len=256 > Redzone: 0x1600000016/0x1700000017. > Last user: <0000001800000018>(0x1800000018) > 000: 17 00 00 00 17 00 00 00 18 00 00 00 18 00 00 00 > 010: 19 00 00 00 19 00 00 00 1a 00 00 00 1a 00 00 00 > 020: 1b 00 00 00 1b 00 00 00 1c 00 00 00 1c 00 00 00 > 030: 1d 00 00 00 1d 00 00 00 1e 00 00 00 1e 00 00 00 > 040: 1f 00 00 00 1f 00 00 00 00 00 00 00 00 00 00 00 > 050: 01 00 00 00 01 00 00 00 02 00 00 00 02 00 00 00 > Prev obj: start=0000000398f5120b, len=256 > Unable to handle kernel paging request at 0000000398f5130b RIP: > print_objinfo+0x22/0xde > > > Could anyone give me some hints how to track down the SLAB corruption? have you already looked at Documentation/vm/slub.txt ? --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code ***