From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758467AbZBFPhd (ORCPT ); Fri, 6 Feb 2009 10:37:33 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753465AbZBFPhX (ORCPT ); Fri, 6 Feb 2009 10:37:23 -0500 Received: from rcsinet13.oracle.com ([148.87.113.125]:33645 "EHLO rgminet13.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753335AbZBFPhV (ORCPT ); Fri, 6 Feb 2009 10:37:21 -0500 Subject: Re: next-20090206: kernel BUG at mm/slub.c:1132 From: Chris Mason To: Alexander Beregalov Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-btrfs@vger.kernel.org, "linux-next@vger.kernel.org" In-Reply-To: References: Content-Type: text/plain Date: Fri, 06 Feb 2009 10:37:10 -0500 Message-Id: <1233934630.17551.1.camel@think.oraclecorp.com> Mime-Version: 1.0 X-Mailer: Evolution 2.24.1 Content-Transfer-Encoding: 7bit X-Source-IP: acsmt706.oracle.com [141.146.40.84] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A010208.498C5929.01CE:SCFSTAT928724,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 2009-02-06 at 18:10 +0300, Alexander Beregalov wrote: > Hi > > I run dbench on btrfs, which is on file on xfs > > btrfs: disabling barriers on dev /dev/loop/0 > ------------[ cut here ]------------ > kernel BUG at mm/slub.c:1132! > invalid opcode: 0000 [#1] PREEMPT SMP DEBUG_PAGEALLOC > last sysfs file: /sys/kernel/uevent_seqnum Btrfs hammers on slab caches quite a lot, can you reproduce this without loop or without btrfs? -chris