From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262023AbULVTwN (ORCPT ); Wed, 22 Dec 2004 14:52:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262024AbULVTwN (ORCPT ); Wed, 22 Dec 2004 14:52:13 -0500 Received: from bender.bawue.de ([193.7.176.20]:44243 "EHLO bender.bawue.de") by vger.kernel.org with ESMTP id S262023AbULVTwJ (ORCPT ); Wed, 22 Dec 2004 14:52:09 -0500 Date: Wed, 22 Dec 2004 20:52:03 +0100 From: Joerg Sommrey To: Christoph Hellwig , Linux kernel mailing list Subject: Re: Oops on 2.6.9-ac16: xfs, dm and md may be involved Message-ID: <20041222195203.GA24857@sommrey.de> Mail-Followup-To: Joerg Sommrey , Christoph Hellwig , Linux kernel mailing list References: <20041221185754.GA28356@sommrey.de> <20041222182606.GA14733@infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20041222182606.GA14733@infradead.org> User-Agent: Mutt/1.5.6+20040722i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Dec 22, 2004 at 06:26:06PM +0000, Christoph Hellwig wrote: > On Tue, Dec 21, 2004 at 07:57:54PM +0100, Joerg Sommrey wrote: > > Hello, > > > > last night my box died with a kernel oops. There was a backup > > running at that time. The setup: > > - 2 SATA disks + 1 SCSI disk > > - SATA partitions build up md-raid-arrays (level 0 and 1) > > - md-raid-devices and SCSI partitions are physical volumes for dm > > - dm logical volumes are used for xfs filesystems > > - backup is done on dm-snapshots of those filesystems > > Given the strange backtrace and this enormous stack of drivers I bet > you're seeing a stack overflow. > Does this mean that this kind of stuff just doesn't work? I was running a 4K-stack kernel with this "stack of drivers" for quiet some time without problems. The problems started around 2.6.9-pre-something. Converting to 8K-stacks didn't help. Is this only xfs related? -jo -- -rw-r--r-- 1 jo users 63 2004-12-21 21:16 /home/jo/.signature