Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751118AbWH3IOr (ORCPT ); Wed, 30 Aug 2006 04:14:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751119AbWH3IOr (ORCPT ); Wed, 30 Aug 2006 04:14:47 -0400 Received: from pfepa.post.tele.dk ([195.41.46.235]:62169 "EHLO pfepa.post.tele.dk") by vger.kernel.org with ESMTP id S1751118AbWH3IOq (ORCPT ); Wed, 30 Aug 2006 04:14:46 -0400 Subject: Re: Linux v2.6.18-rc5 From: Kasper Sandberg To: Jesper Juhl Cc: Nathan Scott , Linus Torvalds , Linux Kernel Mailing List In-Reply-To: <9a8748490608281630v26db3164y4f104d13a3b201b6@mail.gmail.com> References: <9a8748490608280310q65c1335cr2603b044c340a489@mail.gmail.com> <1156760869.24904.1.camel@localhost> <9a8748490608280335w4474b489u45b3b0b05b7f2f44@mail.gmail.com> <20060829083643.A3150749@wobbly.melbourne.sgi.com> <9a8748490608281630v26db3164y4f104d13a3b201b6@mail.gmail.com> Content-Type: text/plain Date: Wed, 30 Aug 2006 10:14:27 +0200 Message-Id: <1156925667.28597.1.camel@localhost> Mime-Version: 1.0 X-Mailer: Evolution 2.4.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2290 Lines: 51 On Tue, 2006-08-29 at 01:30 +0200, Jesper Juhl wrote: > On 29/08/06, Nathan Scott wrote: > > On Mon, Aug 28, 2006 at 12:35:00PM +0200, Jesper Juhl wrote: > > > On 28/08/06, Kasper Sandberg wrote: > > > > On Mon, 2006-08-28 at 12:10 +0200, Jesper Juhl wrote: > > > > > Not really a regression, more like a long standing bug, but XFS has > > > > > issues in 2.6.18-rc* (and earlier kernels, at least post 2.6.11). > > > > and you are saying this issue exists in all post .11 kernels? > > > > I would be surprised if this is not a day one bug, it probably > > even affects the IRIX version of XFS. Our problem is the lack > > of a test case to find it - my efforts have come to naught so > > far. I'm having to cross my fingers that Jesper can extract a > > bit more information when he's next able to hit it. > > > I'm trying my best, but it's difficult. Often I can only run the -rc > kernel for a few hours on the box that currently shows the problem, > and that's not enough to hit the fault. > I've configured a XFS partition on my home workstation and I'm keeping > that one busy doing various rsync's and running benchmarks etc - > putting as much different stress on the XFS filesystem as I can. I'm > also setting up a test box at work to try and duplicate the problem on > a non-production server. I won't be able to duplicate the setup > exactly, but it'll be close. i have nyself tested xfs in -rc5 now, doing rsync over and over, and been unable to hit any problem, it indeed seems very hard to reproduce. > > > > > > See the thread titled "2.6.18-rc3-git3 - XFS - BUG: unable to handle > > > > > kernel NULL pointer dereference at virtual address 00000078" for the > > > > > full story. > > > > That, and another story - Jesper hijacked that thread ;) - the > > Sorry ;) > > > inital bug there was found and fixed, and the fix has now been > > merged. But (fyi, Kasper) much of that thread is discussing a > > different bug to this one. > > > > True. I should have emphasised that. > > - 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/