From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from cuda.sgi.com (cuda2.sgi.com [192.48.176.25]) by oss.sgi.com (8.14.3/8.14.3/SuSE Linux 0.8) with ESMTP id q9TCJPWp163540 for ; Mon, 29 Oct 2012 07:19:25 -0500 Received: from ipmail04.adl6.internode.on.net (ipmail04.adl6.internode.on.net [150.101.137.141]) by cuda.sgi.com with ESMTP id VBKGP1yN0CqfHNOs for ; Mon, 29 Oct 2012 05:21:13 -0700 (PDT) Date: Mon, 29 Oct 2012 23:21:11 +1100 From: Dave Chinner Subject: Re: Problems with kernel 3.6.x (vm ?) (was : Is kernel 3.6.1 or filestreams option toxic ?) Message-ID: <20121029122111.GR29378@dastard> References: <508554AF.5050005@univ-nantes.fr> <50865453.5080708@univ-nantes.fr> <508958FF.4000007@univ-nantes.fr> <20121025211047.GD29378@dastard> <508A600C.1020109@univ-nantes.fr> <508B092E.6070209@univ-nantes.fr> <20121028234802.GE4353@dastard> <20121029012540.GO29378@dastard> <508E3A2E.20901@univ-nantes.fr> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <508E3A2E.20901@univ-nantes.fr> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: Yann Dupont Cc: xfs@oss.sgi.com On Mon, Oct 29, 2012 at 09:11:26AM +0100, Yann Dupont wrote: > Le 29/10/2012 02:25, Dave Chinner a =E9crit : > >I can't reproduce this with a similar setup but using KVM (i.e. > >killing the VM instead of power cycling) or forcing a shutdown of > >the filesystem without flushing the log. The second case is very > >much the same as power cycling, but without the potential "power > >failure caused partial IOs to be written" problem. The only thing > >I can see in the logprint that I haven't seen so far in my testing > >is that your log print indicates a checkpoint that wraps the end > >of the log. I haven't yet hit that situation by chance, so I'll > >keep trying to see if that's the case that is causing the > >problem.... Cheers, Dave. > = > Ok, is your kvm guest was lvm enabled ? No. The idea being that if it is an XFS problem, then it will show up without needing LVM. And it did. > I'll try to recrash the FS, this time I'll make an image of it on > another machine for further testings. And I'll supply a usefull > logprint No need, I have a simple local reproducer now based on your example. I should be able to find the problem from here.... Cheers, Dave. -- = Dave Chinner david@fromorbit.com _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs