From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: with ECARTIS (v1.0.0; list xfs); Fri, 17 Oct 2008 00:00:09 -0700 (PDT) Received: from cuda.sgi.com (cuda2.sgi.com [192.48.168.29]) by oss.sgi.com (8.12.11.20060308/8.12.11/SuSE Linux 0.7) with ESMTP id m9H6xtmM028663 for ; Thu, 16 Oct 2008 23:59:56 -0700 Received: from sorrow.cyrius.com (localhost [127.0.0.1]) by cuda.sgi.com (Spam Firewall) with ESMTP id 8D27150AD25 for ; Fri, 17 Oct 2008 00:01:39 -0700 (PDT) Received: from sorrow.cyrius.com (sorrow.cyrius.com [65.19.161.204]) by cuda.sgi.com with ESMTP id S0YCgWeucCN79vO9 for ; Fri, 17 Oct 2008 00:01:39 -0700 (PDT) Date: Fri, 17 Oct 2008 09:01:09 +0200 From: Martin Michlmayr Subject: Re: XFS filesystem corruption on the arm(el) architecture Message-ID: <20081017070109.GA30726@deprecation.cyrius.com> References: <1222893502.5020.40.camel@moria> <20081002004556.GB30001@disturbed> <48E4213E.9090508@sandeen.net> <20081016212500.GA27228@deprecation.cyrius.com> <48F7BC9F.4080909@sandeen.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <48F7BC9F.4080909@sandeen.net> Sender: xfs-bounce@oss.sgi.com Errors-to: xfs-bounce@oss.sgi.com List-Id: xfs To: Eric Sandeen Cc: Tobias Frost , linux-kernel@vger.kernel.org, debian-arm@lists.debian.org, xfs@oss.sgi.com * Eric Sandeen [2008-10-16 17:13]: > So is this a regression? did it used to work? If so, when? :) The original report was with 2.6.18 but that was with the old ABI: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=423562 I just installed a 2.6.22 kernel with EABI and I can also trigger the bug. So it's not a (recent) regression. > What's a little odd is that the buffer it dumped out looks like the > beginning of a perfectly valid superblock for your filesystem > (magic, block size, and block count all match). If you printk the > "bno" variable right around line 2106 in xfs_da_btree.c, can you see > what you get? bno is 0. > creating an xfs_metadump of the filesystem for examination on a > non-arm box might also be interesting. http://www.cyrius.com/tmp/dump5 (11 MB) -- Martin Michlmayr http://www.cyrius.com/