From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from magic.merlins.org ([209.81.13.136]:43448 "EHLO mail1.merlins.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752700Ab3ANG2M (ORCPT ); Mon, 14 Jan 2013 01:28:12 -0500 Date: Sun, 13 Jan 2013 22:28:05 -0800 From: Marc MERLIN To: Hugo Mills , linux-btrfs@vger.kernel.org Subject: Re: kernel BUG at fs/btrfs/volumes.c:3707 still not fixed in 3.7.1 (btrfs-zero-log required) but shown as "RIP btrfs_num_copies" Message-ID: <20130114062805.GA9137@merlins.org> References: <20130108164958.GA2044@merlins.org> <20130108171012.GP19051@carfax.org.uk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20130108171012.GP19051@carfax.org.uk> Sender: linux-btrfs-owner@vger.kernel.org List-ID: On Tue, Jan 08, 2013 at 05:10:12PM +0000, Hugo Mills wrote: > > If that helps, here's what I got after the fact when trying to mount the > > broken filesystem before zero'ing logs > [snip] > > That information may also be helpful in conjunction with the > btrfs-image dump of a broken FS. I'm not sure how much help it is on > its own (but thanks for providing it anyway). > > Hugo. Ok, that didn't take long. I had the bug again, and I was able to take a brtfs-image that completed. (It was failing earlier because I was taking the image of my root mounted filesystem, which apparently isn't ok ;) ). gandalfthegreat:~# btrfs-image -c9 /dev/mapper/root /var/tmp/image Check tree block failed, want=73949184, have=14419929907352990360 Check tree block failed, want=73949184, have=14419929907352990360 Check tree block failed, want=73949184, have=12288424950725929455 Check tree block failed, want=73949184, have=14419929907352990360 Check tree block failed, want=73949184, have=14419929907352990360 read block failed check_tree_block Is here: http://marc.merlins.org/tmp/image (803M) Hopefully this helps. Marc -- "A mouse is a device used to point at the xterm you want to type in" - A.S.R. Microsoft is to operating systems .... .... what McDonalds is to gourmet cooking Home page: http://marc.merlins.org/