From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from frost.carfax.org.uk ([85.119.82.111]:59906 "EHLO frost.carfax.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751931AbaCWReM (ORCPT ); Sun, 23 Mar 2014 13:34:12 -0400 Date: Sun, 23 Mar 2014 17:34:09 +0000 From: Hugo Mills To: Marc MERLIN Cc: linux-btrfs@vger.kernel.org, Duncan <1i5t5.duncan@cox.net> Subject: Re: ERROR: error during balancing '.' - No space left on device Message-ID: <20140323173409.GG25400@carfax.org.uk> References: <20140323114712.GC25400@carfax.org.uk> <20140323162000.GK12833@merlins.org> <20140323162825.GF25400@carfax.org.uk> <20140323170314.GM12833@merlins.org> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="E69HUUNAyIJqGpVn" In-Reply-To: <20140323170314.GM12833@merlins.org> Sender: linux-btrfs-owner@vger.kernel.org List-ID: --E69HUUNAyIJqGpVn Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Sun, Mar 23, 2014 at 10:03:14AM -0700, Marc MERLIN wrote: > On Sun, Mar 23, 2014 at 04:28:25PM +0000, Hugo Mills wrote: > > Before you do this, can you take a btrfs-image of your metadata, > > and add a report to bugzilla.kernel.org? You're not the only person > > who's had this problem recently, and I suspect there's something > > still lurking in there that needs attention. > > > > > Hopefully this will be handled better in later code. > > > > With the info you can provide from a btrfs-image... let's hope so. :) > > Mmmh, this may not be good :-/ > > legolas:/mnt/btrfs_pool2# btrfs-image -c 9 -t 6 /dev/mapper/disk2 /tmp/pool2.image > parent transid verify failed on 295965446144 wanted 51493 found 51495 > parent transid verify failed on 295965446144 wanted 51493 found 51495 > parent transid verify failed on 295965446144 wanted 51493 found 51495 > parent transid verify failed on 295965446144 wanted 51493 found 51495 > Ignoring transid failure > leaf parent key incorrect 295965446144 > parent transid verify failed on 106205184 wanted 51468 found 51528 > parent transid verify failed on 106205184 wanted 51468 found 51528 > parent transid verify failed on 106205184 wanted 51468 found 51528 > parent transid verify failed on 106205184 wanted 51468 found 51528 [snip] > Segmentation fault > > Is it a bug in the tool, or do I have real corruption? > > Are there magic options I can give it to make it work around this? xaba on IRC has just pointed out that it looks like you're running this on a mounted filesystem -- it needs to be unmounted for btrfs-image to work reliably. Hugo. -- === Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk === PGP key: 65E74AC0 from wwwkeys.eu.pgp.net or http://www.carfax.org.uk --- Unix: For controlling fungal diseases in crops. --- --E69HUUNAyIJqGpVn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIVAwUBUy8bEFheFHXiqx3kAQJ2pA//aiJJkxKSlOTJUYw/pEXZBv2JDCpr5Hj+ AOUK+2Uo+do8ryfRE8inS5/uAmxS0akf/SA4zvH79RtIQaL/F64iMxg/dpxWeMMQ vClDL7b2NPR4uNbVV7j655iV7k28y4QFiJKzAfC0zFEAuxFQpfiy2Yerh3niNzxM 1Frl3KqMMJAU51jbJUQ5abtG30JPqNL2GbQx8qjh9CVVcR5OjpCN+ShuFdp9WaPh VMcm9QjyXiuufyYR7ahAKXoQbLrD76iB97qf2yfgVMrrX/9qkhTavqLGlOAHVLTp rwxYqHroiFhAx1P23+sQVM3v7x9fsfvfdYZnyo356yKIPHUTCv27hZ21bXJbMxZ7 otazCpqHpeFB+/pxc8D1JTP8AnyRPPEfExtAQlWXUBuymaOuzHoMVCA6WUuon/dd Cwe+DzVcUdbvW6YfgwgINWNIFYFbPME3hAqzlbDOO/oj8ooeheDemvsCyID0vJIG MrQDSKabmdQqPwuKU8uFmqehZhP7gMcE3Oo1yZ6hFiLwVglI3CFAlfmb7ENakc/z rVf1i1/EEKClnRNqHo4fsTHD54z6zt7LEqIVaSVARy/7NnLc3NwiOVToNKPMV/FU TnlumJphcnrruHOoHG51GLxwCvm4BSbgGUtJsOGn+ZMVu6shiUxQ4CyM1JQNidBR wXqAmFZSbss= =ZXc7 -----END PGP SIGNATURE----- --E69HUUNAyIJqGpVn--