From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail1207.opentransfer.com ([98.130.1.227]:33095 "EHLO mail1207.opentransfer.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752125Ab3HVK27 (ORCPT ); Thu, 22 Aug 2013 06:28:59 -0400 Message-ID: <5215E7E8.8030208@friendlyvirus.org> Date: Thu, 22 Aug 2013 11:28:56 +0100 From: =?ISO-8859-1?Q?Miguel_Negr=E3o?= MIME-Version: 1.0 To: "list, btrfs" Subject: Re: btrfs check : extent-tree.c:283: find_search_start: Assertion `!(1)' failed References: <5213A46C.20701@friendlyvirus.org> In-Reply-To: <5213A46C.20701@friendlyvirus.org> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="CmO0TLx4JRW9RhPQQEqxVwtIQBNvBw9sr" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --CmO0TLx4JRW9RhPQQEqxVwtIQBNvBw9sr Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Forgot to ask the important question, is it still possible to recover this filesystem or is it doomed ? best, Miguel Em 20-08-2013 18:16, Miguel Negr=E3o escreveu: > Hi, >=20 > I have a btrfs partition on a usb external hard drive which doesn't > mount anymore. I tried doing a btrfs check on it, but it fails with the= > error on the subject. The btrfs progs were compiled from git today. I > have a backup of this partition elsewhere, so I can restore from there > if all else fails. >=20 > The output of >=20 > sudo btrfs check --repair /dev/sdc1 > ~/log/btfs-repair-1.log 2>&1 >=20 > was >=20 > parent transid verify failed on 7624175616 wanted 1431 found 1428 > parent transid verify failed on 7624175616 wanted 1431 found 1428 > Ignoring transid failure > leaf parent key incorrect 7624175616 > checking extents > parent transid verify failed on 7624175616 wanted 1431 found 1428 > Ignoring transid failure >=20 > ... >=20 >=20 > leaf parent key incorrect 7717249024 > Unable to find block group for 0 > btrfs: extent-tree.c:283: find_search_start: Assertion `!(1)' failed. > enabling repair mode > Checking filesystem on /dev/sdc1 > UUID: 42688de3-f4ed-4592-bb34-02c9d5014e51 >=20 >=20 >=20 > best, >=20 --=20 Miguel Negr=E3o http://www.friendlyvirus.org/miguelnegrao --CmO0TLx4JRW9RhPQQEqxVwtIQBNvBw9sr Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJSFefpAAoJEPo6SjfPe12DEo4H/0rKf39WbBsVlJsQ+B9i6Xws JDkDXyIAttb33ZV1+cZ98JRsPkCZOWe283ndoXwvjfvwF9/gwdXOt3YoHNZunDWl r+OQqDOo61axCciX5i+EhV0njL9nmykKfuuj46fZcFNyAe2e49u6V2gH9ww0ATaC 1oCD2tbv5iHo9vStrNrtqdKyggdSTeKN4c3BURyc2drOSWD6hwCJBfmf3LkLlb+R dpBgnILziaUmo5jETbabpww7VJTSHPyi3Snw+ddzXAncyRK4Z6DkE+RD3rbhq2EF F47bHPy4RowEpl0tfSl35fNuBE8JhSI/JkG3R28UZHQECLcTUR91s8JuP/UmYh8= =veAa -----END PGP SIGNATURE----- --CmO0TLx4JRW9RhPQQEqxVwtIQBNvBw9sr--