From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from omr-d06.mx.aol.com ([205.188.109.203]:65461 "EHLO omr-d06.mx.aol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1761303AbaGRJgq (ORCPT ); Fri, 18 Jul 2014 05:36:46 -0400 Message-ID: <53C8E900.7070302@aol.de> Date: Fri, 18 Jul 2014 11:29:36 +0200 From: Karl-Philipp Richter MIME-Version: 1.0 To: Gui Hecheng CC: linux-btrfs@vger.kernel.org Subject: Re: Assertion `!(exist->nmirrors >= 2)' failed References: <53A9809C.30705@aol.de> <1403659201.22912.2.camel@localhost.localdomain> In-Reply-To: <1403659201.22912.2.camel@localhost.localdomain> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="U1IVvd0lI8i69X0Tx0hGRcmtb1iKgHUEp" Sender: linux-btrfs-owner@vger.kernel.org List-ID: This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --U1IVvd0lI8i69X0Tx0hGRcmtb1iKgHUEp Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable Hi Gui, I'm getting back at this a bit late, but I could now run `btrfsck --repair` with btrfs-progs 24cf4d8c3ee924b474f68514e0167cc2e602a48d on Linux 3.16-rc5 in an Oracle VirtualBox VM with Ubuntu 14.04. It doesn't suceed yet, but at least I'm not getting immediate errors. Best regards, Karl Am 25.06.2014 03:20, schrieb Gui Hecheng: > On Tue, 2014-06-24 at 15:43 +0200, Karl-Philipp Richter wrote: >> Hi together, >> I wondered whether >> >> $ sudo btrfs rescue chunk-recover -y /dev/loop2p1 >> btrfs: chunk-recover.c:124: process_extent_buffer: Assertion >> `!(exist->nmirrors >=3D 2)' failed. >> $ echo $? >> 134 >=20 > Hi, Karl > For the Assertion above, this one below may do a help. > https://patchwork.kernel.org/patch/4339091/ >=20 > -Gui >=20 >> is an error in btrfs or an error message of (the correctly working) >> btrfs. Any ideas what this could mean? I'm having this trouble with a >> system which is so messed up that I even can't restore >> >> $ sudo btrfs restore /dev/loop2p1 /mnt/data_extension/restore >> parent transid verify failed on 1068982272 wanted 47618 found 4757= 5 >> parent transid verify failed on 1068982272 wanted 47618 found 4757= 5 >> parent transid verify failed on 1068982272 wanted 47618 found 4757= 5 >> parent transid verify failed on 1068982272 wanted 47618 found 4757= 5 >> Ignoring transid failure >> leaf parent key incorrect 1068982272 >> Couldn't setup extent tree >> parent transid verify failed on 1068982272 wanted 47618 found 4757= 5 >> Ignoring transid failure >> leaf parent key incorrect 1068982272 >> Couldn't read fs root: -1 >> >> I'm issueing the command because it seems to be the last thing I can d= o >> to rescue any data of that partition. >> >> This occurs with v3.12 (output of `btrfs --version`) as well as the >> latest commit 24cf4d8c3ee924b474f68514e0167cc2e602a48d of btrfs-progs.= >> >> Best regards, >> Kalle Richter >> >=20 >=20 --U1IVvd0lI8i69X0Tx0hGRcmtb1iKgHUEp 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 Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQEcBAEBAgAGBQJTyOkAAAoJEGadKJ8eJ7ZG5GAIAJpNXh70ypL1HKNyWnzqmf4Y XusKCJv/3dmZtXJ/Ddrei22m7aHzZ4WAy2G9jQesxtKnYU19LgYT7cGt7dHTZdHa gGP3dUAhMIvQEabJ9cOfK3rjy1hcWS/ku4SrNoTLcwPAoxtMXhVJzDww7aObWF0A YxuWL6hMhCOMqQC5waWf19GovfAKVrjmWEA3/uPgjtal4W89MCvOXTlp2PEpHlM0 7zxnFevyUPClsLrYluNCa2MmenbqjPka1DMeKpFHqePRbPFTS2QF0Q6cVWMSaR0O ak5AQ2AabuTeYX4JAr4KoOA0SC6kfDpnmYWzN5tXO9NNyGJSfi1nzH1KckIOK3w= =bYzV -----END PGP SIGNATURE----- --U1IVvd0lI8i69X0Tx0hGRcmtb1iKgHUEp--