From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id DCC74C43603 for ; Sat, 7 Dec 2019 04:33:10 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8BAE3206DF for ; Sat, 7 Dec 2019 04:33:10 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="WCIYmBsT" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726421AbfLGEbi (ORCPT ); Fri, 6 Dec 2019 23:31:38 -0500 Received: from mout.gmx.net ([212.227.17.22]:36143 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726371AbfLGEbh (ORCPT ); Fri, 6 Dec 2019 23:31:37 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1575693080; bh=6Wx2vKdpCUs7dLpNeQtGzN9RsSBo/Gi827oo02sErd8=; h=X-UI-Sender-Class:Subject:To:Cc:References:From:Date:In-Reply-To; b=WCIYmBsTrcBaTCsI/pOGL0Q6Fx9HOjgz0Vj3yDmFNp4vx72/0nOqjShazPqY2XNsU xKej82iN1kkocuw0nui6AU+qcWOiIg+v7uBcE9StN8Xy31ZqtImblWv0TRkNsaoPzY fzSyts/ZFMe6Bqwpi6UU5Bm7fh61OKlDAE7xo0OU= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([13.231.109.76]) by mail.gmx.com (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1Md6R1-1i3YhR3ff9-00aDN3; Sat, 07 Dec 2019 05:31:20 +0100 Subject: Re: [PATCH] btrfs-progs: Skip device tree when we failed to read it To: Christian Wimmer , Qu WenRuo Cc: Anand Jain , "linux-btrfs@vger.kernel.org" References: <20191206034406.40167-1-wqu@suse.com> <2a220d44-fb44-66cf-9414-f1d0792a5d4f@oracle.com> <762365A0-8BDF-454B-ABA9-AB2F0C958106@icloud.com> <94a6d1b2-ae32-5564-22ee-6982e952b100@suse.com> <4C0C9689-3ECF-4DF7-9F7E-734B6484AA63@icloud.com> From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; 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Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: <4C0C9689-3ECF-4DF7-9F7E-734B6484AA63@icloud.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="mPouf4pf5NkVDpZx2TV4xIxDEgtmbfkr7" X-Provags-ID: V03:K1:+ND9W8Woirnfq2ee9gS8rVFRO4ZjFlbL3Wk6vaBDNZEgmnPTxP9 tXUHtbT/ie2f5zW+FE52qvCGq2rc/ybNUOMgsUBdvyjB7OV+tgdncqzRQrWjkAGC3JiiJcH Asw7cm7x8b5Oc53DoceYEcYU+/+UCkP6aeOn0UTpneGc8bMlEjx2gg7hv0mTKt+yHhFnRtX AHi/w7yLEudR0Py+Duyyg== X-UI-Out-Filterresults: notjunk:1;V03:K0:9SRKpM0frv8=:71MuGmz9tAtR5QyfVf0WEm wsf2KeerxIW6wCmmWpz5SmQGdPoGfl4Z9vk8YA8TOelHQyAF+P4YTTo8WTKwnQnhLC87FkGtW mJg7knQps1erL5q9oiak57E0T/z7vqzWDuGmeHusX52vcEaOo3CY3BQyucEegYeHtt/oFmZAQ iaA49418NbGk85x9NBdHVSyIrcmB0BKbEz/kMhmQM0Pw8RaCKlSObPIWqzVgt1Vsb6d9u4rl6 vzP1nnJvzuaxlcmWJ0rXo88JFHSwHysacuNd/1PZ42yWyeSKerdy57qRmqcctBSxoMumve6a7 WcX9gXub4LFFiNJwRKZ1tvSYSIErS2q8KRxuS288NuPrLyVdCthB4OdIW7o3JfO3fOoMUYA1U JHgElVmBTSd8EFdxs8GfAEKAdXUB8kRaIFDm+qB9fOlHy/sTIF8oDbdrvkdeie09+5gah7gv1 7Vbp/ak8frj3DR0likj1o4hsm6HJF+xKrtFZ6Umcvy5AblJcBTWMR5d6VNGWKDEDbH3rnEgbH /osfhjRJxupcnOy6QwxnVJCs3U3CyFt1H0GJSYFojvPCmirRv6/w5rd0wf+M6sRvFsfKQxzMg Z6yX8rgRjqNDyZbQr+E4DRut+3IKs6N5ovoF2V5+rhF8iL4lfBV9YOn7aelIF0OH3FiWT3FMe vhZ0S7Q4HQIVyngc1a0ewxRU1hPJrpaCyBSqQsjw3ooRMKzTGv9TrPgp+ywvFNHwHe0exxGr9 aHBaWns1E0U4pAJ2XfufK5K9tW0C9LrXCqS4umQuz1kOB/otuNcKT599zuTGEKv7H0Jkt1guU hBlx3oGevUWUSRF0gIaXJvnSQegQVwo7WcA9AYPMGvYryGd0e6eINaF/HcX/PjuH1Pp1WP9+7 +QDbIt2fIemSqhHOa6BNl3Wp7rJuDBlmXmrqRoYNET/PwLGRigaAExdwQ047FIaBXJ5MYn/0t I1NZ1n5gABvXskiYSqryQrNIHkVQN26pZoAXs8Iz8n+MoDqutSIr4J8oiGPwW5CFsa2cYByZC SVzzSO7XM3fPzQI46JnkvFEvF70H5A2LInB8Gx0uCsA4EvP1lkWMqREM/3HF9ELb3D7z6EUbx VD2RUFf8UUxsWDW/cc8v8VG9uAKW4V9zL5f5vCuLm/TanRqRYh7pC06iHAdGjssPeYzcgG41S sxfMdJH6FYeevRF4fYnlQ4GDki8VGGV6MIDmhRJ4yPwY1JKlwDlD0AghSNZQ6vFJAVdMK761P ExlkSc/dBPe10CUF9sG5g3Px5jGS9+mIq/aix4WGhGGQYhSDyG39kdD/VEi0= Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --mPouf4pf5NkVDpZx2TV4xIxDEgtmbfkr7 Content-Type: multipart/mixed; boundary="tqUb97hepEK8KeaH4iUMrZZJjCkdBuDZS" --tqUb97hepEK8KeaH4iUMrZZJjCkdBuDZS Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/12/7 =E4=B8=8A=E5=8D=8811:47, Christian Wimmer wrote: > Hi Qu, >=20 >=20 >> Chunk tree is good, so is root tree and extent tree. >> >> You can go btrfs restore without problem. (Of course, need to use >> patched version) >> >> Thanks, >> Qu >=20 >=20 > Unfortunately I can not restore the contents: >=20 > # ./btrfs restore /dev/sdb1 test/ > checksum verify failed on 5349895454720 found 000000A8 wanted 00000000 > checksum verify failed on 5349895454720 found 000000A8 wanted 00000000 > checksum verify failed on 5349895454720 found 000000A8 wanted 00000000 > bad tree block 5349895454720, bytenr mismatch, want=3D5349895454720, ha= ve=3D14275350892879035392 > WARNING: could not setup device tree, skipping it > checksum verify failed on 3541835317248 found 00000044 wanted 00000000 > checksum verify failed on 3541835317248 found 00000061 wanted 0000001C > checksum verify failed on 3541835317248 found 00000061 wanted 0000001C > bad tree block 3541835317248, bytenr mismatch, want=3D3541835317248, ha= ve=3D18445340955138505899 This is another tree block corrupted, not the one in device tree. And unfortunately, it's the fs tree (from your previews reply), and that's not a good news. This proved one bad news, there are more corruptions than we thought. BTW, do you have any subvolumes/snapshots? Since the corruption is in fs tree, we may have chances for other trees. You can try "btrfs restore -l " grab the numbers and pass it to "btrfs restore -r " to try to recover other subvolumes/snapshot. Thanks, Qu > Error searching -5 > #=20 >=20 > What else can I try? >=20 > Thanks, >=20 > Chris >=20 >=20 --tqUb97hepEK8KeaH4iUMrZZJjCkdBuDZS-- --mPouf4pf5NkVDpZx2TV4xIxDEgtmbfkr7 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl3rKxAACgkQwj2R86El /qju6AgAoS3+0lZWkB/jdKDoHgwmdjheq5cn4ly4lfSI6Wx7VqVxYT5bh3j0IwPh mTfGs3PnibrHuD3wwTl7jqDqZWARsLjUW4FNjv0V3YtXYd1pm9tA41ZXtbCPS06M p1adbJe1YvNB6hQcOvJbxMQo4FgGFBaGqk+lGQ35VA1mMAld0KZFrqc4LOcFuFpq 4pM/fEgwkfS1H7t1LzbJA/alAMmlaEdYdhJfH6DFk7Ub6Sv2Kfpy6qrwmb/BEcyD Rg2CxqtozEQ3I5RB2aF7s1IRb2OClEFCD34FV+5vfWJ3sog4TrE3RqZkLf3Vt/Tx E0WI5XszHH0D+s13If1EwBEQrXI9cQ== =LLPG -----END PGP SIGNATURE----- --mPouf4pf5NkVDpZx2TV4xIxDEgtmbfkr7--