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=-2.2 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 2EF10C4BA06 for ; Thu, 27 Feb 2020 08:26:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id EAACE222C2 for ; Thu, 27 Feb 2020 08:26:03 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="JaOnxHFF" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728526AbgB0I0D (ORCPT ); Thu, 27 Feb 2020 03:26:03 -0500 Received: from mout.gmx.net ([212.227.17.20]:43289 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728454AbgB0I0C (ORCPT ); Thu, 27 Feb 2020 03:26:02 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1582791960; bh=9jqWe9QprVPw7Mn+lQulO2O0SINGFitZsSbA5mUb5AA=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=JaOnxHFFisRZ+tOFztCymcISQL7bmBnBkVVweNDOG9qDvOd+kTKmjos4MBnGfFmpd Y+srR2340jxxnvelK8gHT+vWWJ57A4A89pBSJ/5tJM4OS8l4LRlVBYrWKFAJOryEk/ FAXObHZU27yhGk2dmtmQzUf7FnBPI7sZwbqLMuTk= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.com (mrgmx104 [212.227.17.174]) with ESMTPSA (Nemesis) id 1N6sn1-1jTVqC37vj-018Jcy; Thu, 27 Feb 2020 09:26:00 +0100 Subject: Re: corrupt leaf To: 4e868df3 <4e868df3@gmail.com>, linux-btrfs@vger.kernel.org References: From: Qu Wenruo Autocrypt: addr=quwenruo.btrfs@gmx.com; prefer-encrypt=mutual; keydata= mQENBFnVga8BCACyhFP3ExcTIuB73jDIBA/vSoYcTyysFQzPvez64TUSCv1SgXEByR7fju3o 8RfaWuHCnkkea5luuTZMqfgTXrun2dqNVYDNOV6RIVrc4YuG20yhC1epnV55fJCThqij0MRL 1NxPKXIlEdHvN0Kov3CtWA+R1iNN0RCeVun7rmOrrjBK573aWC5sgP7YsBOLK79H3tmUtz6b 9Imuj0ZyEsa76Xg9PX9Hn2myKj1hfWGS+5og9Va4hrwQC8ipjXik6NKR5GDV+hOZkktU81G5 gkQtGB9jOAYRs86QG/b7PtIlbd3+pppT0gaS+wvwMs8cuNG+Pu6KO1oC4jgdseFLu7NpABEB AAG0IlF1IFdlbnJ1byA8cXV3ZW5ydW8uYnRyZnNAZ214LmNvbT6JAU4EEwEIADgCGwMFCwkI BwIGFQgJCgsCBBYCAwECHgECF4AWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1oQAKCRDC PZHzoSX+qCY6CACd+mWu3okGwRKXju6bou+7VkqCaHTdyXwWFTsr+/0ly5nUdDtT3yEVggPJ 3VP70wjlrxUjNjFb6iIvGYxiPOrop1NGwGYvQktgRhaIhALG6rPoSSAhGNjwGVRw0km0PlIN D29BTj/lYEk+jVM1YL0QLgAE1AI3krihg/lp/fQT53wLhR8YZIF8ETXbClQG1vJ0cllPuEEv efKxRyiTSjB+PsozSvYWhXsPeJ+KKjFen7ebE5reQTPFzSHctCdPnoR/4jSPlnTlnEvLeqcD ZTuKfQe1gWrPeevQzgCtgBF/WjIOeJs41klnYzC3DymuQlmFubss0jShLOW8eSOOWhLRuQEN BFnVga8BCACqU+th4Esy/c8BnvliFAjAfpzhI1wH76FD1MJPmAhA3DnX5JDORcgaCbPEwhLj 1xlwTgpeT+QfDmGJ5B5BlrrQFZVE1fChEjiJvyiSAO4yQPkrPVYTI7Xj34FnscPj/IrRUUka 68MlHxPtFnAHr25VIuOS41lmYKYNwPNLRz9Ik6DmeTG3WJO2BQRNvXA0pXrJH1fNGSsRb+pK EKHKtL1803x71zQxCwLh+zLP1iXHVM5j8gX9zqupigQR/Cel2XPS44zWcDW8r7B0q1eW4Jrv 0x19p4P923voqn+joIAostyNTUjCeSrUdKth9jcdlam9X2DziA/DHDFfS5eq4fEvABEBAAGJ ATwEGAEIACYCGwwWIQQt33LlpaVbqJ2qQuHCPZHzoSX+qAUCXZw1rgUJCWpOfwAKCRDCPZHz oSX+qFcEB/95cs8cM1OQdE/GgOfCGxwgckMeWyzOR7bkAWW0lDVp2hpgJuxBW/gyfmtBnUai fnggx3EE3ev8HTysZU9q0h+TJwwJKGv6sUc8qcTGFDtavnnl+r6xDUY7A6GvXEsSoCEEynby 72byGeSovfq/4AWGNPBG1L61Exl+gbqfvbECP3ziXnob009+z9I4qXodHSYINfAkZkA523JG ap12LndJeLk3gfWNZfXEWyGnuciRGbqESkhIRav8ootsCIops/SqXm0/k+Kcl4gGUO/iD/T5 oagaDh0QtOd8RWSMwLxwn8uIhpH84Q4X1LadJ5NCgGa6xPP5qqRuiC+9gZqbq4Nj Message-ID: <587446db-5168-d91d-c1fa-c7bef48959d9@gmx.com> Date: Thu, 27 Feb 2020 16:25:56 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="jLl4yywjUU0rZLmhRODuvCEDl3wIJIakv" X-Provags-ID: V03:K1:nJx1IbEdTSY5NAIwghPfuVPlp1kVG9cMWUfMsrm3nS+EzHzN9qz ++4aGvKqcPeIaBQN35Np++JJQRFQ4gOAbaX3hMEucH8M3CtqfLTzsNI3MSKngZR1kz2x2bb RdP3T5EQv7jv6247Tw+X5Ji+J5q3r4QYVYr6Hp/h8USyPrJ3DZqc/FvYzL6pBGs3eB+VlGu tY/cIDQqSMu7XVpvb79Lw== X-UI-Out-Filterresults: notjunk:1;V03:K0:a0jkKsTwL5w=:ObFG+xDjtkqbIPO83LrgAF 1VpYDpjBDN2zoAQQlMHk+U/krSIUItziHzRaam2YpvLy4Q0bjPhBXSGIJ4fvZLZQU4VncELIo lRVHo/w/B46/oD1GPbrLDUM4/hKRJ4z9m2AHM3fg7ovSTlSEmFsJRHwhzblZcUv0hii0GzoNd Hi+2avEVTmTqfR6dJVKxpT5C5of+JEy+5xo/221LH9Fbdbo82yoXBJTFfvxvtqsqbIW6D84Hw Ie0QyNJhdaQtHv+PbqOKoQ2KneYmjmTr4vYK08hVAkAwyQYRYPWa7H1o1V11stkFWF/rDPKqa bRxoXi8VJERdGGsRNGAkySAKEXx12Bwn2QQN2bs4cRXKFjA7kcSNXkXcgr6nLcCM3E0ZlBBaA /5yJErCrj1eikpND2m2c1odwNdF2+jD2w3zhd2+kCw/kWKoN5LzfhBlCeyFuTFxKghJ3xQToK z+pMElMmS/PUwjabuOuihZIKdblFvNeQrCBI4iloGzpVqwWInp+0VSOrHLfV/8gWKvv7KFlbJ i+MuMgilZkQl/mwoTXckKfPId6X5drQYnlGZsJmD8Mha08KX9saD6GE3HtGqSLR/UaxRbGi5j 3qFeaREMH8GRnUNOQ8SBqiu555wkjASrm82HfzmpyOZex3JtYh4G9GoICMX3JYH00y6eeukNC J7f4TkKavm4QyT1sw/6v2nu8f1Gddk5p8G1+SKuq3+AYfTl3h1T9797sk/BXu0vyrNfeC+gau hG/YQ4HbtBd2JL88XPk1mf8KfIjSM9n0KxloL+fTEFiprW+05okemURaXeHb0P6nJ0ArYRLzR QqsMiaa5mxcV53W9b7SUkwvzYdAx5b9Dt5QSMk9w/p9gMQSMVozULoCw/v0H+1sK9DyfRwb4K KUxDLXJEI4PFzgVHir5dPk4yAN5YtlDwxvGSJ+HM6K9yAjiaZyF7yQdwo4xLjWo26H6eS8EF3 smn9JMMf+OA2g6DnUegpeAMGSDgEoMK7oxXdYR1Asp+30YwX9D1TGaNeGvaABwnndXNPE2QT6 d+2uM/fLvvkpQ5nYAX+IXJObMcGSqPozFBrxuFBiJiDoNc/yFpa0Hn9hrvyYzeGZvuAZ5ufWv b0CeBFHUko7toVStsrciYn2mWiXEyj/WteXi9vyIDOfmbc8F0JynAd7rXOIuGXxPWd4NQb81U nazO1kdNmFSYqYa3tL6qoD6iWzdtGwFH12YIXs9t1a/2AcvWIYBbPYVraUGvo8DqQNmUOEzXY E5sTOiccRwvplRVxw 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) --jLl4yywjUU0rZLmhRODuvCEDl3wIJIakv Content-Type: multipart/mixed; boundary="lQJrOBVpC3nYQjZzweOxh9eI3RUJl7Yen" --lQJrOBVpC3nYQjZzweOxh9eI3RUJl7Yen Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2020/2/27 =E4=B8=8B=E5=8D=881:59, 4e868df3 wrote: > I updated kernels recently and now am getting a corrupt leaf error. > The drives decrypt and mount, and I can touch a file briefly until the > mount switches over to read-only mode. Extended SMART tests show all 6 > of my drives have a healthy status. I have a backup of the data. The > array is configured as RAID10. As the BTRFS filesystem remains > accessible / read-only, I am able to take an additional backup. What > is the best way to recover from this error? >=20 > [ 130.395696] BTRFS critical (device dm-0): corrupt leaf: root=3D7 block=3D2533706842112 slot=3D5, csum end range (68761223168) goes beyond = the start range (68761178112) of the next csum item > [ 130.395829] BTRFS error (device dm-0): block=3D2533706842112 read time tree block corruption detected This is not something caused by a powerloss, but more likely an older kernel, or memory corruption. Please provide the following command dump: # btrfs ins dump-tree -b 2533706842112 /dev/dm-0 Furthermore, btrfs check output would be appreciated to ensure that's the only corruption. But from the generation mismatch, it looks like there are transid mismatch error, which could be a bigger problem than your corrupted csum tree. Thanks, Qu --lQJrOBVpC3nYQjZzweOxh9eI3RUJl7Yen-- --jLl4yywjUU0rZLmhRODuvCEDl3wIJIakv Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl5XfRQACgkQwj2R86El /qgzhgf/RWs8cSgXKPLlKSQv7vLbW8VR8sGKTcHpGLXCsv22t9NnBXTQAd+vxVqG 66sxxy8Novq2g+UmR4DHuEnZaw8QaylYQ4Rb+6lyMumLZucOH6NKF5HhGsZnf0gH WKkMBfzU/RurxcJWAr4Wc8xnkxihei+OEuQory4SJgvmzsn+6CB8HedUdLCdoWYk 6WP0fPsOkH6IdXYLzVLhy8o3Nz8wmF4gSg1f/DnExBbmlcxtz3bv2c6ai9OIJZl5 apVbi44CR4nb6itm0fmhjFFJ10+R3vERP1UTwusrA7i+DCgHOjRsN78dVPXVLgaa tckPV/iJjIW6PIXd6LqlJaOuJ+ZfUQ== =Zqjw -----END PGP SIGNATURE----- --jLl4yywjUU0rZLmhRODuvCEDl3wIJIakv--