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 6C38FC2D0C6 for ; Fri, 27 Dec 2019 13:21:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2FE9F208C4 for ; Fri, 27 Dec 2019 13:21:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="XWtXOWfG" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726279AbfL0NVs (ORCPT ); Fri, 27 Dec 2019 08:21:48 -0500 Received: from mout.gmx.net ([212.227.15.18]:47479 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726053AbfL0NVr (ORCPT ); Fri, 27 Dec 2019 08:21:47 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1577452902; bh=pnviNDuBx4iPFanl/Bi6mCz+S7baY6uxkbWZma3W/ao=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=XWtXOWfGcaqhmHgQXcb7Lt7auoA1eGrhxnm03pR+j+Bzl6wbLOVIeIDpXzD/CSwZL 3/k6aCY+XxfA8/g//VCElcPdcyNDbjUKL4TMnYiwRdAYkQZ/vB//cc0aX3qOG5WeMQ vZsUtM9MnNvvSiZzJtzTxCPQvlhB6fW2D9DtlDgY= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([149.28.201.231]) by mail.gmx.com (mrgmx004 [212.227.17.184]) with ESMTPSA (Nemesis) id 1Mn2aD-1jRccU1Cxr-00k849; Fri, 27 Dec 2019 14:21:41 +0100 Subject: Re: Error during balancing '/': Input/output error To: Michael Ruiz , linux-btrfs@vger.kernel.org References: <4196932.LvFx2qVVIh@archlinux> 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: Date: Fri, 27 Dec 2019 21:21:36 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.3.0 MIME-Version: 1.0 In-Reply-To: <4196932.LvFx2qVVIh@archlinux> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="fRsiRrCZqMkPq2vahKgY1SDQFAfN77nav" X-Provags-ID: V03:K1:XFG1GbQmn0k14dyEb/DrUqWln3GH3SVrUACWNpNEHwhBZ7STQie DcYNe5DumeiKCShfqlkYiqTzFWhbzf1pv83iR1ROYIJc8E8NmEAWF/VkP5MMl1y15bHyz/A SNufdhM5ce0idMd4tbJHbAWG+G09QYGcoV+uUq7XVKY0LKBumCK46wDWKk9BQVLlXuW1dFw 7mMToSRg3T/Mllhn5+8Dw== X-UI-Out-Filterresults: notjunk:1;V03:K0:qaYQnFTfIbY=:XC+nOyOz1UVZHZBXCQtTjX cUkn0Q4W0JXxFOkIguZ/bMJh+xxzxLhPVA5Tn2YnnGUsJP7teYMdEcrlWH70PDnnQfd8mFd3E +AnbVtp/LH/9KQL9XoYUh/TpAQLz6L0+1GGw5uvB0Qbg8D4Jm9aqGJIAdlRgAbqztrEP8lBRi d6e8G2NMLmPH4RctQdBzSem9KY/ga3zwwd9Ca2trtZkX2wtjUM0DJ+iZny/P9oZJeDsVcp+Ht fHygKmzT75N8UZaGox3Hhs4v+27AYqW1TxXoThootaRkNa7SHuDCDXRyyuj8QAxlK6F6zxdyb MrgjuMuaVx398br33B0Isdt+cxmpcdjMrZIMe0ay6LjkiWgZrwp00q+dsUYTkh2/A7c6+Yn7g iPA+XhZaZxIahHdM0BWyjBT/uY5OT40hGPSPV+hYApBph4i5zfcC94AoaNMK0dc/AWP1Nrnav 2BA83SD0X9LThROZ4NbZXBi32Bz2tND7B7OIuiBvaYG5TEE17Kyp4QUMR+7Ln1Oe3Oc6Jh0lQ MkaPsbxdQkn/OafbqBNMj5AqU+UtAfaNJamuVQTRpg+yyOjKenfsuvaSlBW8g3ZEyohY9+vKk YMI5ApoYNhqg627Sx6AaMLv6f0MwKXms7Gbxe/nYav9NXFjou5Dzs3t3aM0z5fc4fT/nnAT1/ ZZzEQNs/Um8kNN36nkToJmKNoIAYtQ9cgzgcDDt39GE2YM9XoKbtt8lbiNSfJQOe3Xt5Ak1bv YpFotp3K5v4zC7XSkuYJ1M5pfgIouAbBI83lMFYFVWxq/66iVJ0M7L9ds4DiS0Cwil10FWlNG bTOaquQCtO0qR/tx5qi3oWnu7pH/fhfu3RFwPnRGMptEd81/FJdBO5SLWkHK3VjYD/GNiKN9b YdcS9OjjIZiCcDSRb0OYJ31c0LUWo88gHp/VBbznMNgmewdCkt0KIMUizmswE5NmJzl3Vi7mC Qx/GJkMjtu2aKDp3gdcw4ls1bxZJJZUMCcxjebjFMaslQ6S4SD26FFdlClyu8UY8+myXGhzht BBqVsx6eJmqqJdAtBBxPqlz399GShhw2hmc9yhdM5MvtzQaj64qty9wm4UzycD5qAayXLufJt AnIcYau+K2TfgPWB2Md/yh9Hm+r0noRwJIwwAoWndTLjojXLYktBS96BjC7QITl2DXWt5hA38 3WaJh/seHfrpWAfK1oUXGZCNw1PtG0P34r3zHPwdox/h57XNKSVjKFi1oxZHL0yF2M59XPq/3 LPX70kXffSkLYkASxY8M1g6UwYBdhvGM6K9qbD1V7FXa7/ZK7E6wf4IyBvqQ= 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) --fRsiRrCZqMkPq2vahKgY1SDQFAfN77nav Content-Type: multipart/mixed; boundary="765z5gzsLKrzUTO2rqReGnrNtnH6AqScd" --765z5gzsLKrzUTO2rqReGnrNtnH6AqScd Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/12/27 =E4=B8=8B=E5=8D=888:39, Michael Ruiz wrote: > Hi, >=20 > I recently did a btrfs-convert from ext4 to btrfs and it went well, so = I=20 > deleted the ext2 'home-backup' or whatever subvolume it created and I=20 > proceeded to balance the disk. However, I keep getting this error when = I try=20 > to run this command (see bottom of message for debug info.) This might = be a=20 > simple question, but I am worried that my root drive is corrupt and if = I=20 > restart it might not boot so I haven't tried rebooting and mounting the= disk=20 > from a live usb. Any suggestions pointing me in the right direction are= most=20 > appreciated. There are quite some reports about this problem. So far no real corrupted confirmed. You can confirm it by scrub. I'm afraid there is some bug in data balance code which leads to this. We will dig further to pin down the cause. BTW, does that problem always show up at block group 253562454016? Or it randomly shows up at different block groups? Thanks, Qu >=20 >=20 > Thanks, > Michael >=20 > ``` BEGIN DEBUG INFO ``` > [michael@linux /]$ sudo btrfs balance / > ERROR: error during balancing '/': Input/output error > There may be more info in syslog - try dmesg | tail >=20 > [michael@linux /]$ dmesg | tail > [ 1235.433416] BTRFS info (device dm-1): relocating block group 2657091= 58400=20 > flags metadata > [ 1375.701515] BTRFS info (device dm-1): found 65034 extents > [ 1381.270271] BTRFS info (device dm-1): relocating block group 2646354= 16576=20 > flags metadata > [ 1483.628290] BTRFS info (device dm-1): found 64995 extents > [ 1485.160174] BTRFS info (device dm-1): relocating block group 2535624= 54016=20 > flags data > [ 1485.352336] BTRFS warning (device dm-1): csum failed root -9 ino 265= off=20 > 1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1 > [ 1485.353008] BTRFS warning (device dm-1): csum failed root -9 ino 265= off=20 > 1048576 csum 0x9a7afaa8 expected csum 0x63e15594 mirror 1 > [ 1485.375271] BTRFS info (device dm-1): balance: ended with status: -5= > [ 1485.544838] audit: type=3D1106 audit(1577448716.970:152): pid=3D4178= uid=3D0=20 > auid=3D1000 ses=3D1 msg=3D'op=3DPAM:session_close=20 > grantors=3Dpam_limits,pam_unix,pam_permit acct=3D"root" exe=3D"/usr/bin= /sudo"=20 > hostname=3D? addr=3D? terminal=3D/dev/pts/2 res=3Dsuccess' > [ 1485.545220] audit: type=3D1104 audit(1577448716.970:153): pid=3D4178= uid=3D0=20 > auid=3D1000 ses=3D1 msg=3D'op=3DPAM:setcred grantors=3Dpam_unix,pam_per= mit,pam_env=20 > acct=3D"root" exe=3D"/usr/bin/sudo" hostname=3D? addr=3D? terminal=3D/d= ev/pts/2=20 > res=3Dsuccess' > ``` END DEBUG INFO ``` >=20 --765z5gzsLKrzUTO2rqReGnrNtnH6AqScd-- --fRsiRrCZqMkPq2vahKgY1SDQFAfN77nav Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl4GBWEACgkQwj2R86El /qijeAf/d8aFOYAFlxAllJG5Cc+JrzB+T6iYTtoWaRIFWT+cpSOzFz2zkyjpGuSX izA3Pa6N4BzFSdi2poIuTgO24lZ+eNyUpLtXfv1vOP03HFY6DT9I+cconNMDKmHI v9f5gBIKMPewWnA5Zb7xjE6sXkTjRCR6pfjG2NXDhIyuCFZVKpYyDTN2wfsgxvbT T2XeR+Zx2Mtdm8j623dxZeBhGcLFAnoaFth1Jx9CZ+QTVDQLYVvQKnGGbgyPQyAi 60zRruvfc3uyiDJ/lEShihBIsg3B6QslEcRYbVJn3HfFOv+XFXHidFXY8V6/YKNV NLba3fHQ2K6ZLEusgHzXcG5bAU9szQ== =D9MB -----END PGP SIGNATURE----- --fRsiRrCZqMkPq2vahKgY1SDQFAfN77nav--