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=-6.4 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,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 A44D5C433DF for ; Sun, 2 Aug 2020 01:19:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6CA1420725 for ; Sun, 2 Aug 2020 01:19:35 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="C3Tgqdty" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727887AbgHBBTe (ORCPT ); Sat, 1 Aug 2020 21:19:34 -0400 Received: from mout.gmx.net ([212.227.15.18]:54743 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725883AbgHBBTe (ORCPT ); Sat, 1 Aug 2020 21:19:34 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1596331166; bh=F8ipo5coTf1fbn1kUdtXynh52teYWgCK34EJSbxrQws=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=C3TgqdtyHBs8wZD8VV9f/lUaL2OHTuKpYluljnW6u2K2Cofdg79D/zheMBLIceibM ydJmvMKTQ13HKl5LZ8DtXubFk5fAuekhG7tkek2B47qLc26IinKbdYeYuDCJoEPwEN KYStwae2PqXtzUjv3tcb+T3kxjkH+JZ+zSDhNZz8= 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 1MEm6L-1jzb1C2L3z-00GI07; Sun, 02 Aug 2020 03:19:26 +0200 Subject: Re: balance loop with raid-1 on 5.7.6-1 To: Russell Coker , linux-btrfs@vger.kernel.org References: <13086015.6n0rELWJ5N@liv> 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: <927d2761-dfa8-ca50-a1b0-155d70828bdf@gmx.com> Date: Sun, 2 Aug 2020 09:19:21 +0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <13086015.6n0rELWJ5N@liv> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="ilh39EaBZ5iP9ffaspTAGbUFXn8l8pssB" X-Provags-ID: V03:K1:WiZUcfxw2COLAPCGT/K1GHBw4NADIVemzupSTaUyIOBgOTAQEca G+lGASVJ5eHpP7wlRuJQj8AHCboAhYOPnhySBhcw8V2E3UwmTWiDwDeO44McGGBqTLa3lAB VbLa0/HQo3ZxPGffgbvFPcRcrBT6L0P86qm953ztSGD60z49DVEw1lKtsIVBhEP78STOVN9 o5VrCrgFJAqlZQztdstBg== X-UI-Out-Filterresults: notjunk:1;V03:K0:018A9SnjuGI=:YWMaXJ6ibODOO4Rfc0XXNu t1B5AckkcypYfzt7CqY3eJKBHl/qc1RZ+eFibCD5cyHuRkIgOtK2wFUTENQYz4pNMioJmxBRG 0UJGRggXSY/sivyw4paL2qCseY5YCOd/w/JPzR197OnbhQoCoETjtw88RNxzRPNajdgCF3Psg HD48o+xbADFN6fr7IZWUyyw2/TUaBSwmlTRkxbsN9VEDXm47RZCph5QjW6WYp+fvUycsQe/AT jZKuNL6v9jm01XNKT2EUCLgRdnWPT4mFL/nGE7zEfCIfnIO766kOjUF3tasyJQXy4Uc+YZEq1 px3XGge1MzN4vO2mMOYKgDgH1maiqNvcFM94OhxSbm+ntxD7jKy4k0TwbxC9RIZOvEWWX2czm tdCGXUK19wu3qTC7SKOh/V8aPPF/On3JyQ1+tyFpUrulM/pKx5yxOZO6lyprdGX/Gvzlvx/nt hlpko3LVqjLj1QQ82SWkT3eSwRe0AeBWvYhxnFjjwWOshTuSs8A2JbgzCji8yxVtfgktC3mQD GAHbxEqoYO8CJ4VBAO+bTbBzIHZmgmNAueYz3BGrZNpNcKf/+MsX3zFHHlxilOqBZ+VYiynew 1xYCjnOqW1Go8WgB7Be+yReukyDyd0MJGhKkJdN1g+k8CjM3b0im4Mk4xV5Y2Lug3MMUB1EvK /xZ5lrPGHdWXgaKIFIxvo6qjbWFNSsuZAmYtI7UZmh1ATc9aGFn0/w/pOlqPmlBlkiVa6BLgV PtGe/kbAnVtITYUT1n7O4ypclo0cvrlX/5xYeHd/wvYt0k1ZS3zm2xeBhycDNs49mT7qU4IqO fn1FKZZBMaeC0x6Wev6QzJ4oX9VqbrbOymqUJ7I69YgkBdSN18h8qPn6ikxEIM6cFumCBv3DI dPS9FrFmgQVp3LfO1WyzB/DQknG7tktArm/Cjg45oLCen0MUHfSE4htbkbMzKLqJ0S9AkYwwv YRVy5oUUG3iwEhawOgimvCDhk8Z0IikPvr2D8t67/0gfjNDkoCv8qOUoVgXk0BAU46JbbDc31 R/PIN+S3isyDegqQLNgd2LcCKnNi2LLbPQ77LyXXnU1yo3GiRVEyYboT2RaSsC7RGhgQe9QP1 ZDBLD1cCGA/M6y3lTao7aBpc9m2+rV3svWGrEtnTYBqcEFJjiHLQQqTRg93TKdX0eOWqmAUGo QIpGJAm4hVZklOhEVVAwFxUJ9i47hPPYy6sqag9PuJ7/Ub/sUAQA3jvjC03TJQEC9i0BMwusZ RMmvdbC7vAu6fF2HBfznU6xgDI725DWqL9RKcmQ== 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) --ilh39EaBZ5iP9ffaspTAGbUFXn8l8pssB Content-Type: multipart/mixed; boundary="k1CSgY2FU4bAPXlkX4CxCvLtED6btuEhJ" --k1CSgY2FU4bAPXlkX4CxCvLtED6btuEhJ Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2020/8/2 =E4=B8=8A=E5=8D=889:07, Russell Coker wrote: > My monthly cron job which runs a btrfs scrub followed by a btrfs balanc= e has=20 > just gone into an infinite loop. >=20 > root@xev:~# grep -c "found 69 extents" /var/log/kern.log > 322889 > root@xev:~# uname -a > Linux xev 5.7.0-1-amd64 #1 SMP Debian 5.7.6-1 (2020-06-24) x86_64 GNU/L= inux This is a known bug, and backport for 5.7.x only arrives at 5.7.11. So please update your kernel to latest 5.7.x stable kernel, or try v5.8-rc kernels. Thanks, Qu >=20 > Aug 2 02:57:09 xev kernel: [894810.916299] BTRFS info (device dm-1): s= crub:=20 > finished on devid 3 with status: 0 > Aug 2 02:57:09 xev kernel: [894810.947243] BTRFS info (device dm-1): b= alance:=20 > start -dusage=3D60 -musage=3D10 -susage=3D10 > Aug 2 02:57:09 xev kernel: [894810.948707] BTRFS info (device dm-1):=20 > relocating block group 2734629453824 flags system|raid1 > Aug 2 02:57:09 xev kernel: [894811.034399] BTRFS info (device dm-1):=20 > relocating block group 2659366862848 flags data|raid1 > Aug 2 02:57:15 xev kernel: [894816.467989] BTRFS info (device dm-1): f= ound=20 > 12902 extents, stage: move data extents > Aug 2 02:57:40 xev kernel: [894841.585184] BTRFS info (device dm-1): f= ound=20 > 12902 extents, stage: update data pointers > Aug 2 02:57:41 xev kernel: [894842.878672] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers > Aug 2 02:57:41 xev kernel: [894842.915311] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers > [...] > Aug 2 11:04:01 xev kernel: [924022.697116] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers > Aug 2 11:04:01 xev kernel: [924022.754418] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers > Aug 2 11:04:01 xev kernel: [924022.805762] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers > Aug 2 11:04:01 xev kernel: [924022.870560] BTRFS info (device dm-1): f= ound 69=20 > extents, stage: update data pointers >=20 >=20 --k1CSgY2FU4bAPXlkX4CxCvLtED6btuEhJ-- --ilh39EaBZ5iP9ffaspTAGbUFXn8l8pssB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl8mFJkACgkQwj2R86El /qj50gf/TrwgC80G779ud52Uxp8x4jq+QJo+O+/yYOuGvZ1LxsmtT+IuvY5zGWKU 2DXvMBDZdjvpshitZKXUq8x4MBtXFikoqiHqpsGLG6QfBfk8QoHlLm7DP2pl8MSh BK/ZxKrScocWTjErzde/qGQ3z5EIO/7kxGd4C7rR4che7zMzamwdM6GcR7i0H0oH /jvAW1EtfCdFbXlbYbuh73tcMR4z61g2GdBvJPeG/9fYyxvtXyldTk3cfitUoEPO ULBut+jp1vEbuAy2+2XGAgVyGT8fWAoH+JzZte0+ZLEM7AXPvDbH/fWZHAWIvrdS gyKECiV2DjzwtXBB7Va6c9p97qJuVQ== =97Tq -----END PGP SIGNATURE----- --ilh39EaBZ5iP9ffaspTAGbUFXn8l8pssB--