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=-2.5 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 9DAFFC5B578 for ; Sat, 6 Jul 2019 05:54:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6564621670 for ; Sat, 6 Jul 2019 05:54:31 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=gmx.net header.i=@gmx.net header.b="ZxGroVkd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725962AbfGFFvo (ORCPT ); Sat, 6 Jul 2019 01:51:44 -0400 Received: from mout.gmx.net ([212.227.15.15]:52281 "EHLO mout.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725887AbfGFFvo (ORCPT ); Sat, 6 Jul 2019 01:51:44 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gmx.net; s=badeba3b8450; t=1562392302; bh=lEDFC+qzOAIg7EmdxLWsUqFOHbPBTvcPiKu/a+NiRZQ=; h=X-UI-Sender-Class:Subject:To:References:From:Date:In-Reply-To; b=ZxGroVkdBJi9+hfdmjlqaze5EYoiL0stAZjk/DnimJRuW60aOj/poLmE/BSK4kp9J WBpqS9wtYIcFrcnPHz1jzK8nx6/zkhb+pof48ET6xi6V8LNbSWASt4/6PHVEZPSlK9 FkosY+w6oT+OZ4ZQKB4ICW3YzYswMbXwaYDyNTBc= X-UI-Sender-Class: 01bb95c1-4bf8-414a-932a-4f6e2808ef9c Received: from [0.0.0.0] ([54.250.245.166]) by mail.gmx.com (mrgmx003 [212.227.17.184]) with ESMTPSA (Nemesis) id 0LlV71-1iKtMw2ivP-00bNmC; Sat, 06 Jul 2019 07:51:42 +0200 Subject: Re: "kernel BUG" and segmentation fault with "device delete" To: Vladimir Panteleev , linux-btrfs@vger.kernel.org References: <966f5562-1993-2a4f-0d6d-5cea69d6e1c6@gmail.com> <8e009a0c-2c82-90c5-807a-bf3477e0b07a@gmx.com> <8c221f86-b550-fcd6-aef1-13570270a559@gmail.com> From: Qu Wenruo Openpgp: preference=signencrypt Autocrypt: addr=quwenruo.btrfs@gmx.com; 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Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <8c221f86-b550-fcd6-aef1-13570270a559@gmail.com> Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="o4yLztsxjG32cMZx7YolOXpYQLjQt5fcb" X-Provags-ID: V03:K1:9Dhd4q6pJatLSBIomMM6mPbTSTlmF/UVsDhDRqFiBLs8BSwOTxD T29Vw5rns04LdrFDI4/+a/9xVzJjW4cce7TbKEHxswlP1NAz0VDIuuMAuztOnrpbrJlEMII cxs37qvKzy+VO4J3bCsMStGVqWNJV6bDb5yfA3N4sR10NnRodDVBMi8Y9utzg/pFxx0F7lP sMmI9CuivW1JtXsgkhmGw== X-UI-Out-Filterresults: notjunk:1;V03:K0:qjH2P2riwoc=:apQvNqJWjKFG5Xohv6bySd QzQV5pbMcBr71Rvc6/t8vc6LIdpKPNUBnCMEjQ6d/QUqHyY0z0BuC0Qee8UcMU5AtcxTpg8Tr Gaipl//dWjyEWXW7ebNx1BlAHyoTr0KKf3tNRq34jYCSBM7MCdM76PWMAGImtLyubJodxPtkP THfMkE7tAp1UxMrsZcpowmyFPYWLk+Zn1HQWJrEfZjm3gOYg8vQ6nUF6XLVkXIK/Y5JF9EppX Nd/YubbmWZDhohciutBciNwLzOZ1jEF4BP67AaPZODv9rdV5ZMziLYoAtXCe1aL8GgoVWbb3j CiEnIo5xacyk1tsPgIFwgQGsj68ny8BzUxlfVY61o8iDbelfUIWAYRXoyP4kVSbGdKy+TsJHU /VtfhMN6Zlquih7ykUjlvBtSn3NCK7heXodYsQl4SGAIO3YrNaiIa215GKztjXEhBNmH2PEBT XrCK4gsAEyDjIBpZhRCAnyTVzvMU+glMuKiU/BNLK4ebs9U0fqMUejfMyVvIe38mPTzgFCgPj T72a0WxmsaykUWjH/UvZ//Nb8Jg6CJ74OrgErie2wBl0ZE5hiYmFBzIhfHX2p/XduC+jf8l4J RnDvH0dd28VGLVFUwbjeTD1Z9AF8k8GGbcpxt8GX20vjzwMDMP4ZNUdyEK8PdWWY0X5JHtXfx vMlQCslNki4AdiGd1gLLrT4gcuUjRQb+tPfXUuHzyIkRyuOtuGfDSvgvOzuTYgD+iPUEy4yqT 9cA+8Bouqc/+yXg7XORWH6KNZZRpqesDxHPrRyAY1vxYKb0qvZm9ynXJvCPrm3btrMxRxHJfD KEZfnsevRk4YJaVDgjq7632KPnl8wHD227XID8kDAn49rlZmIzNB5ku9K2+JrChfVozqpp4nU 3tCep5ehNy+OnPFxUlDCJ3s1hucKsZASPcNB7gMSSj0a4yncC5DShZCP5woIm0Vx6CcW8IcFs H4k9Z3EgAkLOx9xkhIpxFUOyMK2TFfYEPuoLB7ty+R1N2hJr8kDNrab9Jn7/Ug+ryYoIUtK1h fmj5AUKe47eLvAJ9XXCAjblH8lWNwMWuuPYGbXyOj/xOtQfNmIfZ/ZKYtJR4fu7zdyBRy0WE1 F/3UAZo96Wlbz0= 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) --o4yLztsxjG32cMZx7YolOXpYQLjQt5fcb Content-Type: multipart/mixed; boundary="aWwfhOdoc1UVG19pi2lEeUGLVDgrkN4mi"; protected-headers="v1" From: Qu Wenruo To: Vladimir Panteleev , linux-btrfs@vger.kernel.org Message-ID: <4a7c1c7b-bc1e-4aba-7a9d-581c0272aa86@gmx.com> Subject: Re: "kernel BUG" and segmentation fault with "device delete" References: <966f5562-1993-2a4f-0d6d-5cea69d6e1c6@gmail.com> <8e009a0c-2c82-90c5-807a-bf3477e0b07a@gmx.com> <8c221f86-b550-fcd6-aef1-13570270a559@gmail.com> In-Reply-To: <8c221f86-b550-fcd6-aef1-13570270a559@gmail.com> --aWwfhOdoc1UVG19pi2lEeUGLVDgrkN4mi Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: quoted-printable On 2019/7/6 =E4=B8=8B=E5=8D=881:13, Vladimir Panteleev wrote: [...] >> I'm not sure if it's the degraded mount cause the problem, as the >> enospc_debug output looks like reserved/pinned/over-reserved space has= >> taken up all space, while no new chunk get allocated. >=20 > The problem happens after replace-ing the missing device (which succeed= s > in full) and then attempting to remove it, i.e. without a degraded moun= t. >=20 >> Would you please try to balance metadata to see if the ENOSPC still >> happens? >=20 > The problem also manifests when attempting to rebalance the metadata. Have you tried to balance just one or two metadata block groups? E.g using -mdevid or -mvrange? And did the problem always happen at the same block group? Thanks, Qu >=20 > Thanks! >=20 --aWwfhOdoc1UVG19pi2lEeUGLVDgrkN4mi-- --o4yLztsxjG32cMZx7YolOXpYQLjQt5fcb Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEELd9y5aWlW6idqkLhwj2R86El/qgFAl0gNuoACgkQwj2R86El /qiWSQf+JHNrOVff3bWirTfdFIJ2FYkYX5V0sccqowkigApcYmCD5Nf21KOeWf4L rhpc/hbKwLblryjwsN7fuyfi3yAVaC0WX/u8GvbZY+UfGeXfs4TOjnEE3VXuEcyh rhZm0fpfmCzhqqYZiwWIUF11K4JeC3k1Jzh1qtlwG1wzjg9budHG7Mc13AanEIq1 5MQsjOHbWacB+GD2mTLS514U4aukFtrPcygnl2Mo4MwT5DQxiHbenJY0MZdJnCjM f3gpO3suKtiBep3DbeyDtB8FwxpK9FO0iuApVfjiIIk5irwUoI8rjtY13Ju9wRe6 imetgw5US+rurccowl+wZwiT3RNhTA== =zlWN -----END PGP SIGNATURE----- --o4yLztsxjG32cMZx7YolOXpYQLjQt5fcb--