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=-0.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED 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 B91D2C5DF61 for ; Tue, 5 Nov 2019 15:05:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8DC87214D8 for ; Tue, 5 Nov 2019 15:05:07 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="pI8RymBJ" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731106AbfKEPFG (ORCPT ); Tue, 5 Nov 2019 10:05:06 -0500 Received: from mail-pl1-f169.google.com ([209.85.214.169]:45924 "EHLO mail-pl1-f169.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731090AbfKEPFF (ORCPT ); Tue, 5 Nov 2019 10:05:05 -0500 Received: by mail-pl1-f169.google.com with SMTP id y24so9558795plr.12 for ; Tue, 05 Nov 2019 07:05:05 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:from:date:message-id:subject:to; bh=TO94ReUB2LKMFziJRhpU5UgTS/asrjj1UXl1wuAEKU4=; b=pI8RymBJz9jzpLpMFcB403IrHRpcmoYH/e6DIlHSwk1wf7GU//tvdOfurl8GkGrf58 2ur9M37NSRZxOciy1tmzGs1LlyBBbATLCZLcHZy5mi6ZdausU706cTJ7GmpisFedi+Kd iBvjZdWSK7KPcmK/DCyL5McKo6U1WxJsowE1ixOZ97urxRn2NzpD4UMPU9Xi0VheuWNX pVs31HsvbVtu3LkepL2oMgyHjQFuuowIPRK1HCaAuPr0LU0WmdKCiurr5O6i8O/psZqa SkVclAfUitqr0QYAji9o1XBvxpxT5ctNLZGWRqrmuCSmy6aWIebMeEyi0wXqZ8x7RMR6 l8lw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=TO94ReUB2LKMFziJRhpU5UgTS/asrjj1UXl1wuAEKU4=; b=d6jlZGI0CAkwexvzZhS09zDEdvKXoe/aA9PblaAn7k90LSYPSfnt07p1i5flyFiWzV vugVGCX0h+bRvbkbkn4dKb/kqbVZr7Dy4oJp2W3NsCQEkAtUJ8KcBeweqpLw/MLv0Ilk mWa2PLi8jXelq69hB0egfvCbTgrZHmfa8j0S0SDb3TqBAqxgGbwC19OUbeCUQ6EdeQQl 9U1TOJOQWjHS55ubZvt1QAAIGHZ3HfxjtpJdNHX5ZUASOLF/nnxqqRQzyHliEeMHd9mf pI5hwhfIT3BkQykflc/C94ibq3yK1tK55Veaf4TPMxFDBU7f3xDRfvnREwrNJFUF96Ii K8BA== X-Gm-Message-State: APjAAAXvtYP6ZLTdxqS3NEHf0EYEdBMACgniChsQE9mNSmRCPfAXTh1k wQNzILh1uoQMzlUpa9w48Pesv5M9YlXeHQ3hVnrJ+RE1SJqeSQ== X-Google-Smtp-Source: APXvYqxa6yvjEuJEFOq+MPeDWlLZHBUPquDi8KKjRirPXyXuJUAS6/PhSkNs1idscgN+ryEK55ZuUjf9HcCC7hMWcqo= X-Received: by 2002:a17:902:8346:: with SMTP id z6mr33103pln.280.1572966304558; Tue, 05 Nov 2019 07:05:04 -0800 (PST) MIME-Version: 1.0 From: Sergiu Cozma Date: Tue, 5 Nov 2019 17:04:28 +0200 Message-ID: Subject: fix for ERROR: cannot read chunk root To: linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org hi, i need some help to recover a btrfs partition i use btrfs-progs v5.3.1 btrfs rescue super-recover https://pastebin.com/mGEp6vjV btrfs inspect-internal dump-super -a https://pastebin.com/S4WrPQm1 btrfs inspect-internal dump-tree https://pastebin.com/yX1zUDxa can't mount the partition with BTRFS error (device sdb4): bad tree block start, want 856119312384 have 0 [ 2295.237145] BTRFS error (device sdb4): failed to read chunk root [ 2295.301067] BTRFS error (device sdb4): open_ctree failed