From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.vivaldi.com ([82.221.99.164]:39103 "EHLO mail.vivaldi.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751735AbbEBS5J (ORCPT ); Sat, 2 May 2015 14:57:09 -0400 Received: from localhost (localhost [127.0.0.1]) by mail.vivaldi.com (Postfix) with ESMTP id 20AA7D41629 for ; Sat, 2 May 2015 18:57:08 +0000 (GMT) Received: from mail.vivaldi.com ([127.0.0.1]) by localhost (haydn.viv.ext [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id PPZANdJ1ruYI for ; Sat, 2 May 2015 18:57:04 +0000 (GMT) Message-ID: <55451DF6.2070803@vivaldi.com> Date: Sat, 02 May 2015 14:56:54 -0400 From: Christian Dysthe MIME-Version: 1.0 To: Marc MERLIN CC: linux-btrfs , Filipe David Manana Subject: Re: 3.19.3: check tree block failed + WARNING: device 0 not present on scrub References: <20150502163010.GK13624@merlins.org> <55450046.6040100@vivaldi.com> <20150502170509.GM13624@merlins.org> <55450740.2010100@vivaldi.com> <20150502172942.GN13624@merlins.org> In-Reply-To: <20150502172942.GN13624@merlins.org> Content-Type: text/plain; charset=windows-1252; format=flowed Sender: linux-btrfs-owner@vger.kernel.org List-ID: On 05/02/2015 01:29 PM, Marc MERLIN wrote: > On Sat, May 02, 2015 at 01:20:00PM -0400, Christian Dysthe wrote: >> >> On 05/02/2015 01:05 PM, Marc MERLIN wrote: >>> On Sat, May 02, 2015 at 12:50:14PM -0400, Christian Dysthe wrote: >>>> Mine is still doing it. This is from today's log: >>>> >>>> /etc/cron.daily/btrfs-scrub: >>>> WARNING: device 0 not present >>>> scrub device /dev/sda3 (id 1) done >>>> scrub started at Sat May 2 08:03:46 2015 and finished after 241 seconds >>>> total bytes scrubbed: 109.06GiB with 0 errors >>>> scrub device (id 0) canceled >>>> scrub started at Sat May 2 08:03:46 2015 and was aborted after 0 seconds >>>> total bytes scrubbed: 0.00B with 0 errors >>>> >>>> It doesn't seem to cause any problems but it would of course be good to know what it is and even get rid of it. This is my laptop with a SSD containing a small ext4 /boot partition and a latrge btrfs partition / with a /home subvolume (close to Ubuntu standard for btrfs). >>> Please run the equivalent of this on your filesystem: >>> btrfs-debug-tree -t 2 /dev/mapper/cryptroot 2>&1 | tee /tmp/debug_2.txt >>> >>> And see if it completes or fails in the middle. >> All I get is: Could not open /dev/mapper/cryptroot The only thing >> in that directory is -control I do not have any kinds of encryption >> on anything. > I wrote "the equivalent of", so change /dev/mapper/cryptroot for your > device name :) Okay then! :) I ran it on my btrfs partition without any error ending with: total bytes 239269314560 bytes used 116273602560 uuid 3d52dc93-c89f-453f-965d-8601d11e7710 Btrfs v3.17 > > Marc -- Regards, Christian Dysthe - Vivaldi Technlologies Download Vivaldi at: https://vivaldi.com Discuss it at: https://vivaldi.net