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From: Marc MERLIN <marc@merlins.org>
To: Christian Dysthe <christian@vivaldi.com>
Cc: linux-btrfs <linux-btrfs@vger.kernel.org>,
	Filipe David Manana <fdmanana@gmail.com>
Subject: Re: 3.19.3: check tree block failed + WARNING: device 0 not present on scrub
Date: Sat, 2 May 2015 10:29:42 -0700	[thread overview]
Message-ID: <20150502172942.GN13624@merlins.org> (raw)
In-Reply-To: <55450740.2010100@vivaldi.com>

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 :)

Marc
-- 
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
                                      .... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/                         | PGP 1024R/763BE901

  reply	other threads:[~2015-05-02 17:30 UTC|newest]

Thread overview: 124+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-03 17:42 kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-09-03 12:04 ` kernel BUG at fs/btrfs/relocation.c:1065 in 3.14.16 to 3.17-rc3 Olivier Bonvalet
2014-09-29 14:13   ` Liu Bo
     [not found]   ` <20140824000720.GN3875@merlins.org>
     [not found]     ` <20140926214821.GX13219@merlins.org>
     [not found]       ` <20150502141102.GB1809@merlins.org>
     [not found]         ` <20150501210013.GH13624@merlins.org>
2015-04-29 23:21           ` 3.19.3, btrfs send/receive error: failed to clone extents Marc MERLIN
2015-05-02 16:30             ` 3.19.3: check tree block failed + WARNING: device 0 not present on scrub Marc MERLIN
2015-05-02 16:50               ` Christian Dysthe
2015-05-02 17:05                 ` Marc MERLIN
2015-05-02 17:20                   ` Christian Dysthe
2015-05-02 17:29                     ` Marc MERLIN [this message]
2015-05-02 18:56                       ` Christian Dysthe
2015-05-05  6:32               ` Marc MERLIN
2015-05-05 19:56                 ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry Marc MERLIN
2014-09-08 18:04 ` kernel BUG at fs/btrfs/extent-tree.c:7727! with 3.17-rc3 Tomasz Chmielewski
2014-10-04  1:19   ` Tomasz Chmielewski
  -- strict thread matches above, loose matches on Subject: below --
2014-04-07 16:05 btrfs on 3.14rc5 stuck on "btrfs_tree_read_lock sync" Marc MERLIN
2014-04-07 16:10 ` Josef Bacik
2014-04-07 18:51   ` Marc MERLIN
2014-04-07 19:32     ` Chris Mason
2014-04-07 20:00       ` Marc MERLIN
2014-04-09 17:38         ` Marc MERLIN
2014-03-25  1:49           ` How to debug very very slow file delete? Marc MERLIN
2014-03-25 12:13             ` How to debug very very slow file delete? (btrfs on md-raid5) Martin
2014-03-25 13:57               ` Xavier Nicollet
2014-03-25 16:41               ` Marc MERLIN
2014-04-10 17:07                 ` How to debug very very slow file delete? (btrfs on md-raid5 with many files, 70GB metadata) Marc MERLIN
2014-04-11 14:15                 ` How to debug very very slow file delete? (btrfs on md-raid5) Chris Samuel
2014-04-11 17:23                   ` Marc MERLIN
2014-04-11 18:00                     ` Duncan
2014-04-11 19:15                     ` Roman Mamedov
2014-04-12 20:25             ` very slow btrfs filesystem: any data needed before I wipe it? Marc MERLIN
2014-04-13  4:02               ` Duncan
2014-04-14  1:43                 ` Marc MERLIN
2014-04-14 10:28                   ` Duncan
2014-04-16 22:35                     ` Marc MERLIN
2014-04-13 14:57               ` Marc MERLIN
2014-04-13 16:59                 ` what does your btrfsck look like? Marc MERLIN
2014-04-14  2:15             ` How to debug very very slow file delete? Liu Bo
2014-04-14  2:21               ` Liu Bo
2014-06-09 23:40         ` btrfs balance crash BUG ON fs/btrfs/relocation.c:1062 or RIP build_backref_tree+0x9fc/0xcc4 Marc MERLIN
2014-06-10  0:32           ` Russell Coker
2014-06-10  4:58             ` Marc MERLIN
2014-06-14 16:21           ` Marc MERLIN
2014-06-17 18:29           ` Josef Bacik
2014-06-17 18:55             ` Marc MERLIN
2014-06-18 15:26               ` Josef Bacik
2014-06-18 20:21                 ` Marc MERLIN
2014-06-19 16:12                   ` Josef Bacik
2014-06-19 22:25                     ` Marc MERLIN
2014-06-19 22:50                       ` Josef Bacik
2014-06-20  0:53                         ` Marc MERLIN
2014-06-20 15:40                           ` Josef Bacik
2014-06-25 19:40                             ` Marc MERLIN
2014-06-25 21:05                               ` Josef Bacik
2015-05-05 21:02           ` 3.19.6: __btrfs_free_extent:5987: errno=-2 No such entry, did btrfs check --repair break it? Marc MERLIN
2015-05-06 11:04             ` Duncan
2015-05-06 17:25               ` Chris Murphy
2015-05-07  3:15                 ` Duncan
2015-05-06 17:49               ` Marc MERLIN
2014-04-02  8:29 [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Qu Wenruo
2014-04-02  8:29 ` [PATCH 01/27] btrfs-progs: Introduce asciidoc based man page and btrfs man page Qu Wenruo
2014-04-02  8:29 ` [PATCH 02/27] btrfs-progs: Convert man page for btrfs-subvolume Qu Wenruo
2014-04-02  8:29 ` [PATCH 03/27] btrfs-progs: Convert man page for filesystem subcommand Qu Wenruo
2014-04-02  8:29 ` [PATCH 04/27] btrfs-progs: Convert man page for btrfs-balance Qu Wenruo
2014-04-02  8:29 ` [PATCH 05/27] btrfs-progs: Convert man page for btrfs-device subcommand Qu Wenruo
2014-04-02  8:29 ` [PATCH 06/27] btrfs-progs: Convert man page for btrfs-scrub Qu Wenruo
2014-04-02  8:29 ` [PATCH 07/27] btrfs-progs: Convert man page for btrfs-check Qu Wenruo
2014-04-02  8:29 ` [PATCH 08/27] btrfs-progs: Convert man page for btrfs-rescue Qu Wenruo
2014-04-02  8:29 ` [PATCH 09/27] btrfs-progs: Convert man page for btrfs-inspect-internal Qu Wenruo
2014-04-02  8:29 ` [PATCH 10/27] btrfs-progs: Convert man page for btrfs-send Qu Wenruo
2014-04-02  8:29 ` [PATCH 11/27] btrfs-progs: Convert man page for btrfs-receive Qu Wenruo
2014-04-02  8:29 ` [PATCH 12/27] btrfs-progs: Convert man page for btrfs-quota Qu Wenruo
2014-04-02  8:29 ` [PATCH 13/27] btrfs-progs: Convert and enhance the man page of btrfs-qgroup Qu Wenruo
2014-04-02  8:29 ` [PATCH 14/27] btrfs-progs: Convert man page for btrfs-replace Qu Wenruo
2014-04-04 20:29   ` Marc MERLIN
2014-04-08  1:20     ` Qu Wenruo
2014-04-02  8:29 ` [PATCH 15/27] btrfs-progs: Convert man page for btrfs-dedup Qu Wenruo
2014-04-02  8:29 ` [PATCH 16/27] btrfs-progs: Convert man page for btrfsck Qu Wenruo
2014-04-02  8:29 ` [PATCH 17/27] btrfs-progs: Convert man page for btrfs-convert Qu Wenruo
2014-04-02  8:29 ` [PATCH 18/27] btrfs-progs: Convert man page for btrfs-debug-tree Qu Wenruo
2014-04-02  8:29 ` [PATCH 19/27] btrfs-progs: Convert man page for btrfs-find-root Qu Wenruo
2014-04-02  8:29 ` [PATCH 20/27] btrfs-progs: Convert man page for btrfs-image Qu Wenruo
2014-04-02  8:29 ` [PATCH 21/27] btrfs-progs: Convert man page for btrfs-map-logical Qu Wenruo
2014-04-02  8:29 ` [PATCH 22/27] btrfs-progs: Convert man page for btrfs-show-super Qu Wenruo
2014-04-02  8:29 ` [PATCH 23/27] btrfs-progs: Convert man page for btrfstune Qu Wenruo
2014-04-02  8:29 ` [PATCH 24/27] btrfs-progs: Convert man page for btrfs-zero-log Qu Wenruo
2014-04-04 18:46   ` Marc MERLIN
2014-04-05 22:00     ` cwillu
2014-04-05 22:02       ` Marc MERLIN
2014-04-05 22:03         ` Hugo Mills
2014-04-05 22:21           ` Marc MERLIN
2014-04-05 22:05         ` Marc MERLIN
2014-04-05 22:02       ` Hugo Mills
2014-04-08  1:42     ` Qu Wenruo
2014-04-11  5:54       ` Marc MERLIN
2014-04-02  8:29 ` [PATCH 25/27] btrfs-progs: Convert man page for fsck.btrfs Qu Wenruo
2014-04-02  8:29 ` [PATCH 26/27] btrfs-progs: Convert man page for mkfs.btrfs Qu Wenruo
2014-04-02  8:29 ` [PATCH 27/27] btrfs-progs: Switch to the new asciidoc Documentation Qu Wenruo
2014-04-02 13:24 ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Chris Mason
2014-04-02 14:47   ` Marc MERLIN
2014-04-03 20:33   ` Zach Brown
2014-04-02 17:29 ` David Sterba
2014-04-16 17:12 ` David Sterba
2014-04-16 17:16   ` [PATCH] btrfs-progs: doc: link btrfsck to btrfs-check David Sterba
2014-04-17  0:47     ` Qu Wenruo
2014-04-18 14:48       ` David Sterba
2014-04-30 12:14         ` WorMzy Tykashi
2014-05-05 14:57           ` David Sterba
2014-05-08  1:40         ` Qu Wenruo
2014-05-12 14:09           ` David Sterba
2014-06-03  9:38             ` WorMzy Tykashi
2014-06-03 12:19               ` David Sterba
2014-05-17 17:43   ` [PATCH 00/27] Replace the old man page with asciidoc and man page for each btrfs subcommand Hugo Mills
2014-05-17 18:22     ` Hugo Mills
2014-05-18  7:04       ` Qu Wenruo
2014-05-18 12:05         ` Hugo Mills
2014-05-18 16:02           ` Brendan Hide
2014-05-19  0:35           ` Qu Wenruo
2014-05-18  6:51     ` Qu Wenruo
2014-05-18 10:10       ` Hugo Mills
2014-05-19 13:02     ` Chris Mason
2014-05-19 14:01     ` David Sterba
2014-05-19 14:33       ` David Sterba
2014-05-20  0:34         ` Qu Wenruo
2014-05-20 11:08           ` David Sterba

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