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From: auxsvr@gmail.com
To: linux-btrfs@vger.kernel.org
Subject: Write time tree block corruption detected
Date: Mon, 31 May 2021 00:30:00 +0300	[thread overview]
Message-ID: <1861574.PYKUYFuaPT@localhost.localdomain> (raw)

Hello,

On linux 5.3.18-lp152.75-default (openSUSE 15.2), I got the following error message:

[33573.070335] BTRFS critical (device sda2): corrupt leaf: root=3 block=531135201280 slot=0 devid=1 invalid bytes used: have 64503152640 expect [0, 64424509440]
[33573.070338] BTRFS error (device sda2): block=531135201280 write time tree block corruption detected 
[33573.071909] BTRFS: error (device sda2) in btrfs_commit_transaction:2264: errno=-5 IO failure (Error while writing out transaction) 
[33573.071911] BTRFS info (device sda2): forced readonly 
[33573.071913] BTRFS warning (device sda2): Skipping commit of aborted transaction. 
[33573.071915] BTRFS: error (device sda2) in cleanup_transaction:1823: errno=-5 IO failure 
[33573.071917] BTRFS info (device sda2): delayed_refs has NO entry 
[33577.283856] BTRFS info (device sda2): delayed_refs has NO entry

Probably related is that the filesystem had less than 1 GiB free when this occurred. Rebooting and deleting some files seemed to have resolved it for a while, until:

[ 5201.020901] BTRFS critical (device sda2): corrupt leaf: root=3 block=536671682560 slot=0 devid=1 invalid bytes used: have 64503152640 expect [0, 64424509440]
[ 5201.020904] BTRFS error (device sda2): block=536671682560 write time tree block corruption detected
[ 5201.022983] BTRFS: error (device sda2) in btrfs_commit_transaction:2264: errno=-5 IO failure (Error while writing out transaction)
[ 5201.022985] BTRFS info (device sda2): forced readonly
[ 5201.022987] BTRFS warning (device sda2): Skipping commit of aborted transaction.
[ 5201.022988] BTRFS: error (device sda2) in cleanup_transaction:1823: errno=-5 IO failure
[ 5201.022991] BTRFS info (device sda2): delayed_refs has NO entry
[ 5201.023071] BTRFS info (device sda2): delayed_refs has NO entry

after a successful scrub and balance. This time df reports 8.8GiB free, but:

# btrfs fi df /
Data, single: total=55.98GiB, used=47.18GiB
System, single: total=32.00MiB, used=16.00KiB
Metadata, single: total=2.00GiB, used=1.01GiB
GlobalReserve, single: total=512.00MiB, used=0.00B

# btrfs fi show /
Label: none  uuid: 44c67fa4-e2c4-4da5-9d07-98959ff77bc4
        Total devices 1 FS bytes used 48.19GiB
        devid    1 size 60.00GiB used 60.07GiB path /dev/sda2

60.07GiB used out of 60.00GiB! I recall that this is what I saw the first time too, so it might be related to the cause.
Is there anything I can do to ensure that the filesystem is not further damaged and that the issue is resolved?

Regards,
Petros



             reply	other threads:[~2021-05-30 21:30 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-30 21:30 auxsvr [this message]
2021-06-07 11:55 ` Write time tree block corruption detected auxsvr
2021-06-08 14:45   ` auxsvr
2021-06-08 22:39     ` Qu Wenruo
2021-06-09  1:05       ` Qu Wenruo
2021-06-09  8:04         ` auxsvr
2021-06-09  8:32           ` Qu Wenruo
2021-06-11 19:44             ` auxsvr
  -- strict thread matches above, loose matches on Subject: below --
2020-08-12 13:49 Spencer Collyer
2020-08-12 14:15 ` Qu Wenruo
2020-08-13  5:53   ` Spencer Collyer
2020-08-13  5:58     ` Qu Wenruo
2020-01-17  8:21 write " Kenneth Topp
2020-01-17  8:33 ` Qu Wenruo
2020-01-17  8:48   ` Kenneth Topp
2020-01-17 10:09     ` Qu Wenruo

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