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From: telsch <telsch@gmx.de>
To: linux-btrfs@vger.kernel.org
Subject: tree-checker read time corruption
Date: Tue, 11 Feb 2020 15:17:07 +0100	[thread overview]
Message-ID: <5b974158-4691-c33e-71a7-1e5417eb258a@gmx.de> (raw)

Dear devs,



after upgrading from kernel 4.19.101 to 5.5.2 i got read time tree block
error as

described here:

     https://btrfs.wiki.kernel.org/index.php/Tree-checker#For_end_users



Working with kernel 4.19.101:



Linux Arch 4.19.101-1-lts #1 SMP Sat, 01 Feb 2020 16:35:36 +0000 x86_64
GNU/Linux



btrfs --version

btrfs-progs v5.4



btrfs fi show

Label: none  uuid: 56e753f4-1346-49ad-a34f-e93a0235b82a

         Total devices 1 FS bytes used 92.54GiB

         devid    1 size 95.14GiB used 95.14GiB path /dev/mapper/home



btrfs fi df /home

Data, single: total=94.11GiB, used=91.95GiB

System, single: total=31.00MiB, used=12.00KiB

Metadata, single: total=1.00GiB, used=599.74MiB

GlobalReserve, single: total=199.32MiB, used=0.00B



After upgrading to kernel 5.5.2:



[   13.413025] BTRFS: device fsid 56e753f4-1346-49ad-a34f-e93a0235b82a
devid 1 transid 468295 /dev/dm-1 scanned by systemd-udevd (417)

[   13.589952] BTRFS info (device dm-1): force zstd compression, level 3

[   13.589956] BTRFS info (device dm-1): disk space caching is enabled

[   13.594707] BTRFS info (device dm-1): bdev /dev/mapper/home errs: wr
0, rd 47, flush 0, corrupt 0, gen 0

[   13.622912] BTRFS info (device dm-1): enabling ssd optimizations

[   13.624300] BTRFS critical (device dm-1): corrupt leaf: root=5
block=122395779072 slot=10 ino=265, invalid inode generation: has
18446744073709551492 expect [0, 468296]

[   13.624381] BTRFS error (device dm-1): block=122395779072 read time
tree block corruption detected





Booting from 4.19 kernel can mount fs again.

             reply	other threads:[~2020-02-11 14:17 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-11 14:17 telsch [this message]
2020-02-12  0:41 ` tree-checker read time corruption Qu Wenruo
2020-02-12 14:20   ` telsch
2020-02-13  0:24     ` Qu Wenruo
2020-02-13 14:02       ` telsch
2020-02-13 14:14         ` Holger Hoffstätte

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