On 2020/2/13 上午5:58, Samir Benmendil wrote:
> Hello,
> 
> I've been getting the following "BTRFS errors" for a while now, the wiki
> [0] advises to report such occurrences to this list.

Please provide the following dump:

# btrfs ins dump-tree -b 194756837376 /dev/sda2
# btrfs ins dump-tree -b 194347958272 /dev/sda2

Thanks,
Qu
> 
> BTRFS critical (device sda2): corrupt leaf: root=466 block=194756837376
> slot=72 ino=1359622 file_offset=475136, extent end overflow, have file
> offset 475136 extent num bytes 18446744073709486080
> BTRFS error (device sda2): block=194756837376 read time tree block
> corruption detected
> BTRFS critical (device sda2): corrupt leaf: root=466 block=194756837376
> slot=72 ino=1359622 file_offset=475136, extent end overflow, have file
> offset 475136 extent num bytes 18446744073709486080
> BTRFS error (device sda2): block=194756837376 read time tree block
> corruption detected
> BTRFS critical (device sda2): corrupt leaf: root=466 block=194347958272
> slot=131 ino=1357455 file_offset=1044480, extent end overflow, have file
> offset 1044480 extent num bytes 18446744073708908544
> BTRFS error (device sda2): block=194347958272 read time tree block
> corruption detected
> 
> I can reproduce these errors consistently by running `updatedb`, I
> suppose some tree block in one of the file it reads is corrupted.
> 
> Thanks in advance for your help,
> Regards,
> Samir
> 
> [0]
> https://btrfs.wiki.kernel.org/index.php/Tree-checker#How_to_handle_such_error
>