Re: Fwd: Read time tree block corruption detected

[Ferry Toth <fntoth@gmail.com>]

Op 06-11-2020 om 11:27 schreef Qu Wenruo:
>>> BTRFS critical (device sda2): corrupt leaf: root=294 block=1169152675840
>>> slot=1 ino=915987, invalid inode generation: has 18446744073709551492
>>> expect [0, 5852829]
>>> BTRFS error (device sda2): block=1169152675840 read time tree block
>>> corruption detected
>>>
>>> So how do I repair this? Am I doing something wrong?
>> Please provide the following dump:
>> btrfs ins dump-tree -b 1169152675840 /dev/sda2
>>
>> Feel free to remove the filenames in the dump.
>>
>> And 'btrfs check /dev/sda2' output after the repair.
>>
>> As a workaround, you can use older kernel (v5.2 at most) to temporary
>> ignore the problem.
>>
>> Thanks,
>> Qu
>>
>>>>>> THanks,
>>>>>> Qu
>>>>>>>> Thanks,
>>>>>>>> Qu
>>>>>>>>
>>>>>>>>> Linux = 5.6.0-1032-oem
> Wait, it's just v5.6??

I did repair with Kubuntu groovy live usb.

That has 5.8 kernel + 5.7 btrfs-progs.

> Then that means, the error message can be wrong. Both transid and inode
> generation error could be output as "inode generation error".
>
> And to repair inode transid, the repair ability is not yet merged into
> upstream btrfs-progs.
>
> You can use the out-of-tree branch to repair it:
> https://github.com/adam900710/btrfs-progs/tree/inode_transid
>
> I'm afraid you have to build the btrfs-progs in liveUSB environment to
> repair it...
>
> I need to re-push the branch to make it into upstream.
>
> Thanks,
> Qu
>