Re: F21 fails to mount root part, btrfs check: Couldn't open file system

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On Wed, Apr 1, 2015 at 1:23 PM, Martin Langhoff
<martin.langhoff@xxxxxxxxx> wrote:
> On Wed, Apr 1, 2015 at 2:54 PM, Chris Murphy <lists@xxxxxxxxxxxxxxxxx> wrote:
>> Re-run the btrfs check. The error is still there even after a --repair.
>
> Bingo! You are right the error persists.
>
> It has no effect on my use of the system right now. Is anyone
> interested in debugging this further?

400 errors, nbytes wrong, isn't repaired by current btrfs check
https://bugzilla.kernel.org/show_bug.cgi?id=90071

What's interesting in that bug report that I'd forgotten about?

># btrfs inspect inode 804 /mnt/root
>/mnt/root/etc/shadow-

Different inode number, but the shadow file is affected. In every
single case I've had now (about 1/2 dozen) with this errors 400
message, it's involved the shadow file. I have no idea what's going on
between Btrfs and the shadow file, but something seems to be. Or it's
quite a coincidence.




-- 
Chris Murphy
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