ext4: 3.17? problems

Hi!

After update to debian testing, my machine sometimes fails to
reboot. (aptitude upgrade seems to be the trigger).

So I had to hard power-down the machine. That should be perfectly
safe, as ext4 has a journal, and this is plain SATA disk, right?

On next boot to Debian stable, I got stacktrace, and messages about
ext4 corruption. Back to Debian testing. systemd ran fsck, determined
it can't fix it, dropped me into emergency shell, _but mounted the
filesstem, anyway_. Oops.

Now I'm getting

fsck 1.42.12
...
Inodes that were part of a corrupted orphan linked list found <y>
Deleted inode has zero dtime <y>
(6 inodes) was part of the orphaned inode list. FIXED.
Block bitmap differences.
Free inode counts wrong.


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