linux-ext4 - ext4: 3.17? problems

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Date:	Sun, 28 Sep 2014 12:44:56 +0200
From:	Pavel Machek <pavel@....cz>
To:	kernel list <linux-kernel@...r.kernel.org>
Cc:	jack@...e.cz, linux-ext4@...r.kernel.org, tytso@....edu,
	kernel list <linux-kernel@...r.kernel.org>,
	adilger.kernel@...ger.ca
Subject: 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.

-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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