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SubjectRe: ext4: 3.17? problems
On Sun, Sep 28, 2014 at 12:44:56PM +0200, Pavel Machek wrote:
>
> 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.

I've been running 3.17-rc4 plus the ext4 dev patches and due to either
regressions in i915 or the X server (not sure which) over the last
couple of weeks, I've had to power-down my system a number of times
after the system has hung when either shutting down the X server or
when trying to add or remove an external display. So I've had to
unfortunately do a fair number of hard-power-offs on my T540p, and
I've not noticed any like what you've described.

Can you give any more details? Are you using LVM or dm-crypt? Is
this repeatable?

Cheers,

- Ted


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