[pkg-cryptsetup-devel] Bug#792552: Bug#792552: still doesn't continue shutdown process

[Guilhem Moulin]

Hi Pali,

On Thu, 25 May 2017 at 18:23:00 +0200, Pali Rohár wrote:
> Same problem there. I have up-to-date Debian Stretch with LUKS-encrypted 
> rootfs and system hangup on every shutdown or reboot.
> 
> I debugged this problem and found out that after this log message
> 
> [....] Stopping remaining crypto disks...
> 
> is called cryptsetup luksClose <disk> And cryptsetup itself freeze.

Which init system are you using?  Your diagnostic looks pretty much like

    https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=791944#27

which as I explained in message #86 is due to /etc/init.d/sendsigs
killing systemd-udevd at shutdown/reboot time, thereby causing dmsetup
to hang.  The udev/systemd maintainers have fixed #791944, but their fix
probably didn't land into Stretch yet.

Cheers,
-- 
Guilhem.
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