Bug#854699: Shutdown fails with an encrypted filesystem on virtio device

[Yuri D'Elia]

On Sat, Feb 11 2017, Michael Biebl wrote:
>> reached? If I cannot get a clean journal out, there's nothing much I can
>> debug.
>
> You could try to attach a serial device to your VM and log the output to
> that device [1]. This will get us a more complete log.
> Attach the complete file.

But for reference, how would I proceed on real hardware instead?

I had multiple occasions in the past with systemd+cryptsetup with where
the root fs was left unsynced and the journal becomes corrupted. I
couldn't find a way to reliable force an unit to be sequenced just prior
to shutdown.target.