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

[Yuri D'Elia]

On Sat, Feb 11 2017, Michael Biebl wrote:
>> I cannot explain why given the exact same partition/volume scheme by
>> lvm/cryptsetup, in one case I can shutdown cleanly, and in the other it
>> breaks.
>
> While I can reproduce the error messages on shutdown, it does *not*
> cause a dirty file system (in particular /var) here.
> I do have persistent journal enabled on the test VM, but the filing
> killing/unmount spree in systemd-shutdown properly unmounts /var.

I reinstalled a lenovo yoga x1 with the latest amd64 daily debian
netinst image yesterday. Minimal install (empty tasksel). Again, I've
just followed the guided "lvm + full disk encryption" with an ext4 root
(default settings) and grub on the mbr ("legacy" boot - not even uefi).

I ended up with the same issue. At the first shutdown triggered by C-A-D
(without even logging in), I noticed the block device error, followed by
a dirty fs on the next reboot.

This is completely unrelated to virtio.