Bug#802211: systemd: rescue.service fails if root password is not set, needs sulogin --force

[Nathan Dorfman]

Hi, this is still an issue with the default stretch install, if the
option to not set a root password is taken at installation.

It is quite severe IMO, especially considering how likely it is to be
discovered only when the rescue shell is actually needed.

If this really can't be fixed before release, I'd strongly suggest
that debian-installer force a root password to be set until it can.

On a secondary note, I personally find it rather ludicrous that this
trivial fix is being held up by some kiosk considerations. Setting up
one of those usually requires many other customizations (for example,
disabling the default window manager), and it makes little sense to
opt for sudo over a separate root account at installation time for a
kiosk in the first place.

On the other hand, the much more common desktop use case shouldn't be
this broken out of the box. IMHO, of course.

-nd.