Bug#1116563: gdm3: version 49 doesn't start if libnss-systemd is only partially configured in nsswitch.conf

[Petter Reinholdtsen]

[Simon McVittie]
> (I don't know why specifically gdm needs the greeter user to be
> available in the shadow "database", but apparently it does.

I suspect the reason is to check user password expire timestamps.
Perhaps it is enough to tell gdm to use a default value if it can not
find the information it want from the shadow database?

-- 
Happy hacking
Petter Reinholdtsen