altough LightDM solve the login problem, it's not solution, becouse the
NIS user can not shutdown/reboot the computer from the gnome session.
so I switch back to gdm and try the nscd hint .. looks like this solve
both problem for me!
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same problem here.
problem solved by switch to LightDM
so I'm not sure that it is systemd fault
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https://bugs.launchpad.net/bugs/1882034
Title:
cannot start X session with NIS account
