Comment # 1 on bug 948389 from Dominique Leuenberger

Sep 30 15:18:49 linux /usr/lib/gdm/gdm-x-session[2067]: (EE) no screens
found(EE)

Sounds rather like an X-issue than GNOME.


(In reply to Andrej Semen from comment #0)
> User login fail on gnome 
> 
> On a fresh installation of openSUSE 42.1 Beta1 a user login to GNOME or
> GNOME unter Wayland failed and turned back to login window. 

you selected GNOME Wayland? We might actually want to hide that away for Leap
42.1; wayland just seems not to cut it properly for a stable product so far
(even GDM runs on X in Leap 42.1). On 'GNOME' standard it has to work of
course.