1. install ubuntu-gnome-desktop
2. select lightdm as the default
3. sudo service lightdm stop ; sudo service lightdm start
4. login choosing 'GNOME Wayland'
the screen goes black with a flashing cursor in the upper left. If I 'dpkg-reconfigure -plow lightdm' and choose 'gdm3', then stop light and start gdm3, then I can login to a wayland gnome3 desktop.
In an up to date Ubuntu 17.04 amd64 vm, if I:
1. install ubuntu- gnome-desktop
2. select lightdm as the default
3. sudo service lightdm stop ; sudo service lightdm start
4. login choosing 'GNOME Wayland'
the screen goes black with a flashing cursor in the upper left. If I 'dpkg-reconfigure -plow lightdm' and choose 'gdm3', then stop light and start gdm3, then I can login to a wayland gnome3 desktop.