I can reproduce it everytime, with the variant that if on first I don't start x, gdm start is rejected, once gdm is started no unity available, only background, starting another session i can have panels only on gnome classical
I can reproduce it everytime, with the variant that if on first I don't start x, gdm start is rejected, once gdm is started no unity available, only background, starting another session i can have panels only on gnome classical