Since lightdm works OK there is most likely something that GDM could do differently.
I think this is a duplicate of LP: #1745664 . Does installing ncsd resolve the issue with gdm3, too?
Since lightdm works OK there is most likely something that GDM could do differently.
I think this is a duplicate of LP: #1745664 . Does installing ncsd resolve the issue with gdm3, too?