(Re)installing ubuntu-gnome-default-settings and then running "sudo dpkg-reconfigure gdm" to switch back to gdm (from lightdm) worked for me.
This is a nasty, renders-system-unusable bug though and it should not be de-prioritized just because there's a workaround that worked for 2 users.
(Re)installing ubuntu- gnome-default- settings and then running "sudo dpkg-reconfigure gdm" to switch back to gdm (from lightdm) worked for me.
This is a nasty, renders- system- unusable bug though and it should not be de-prioritized just because there's a workaround that worked for 2 users.