Actually I just installed the Numix Gtk theme - and now it works. Even with 1.5 vs 1.0 pixel scaling between the monitors.
Appears to be a scaling issue with the images used for close/maximize/minimize in the default ubuntu theme.
Actually I just installed the Numix Gtk theme - and now it works. Even with 1.5 vs 1.0 pixel scaling between the monitors.
Appears to be a scaling issue with the images used for close/maximize/ minimize in the default ubuntu theme.