Comment 77 for bug 1295267

Affects me on a fresh install of 16.04. Two monitors with different port types.

xrandr:

Screen 0: minimum 8 x 8, current 5520 x 2160, maximum 16384 x 16384
DVI-I-0 disconnected (normal left inverted right x axis y axis)
DVI-I-1 connected 1680x1050+3840+555 (normal left inverted right x axis y axis) 474mm x 296mm
   1680x1050 59.88*+ 59.95
   1280x1024 75.02 60.02
   1152x864 75.00
   1024x768 75.03 60.00
   800x600 75.00 60.32
   640x480 75.00 59.94
HDMI-0 disconnected (normal left inverted right x axis y axis)
DP-0 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)
DP-2 connected primary 3840x2160+0+0 (normal left inverted right x axis y axis) 621mm x 341mm
   3840x2160 29.98*+
   2048x1080 59.99
   1920x1080 60.00 59.94 50.00 60.00 50.04
   1680x1050 59.95
   1440x900 74.98 59.89
   1280x1024 75.02 60.02
   1280x960 60.00
   1280x720 60.00 59.94 50.00
   1024x768 75.03 60.00
   800x600 75.00 60.32
   720x576 50.00
   720x480 59.94
   640x480 75.00 72.81 59.94 59.93
DP-3 disconnected (normal left inverted right x axis y axis)
DP-4 disconnected (normal left inverted right x axis y axis)
DP-5 disconnected (normal left inverted right x axis y axis)