xrandr: Failed to get size of gamma for output default
Screen 0: minimum 160 x 160, current 1280 x 800, maximum 1600 x 1200
default connected 1280x800+0+0 (normal left inverted right x axis y axis) 0mm x 0mm
   1600x1200      0.00
   1400x1050      0.00
   1280x960       0.00
   1280x1024      0.00
   1152x864       0.00
   1024x768       0.00
   832x624        0.00
   800x600        0.00
   720x400        0.00
   480x640        0.00
   640x480        0.00
   640x400        0.00
   320x240        0.00
   240x320        0.00
   160x160        0.00
   1280x800       0.00*
