Comment 2 for bug 1788739

As far as I can tell Evolution is the only cause of those I usually have running.

Output of xrandr:

Screen 0: minimum 320 x 200, current 1680 x 1050, maximum 8192 x 8192
VGA-1 connected primary 1680x1050+0+0 (normal left inverted right x axis y axis) 474mm x 296mm
   1680x1050 59.88*+
   1600x1200 60.00
   1280x1024 75.02 60.02
   1440x900 74.98 59.89
   1280x960 60.00
   1152x864 75.00
   1280x720 60.00
   1024x768 75.03 70.07 60.00
   832x624 74.55
   800x600 72.19 75.00 60.32 56.25
   640x480 75.00 72.81 66.67 59.94
   720x400 70.08
HDMI-1 disconnected (normal left inverted right x axis y axis)
DP-1 disconnected (normal left inverted right x axis y axis)