Comment 32 for bug 751605

I can duplicate with Firefox, and only sometimes, Netbeans. Workaround: Manually resize the window (click and drag the edges) so it is shorter than the smaller monitor, then maximize will land on the monitor you're on... output from xrandr:

Screen 0: minimum 320 x 200, current 3046 x 1050, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 344mm x 194mm
   1366x768 60.0*+
   1360x768 59.8 60.0
   1024x768 60.0
   800x600 60.3 56.2
   640x480 59.9
VGA1 connected 1680x1050+1366+0 (normal left inverted right x axis y axis) 474mm x 296mm
   1680x1050 59.9*+
   1680x945 60.0
   1400x1050 60.0
   1600x900 60.0
   1280x1024 75.0 60.0
   1440x900 75.0 59.9
   1280x960 60.0
   1366x768 60.0
   1360x768 60.0
   1280x800 74.9 59.8
   1152x864 75.0
   1280x768 74.9 59.9
   1024x768 75.1 70.1 60.0
   1024x576 60.0
   832x624 74.6
   800x600 72.2 75.0 60.3 56.2
   848x480 60.0
   640x480 72.8 75.0 66.7 60.0
   720x400 70.1
HDMI1 disconnected (normal left inverted right x axis y axis)
DP1 disconnected (normal left inverted right x axis y axis)