Comment 94 for bug 1568604

Also using Ubuntu MATE 16.04

Graphics: Card: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller
           Display Server: X.Org 1.17.2 drivers: intel (unloaded: fbdev,vesa)
           Resolution: 1680x1050@59.95hz
           GLX Renderer: Mesa DRI Intel Haswell Desktop
           GLX Version: 3.0 Mesa 11.0.4

Same comments as Etienne Papegnies re switching user.