On suggestion from Felix Miata I add inxi output: minas-tirith:/home/cer/Bugzilla/Bug_1050256 - GPU hang # inxi -c0 -G Graphics: Card: Intel Mobile 4 Series Integrated Graphics Controller Display Server: X.org 1.18.3 drivers: intel (unloaded: modesetting,fbdev,vesa) tty size: 150x51 Advanced Data: N/A for root minas-tirith:/home/cer/Bugzilla/Bug_1050256 - GPU hang #