Can someone please test if this still occurs on Fiesty or newer Ubuntu? If so, please attach your /etc/X11/xorg.conf, /var/log/Xorg.0.log, and the output from lspci -vv.
Can someone please test if this still occurs on Fiesty or newer Ubuntu? If so, please attach your /etc/X11/xorg.conf, /var/log/ Xorg.0. log, and the output from lspci -vv.