Thanks for your bug report. Do you have any options set in xorg.conf? Try running without an xorg.conf.
You may want to test a newer driver, see https://wiki.ubuntu.com/XorgOnTheEdge
If the issue persists on the newest drivers, please attach /var/log/Xorg.0.log
Thanks for your bug report. Do you have any options set in xorg.conf? Try running without an xorg.conf.
You may want to test a newer driver, see https:/ /wiki.ubuntu. com/XorgOnTheEd ge
If the issue persists on the newest drivers, please attach /var/log/Xorg.0.log