Here's what the test program's output *should* look like, using the NVIDIA driver.
$ apt-cache policy nvidia-361 nvidia-361: Installed: 361.42-0ubuntu2 Candidate: 361.42-0ubuntu2 Version table: *** 361.42-0ubuntu2 500 500 http://us.archive.ubuntu.com/ubuntu xenial/restricted amd64 Packages 100 /var/lib/dpkg/status ** Attachment added: "correct-nvidia.png" https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1606122/+attachment/4706859/+files/correct-nvidia.png -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1606122 Title: Cairo drawing coordinates are broken w/nouveau (affects xfwm4) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1606122/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp