Look at section "My custom video mode is not effective" on "http://nouveau.freedesktop.org/wiki/TroubleShooting/":
xrandr --output DVI-I-1 --set 'scaling mode' None -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1124299 Title: Wrong vertical refresh with Nouveau To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/+bug/1124299/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
