A workaround for ubuntu 14.04 with nvidia driver is to disable backing store in xorg:
Make sure you have the "-bs" option in lightdm config file: cat /usr/share/lightdm/lightdm.conf.d/50-xserver-command.conf [SeatDefaults] # Dump core xserver-command=X -bs -core -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1278012 Title: tearing with vsync enabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg-server/+bug/1278012/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
