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-X, which is subscribed to xorg-server in 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 _______________________________________________ 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
