I can confirm i have this happening with my GeForce GTX 780 Ti (GK110B) connected over HDMI to my Asus PB278Q monitor running Arch linux (3.16.1-1-ARCH).
xf86-video-nouveau 1.0.10-3 nouveau-dri 10.2.6-1 -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-nouveau in Ubuntu. https://bugs.launchpad.net/bugs/1203731 Title: 10de:11c0 [Asus Maximus IV GENE-Z] Strange line on left screen side To manage notifications about this bug go to: https://bugs.launchpad.net/nouveau/+bug/1203731/+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