Hi i get massive screentearing on linux (Kubuntu 15.04 X86_64).
Systemspecs: CPU: AMD FX 8350
RAM: 8 GB
GPU: GeForce 760 GTX (2GB) (MSI Frozr)
X.org: 1.17.1 (11701000) Nvidia Driver: 346.59
All games using the Unity3d Engine are affected regardless of their configuration. I also get tearing on the desktop when playing videos in VLC or scrolling Website in Firefox. The problem pressist when anonther DE or Windowmanager (Openbox) is used.