Same with a nvidia 660ti with 304, 331, 334 nvidia drivers on x64 14.04 + xserver-xorg-core_1.14.5-1ubuntu1_amd64. Downgrading to 2:1.14.5-1ubuntu gets rid of the tearing. Running xbmc in its own xsession with alsa. Problem only occours in XBMC.
Same with a nvidia 660ti with 304, 331, 334 nvidia drivers on x64 14.04 + xserver- xorg-core_ 1.14.5- 1ubuntu1_ amd64. Downgrading to 2:1.14.5-1ubuntu gets rid of the tearing. Running xbmc in its own xsession with alsa. Problem only occours in XBMC.