This started happening after I added this line to the Device-section in /etc/X11/xorg.conf: Option "TexturedVideo" "Off"
(This was added to prevent flickering of video streaming in combination with compiz enabled...)
This started happening after I added this line to the Device-section in /etc/X11/xorg.conf:
Option "TexturedVideo" "Off"
(This was added to prevent flickering of video streaming in combination with compiz enabled...)