Markus - have you tested with the video I posted? If the composite extension is enabled, I get tearing even when compiz is not running. Depending on the video, you may not always see it. That's why I made the test clip.
Markus - have you tested with the video I posted? If the composite extension is enabled, I get tearing even when compiz is not running. Depending on the video, you may not always see it. That's why I made the test clip.