I don't know exactly what is happening in Chromium, but I cannot play many HTML5 videos, because they skip during playback and this is extremely annoying. Can you please tell me, if you have the same problem? Here is a video which begins to skip at about 1 min 20 sec (you can also fast forward to this point, it has nothing to do with buffers underrunning): http://www.youtube.com/watch?v=VzFpg271sm8 Don't forget to setup HTML5 here: http://www.youtube.com/html5 One more thing... I am not talking about Flash(tm), I've never used it and I don't want to use it. So, "install Flash plugin(tm)" is not an option for me.