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[ubuntu] Mobility Radeon HD 4500 Series, Compiz = Crash?

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linux-howto

http://ubuntuforums.org – Hey all! I have a Dell Studio 1555 with a Mobility Radeon HD 4500 Series and Ubuntu 9.04. I run the restricted hw drivers for my card so I can "enjoy" acceleration. I can enable compiz, even with full effects, and it works. Sorta. When I run VLC switching to full screen takes 10 seconds (and back), and manualy resizing the player windows makes X crash. Even worse is TV Playback with kaffeine: If compiz is enabled and I *try* to tune to a channel Linux hangs. I can't even SSH in anymore. This is really frustrating, is there a workaround? Like opensource drivers capable of doing 3d on said hardware? Or a configuration that, umm, stops the crashes? Any help is gladly appreciated! Cheers! -Christian (Hardware)