It is a hardware limit that compiz from upstream does not enforce, we do it via compiz-manager. If you install compiz from upstream (like relik did on feisty) compiz will start but with have rendering problems on the part of the screen that goes over this limit.
It is a hardware limit that compiz from upstream does not enforce, we do it via compiz-manager. If you install compiz from upstream (like relik did on feisty) compiz will start but with have rendering problems on the part of the screen that goes over this limit.