*** This bug is a duplicate of bug 269904 ***
https://bugs.launchpad.net/bugs/269904
Not exactly, as explained by nVidia developer Aaron Plattner in
https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/269904/comments/33
it is a design problem in X itself. More precisely, the problem is in
the XDamage extension, which notifies applications and other parts of X
when the screen needs to be redrawn. It was apparently never designed to
handle asynchronous rendering (as Compiz does with the nvidia driver).
This can result in redraw requests being sent/received in the wrong
order. The Damage extension needs to be extended to fix this, which is
not exactly trivial. That's why this is all taking so long...
--
Screen refresh problems with nvidia on Jaunty
https://bugs.launchpad.net/bugs/335405
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