I have exactly the same experience with nvidia-current 270.41.06-0ubuntu1 and compiz 1:0.9.4+bzr20110415-0ubuntu2. It only happens with gaussian blur, not with neither mipmap nor 4xbilinear.
I have exactly the same experience with nvidia-current 270.41.06-0ubuntu1 and compiz 1:0.9.4+ bzr20110415- 0ubuntu2. It only happens with gaussian blur, not with neither mipmap nor 4xbilinear.