White dotted pattern on Water (in shadow)

Here's the unsightly white dotted pattern I experience with water in shadow even at max zoomout on my setup
Im on Win 7 64bit, AMD Phenom II 965, ATI 5850 with latest drivers
Any bugfix would be greatly appreciated please
Im on Win 7 64bit, AMD Phenom II 965, ATI 5850 with latest drivers
Any bugfix would be greatly appreciated please

0
Comments
this bmp seems to show the problem properly: