I've got the same problem, adding radeon.new_pll=0 to the kernel seems to help. The only problem is that the scrollbar (Firefox, Thunderbird, Nautilus, ...) still flickers a bit.
Laptop:
Asus Z53JR ATI Mobility Radeon X2300
OS: Ubuntu 10.04.1 uname -rm: 2.6.32-25-generic i686
I've got the same problem, adding radeon.new_pll=0 to the kernel seems to help. The only problem is that the scrollbar (Firefox, Thunderbird, Nautilus, ...) still flickers a bit.
Laptop:
Asus Z53JR
ATI Mobility Radeon X2300
OS: Ubuntu 10.04.1
uname -rm: 2.6.32-25-generic i686