Bug#607227: [RV516] with kms, screen flickers, without kms xorg eats 100% CPU
found 607227 linux-2.6/2.6.32-29
merge 575893 607227
Marcos Marado wrote:
> Yup, just did one test: turned modeset on and booted with
> radeon.new_pll=0 and the flickering is gone.
Nice. I assume you can reproduce this with current squeeze
kernels, too? Could you try patches 1/3 and 2/3 (but _not_ 3/3)
from  and see if they fix it?
Instructions for testing a patched kernel are at .