I update to kernel-2.6.31.6-148, compiz and gnome-shell return to normal.
I think that I should write a post after searching the FP wiki for radeon and KMS,
Liang
-- <url>http://www.liangsuilong.info</url> Fight for freedom!!!!(3F) Ask not what your Linux distro can do for you!
Ask what you can do for your Linux distro!