Originally Posted by CynicalPride
I ran into this issue as well, using openSUSE 11.3 x86_64. I solved the problem by upgrading the kernel to Linux 2.6.36-93-default x86_64. After the kernel update, ALL lockup issues and heavy xorg cpu usage issues were solved.
Nvidia GTX 260
Compositing via KWIN
NVIDIA Driver Version 260.19.21
I am using Linux kernel 126.96.36.199. I will try upgrading to Linux kernel 188.8.131.52.