I installed Ubuntu Natty on my machine and sometimes it freezes even when I perform no operation. I have installed restricted drivers, but no luck. My system config
Intel dual core 3.0GHZ 2gb ram Nvidia Geforce 9500GT 160GB Hard drive
Log file http://paste.ubuntu.com/686993/
Kernel log http://paste.ubuntu.com/687003/
Kernel log 12-09 http://paste.ubuntu.com/687628/
Any pointers to solve my system from freezing?