Description of problem:
System freezes when I successfully connected to wireless network. I need to do
force reboot and select previous kernel to solve this problem. My laptop is NEC
Versa S5500, Fedora 9, 
$ /sbin/lspci | grep Network
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN
Network Connection (rev 61)

Version-Release number of selected component (if applicable):
kernel-2.6.25.6-55.fc9.i686.
iwl4965-firmware-4.44.1.20-1.noarch
NetworkManager-0.7.0-0.9.4.svn3675.fc9.i386

How reproducible:
Everytime I use the mentioned kernel version and try to connect to wireless network

Steps to Reproduce:
1. Boot up computer
2. Select a wireless network (Using Network-Manager)
3. When Network-Manager successfully connected, system goes to freeze
  
Actual results:
System freezes

Expected results:


Additional info: