[CentOS] iwl4965 causes soft lockups

Wed Sep 9 01:20:56 UTC 2009
Ned Slider <ned at unixmail.co.uk>

Ryan Pugatch wrote:
> Hi all,
> 
> Annoying issue.. my ThinkPad T61 has an iwl4965 wireless card.   When I 
> have the wireless switch on, I experience a lot of issues.. system keeps 
> freezing..unfreezing..freezing..etc.
> 
> Sometimes, a soft lockup is logged to /var/log/messages.
> 
> psmouse.c also sometimes throws an error saying the mouse lost 
> synchronization.
> 
> Obviously, this is causing the system to freeze for a sec and throws 
> everything off.
> 
> This is the case with both iwl4965-firmware ver 228.57.1.21 and 228.57.2.23.
> 

There is an updated firmware available:

http://elrepo.org/linux/elrepo/el5/x86_64/RPMS/iwl4965-firmware-228.61.2.24-1.elrepo.noarch.rpm

although I'm not sure it will particularly help with your issue.