ipw2200 playing bad

[Andreas Mohr]

Hi,

On Sat, Jan 26, 2008 at 01:48:14AM +0000, Jose Rodriguez wrote:
> Hi
> 
> I installed 2.6.24 and everything seems OK except that my CPU
> spends about 75% of its time in C2:
> 
> C0 (cpu running)        ( 0.4%)
> C1		  0.0ms ( 0.0%)
> C2		 42.0ms (77.9%)
> C3		 41.2ms (21.7%)
> 2.00 Ghz     1.0%
> 1.80 Ghz     0.0%
> 800 Mhz     0.1%
> 600 Mhz    98.9%
> Wakeups-from-idle per second : 27.0	interval: 15.0s
> 
> I found out that this is avoided if I disconnect the radio of my
> wireless adaptor (echo 1 > /sys/bus/pci/devices/blabla/rf_kill).

Most likely you need to reduce the Tx beacon interval count (interval normally
100ms?) of your access point (if that's possible there) to cause less
packet receive wakeups.

Andreas Mohr