intel3945 ahdemo/monitor mode error "ifconfig: create: bad value"

[Bernhard Schmidt]

On Sunday 10 April 2011 04:00:04 Любомир Григоров wrote:
> I found update. If I do wlan1 ahdemo:
> 
> wpi0: AHDEMO mode not supported
> ifconfig: SIOCIFCREATE2: Operation not supported
> 
> if I do wlan1 monitor:
> 
> ifconfig: SIOCIFCREATE2: Input/output error

That smells like the interface you are trying to create does already
exist. Make sure you kill it with
% ifconfig wlan0 destroy
before trying to create a new one. Multiple VAPs (wlan0, wlan1, ..)
are not supported by wpi(4) same goes for ahdemo mode.

-- 
Bernhard