kernel: prism2_hostapd: unknown cmd=12

Kevin Tang ktang at
Mon May 17 07:53:13 EDT 2004

Hi Arnaud,

I encountered the same message "Operation not supported" when I installed
the lastest development version of hostapd but not the latest
hostap-driver.  After I installed the latest driver, the message went
away.  This might not be your problem, but it's an easy fix if it is.


On Sat, 15 May 2004, Kwabbernoot wrote:

> Hi all,
> When I use my RH9 stop script for stopping hostapd is sends this 
> "prism2_hostapd: unknown cmd=12" to syslog. If I send a TERM by hand 
>   I get the same.
> Hostapd is working fine though, I'm just curious. Does somebody know 
> what command exactly is not understood?
> hostapd -dd output with a sig TERM:
> Signal 15 received - terminating
> Flushing old station entries
> Deauthenticate all stations
> ioctl[PRISM2_IOCTL_PRISM2_PARAM]: Operation not supported
> ioctl[PRISM2_IOCTL_PRISM2_PARAM]: Operation not supported
> Could not disable PrivacyInvoked for interface wlan0
> ioctl[PRISM2_IOCTL_HOSTAPD]: Operation not supported
> Could not remove generic information element from interface wlan0
> Regards,
> Arnaud
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