hostpad failed when station active

[Jouni Malinen]

On Thu, Jun 23, 2016 at 03:10:59PM +0000, Bob wrote:
> No issue to start the AP alone with the minimal hostapd configuration

> channel=6
> hw_mode=g

> but failed when virtual station is already up.

Which channel is the station interface using here? The driver is
unlikely to support multiple different channels, so that could be
behind the issue.

> Then hostapd gives following errors
> 
> ~~~
> nl80211: send_mlme - da= ff:ff:ff:ff:ff:ff noack=0 freq=0 no_cck=0
> offchanok=0 wait_time=0 fc=0xc0 (WLAN_FC_STYPE_DEAUTH) nlmode=3
> nl80211: send_mlme -> send_frame
> nl80211: send_frame - Use bss->freq=2412
> nl80211: send_frame -> send_frame_cmd
> nl80211: Frame command failed: ret=-16 (Device or resource busy)
> (freq=2412 wait=0)
> ~~~~

That's not a real issue, i.e., that's fine to ignore. The real issue
would likely show up in the log either before or after this message.

-- 
Jouni Malinen                                            PGP id EFC895FA