nl80211: Beacon set failed: -16 (Device or resource busy)

Jouni Malinen j
Wed Nov 19 01:37:57 PST 2014

On Tue, Nov 18, 2014 at 11:35:37AM +1100, Sourav wrote:
> I am getting the following error on trying to run hostapd --

> root:/tmp/cdcs/etc# hostapd -B hostapd.conf -dddd

Which driver and which kernel version are you using?

> Using interface wlan0 with hwaddr 00:60:64:e7:e9:60 and ssid "NetComm 2500"

> *nl80211: Beacon set failed: -16 (Device or resource busy)*
> Failed to set beacon parameters
> Interface initialization failed

> hostapd_free_hapd_data: Interface wlan1 wasn't started
> hostapd_bss_deinit: deinit bss wlan0

Does this work if you try to initialize only a single BSS?

Jouni Malinen                                            PGP id EFC895FA

More information about the Hostap mailing list