hostap: Fail to register frame command.

Ben Greear greearb at
Sun Aug 12 11:01:56 EDT 2012

On 08/11/2012 07:39 AM, Jouni Malinen wrote:
> On Wed, Jul 11, 2012 at 02:21:40PM -0700, Ben Greear wrote:
>> Kernel is 3.3.8+, hostapd is from a few days ago.  Any idea
>> why this is failing?
>> 1342041584.536008: nl80211: Subscribe to mgmt frames with AP handle 0x9a97900
>> 1342041584.536052: nl80211: Register frame type=0xb0 nl_handle=0x9a97900
>> 1342041584.536075: nl80211: Register frame match - hexdump(len=0): [NULL]
>> 1342041584.536177: nl80211: Register frame command failed (type=176): ret=-114 (Operation already in progress)
>> 1342041584.536201: nl80211: Register frame match - hexdump(len=0): [NULL]
>> 1342041584.536263: nl80211: Failed to set interface vap0 into AP mode
> The driver did not seem to accept the request to register for processing
> Authentication frames due to something else had already registered for
> those. Did you have some other interfaces running as an AP at the same
> time?

Yes, that seemed to be the problem.  I had some stale hostapd processes
running.  I'm killing them harder now..and haven't seen any problems



Ben Greear <greearb at>
Candela Technologies Inc

More information about the HostAP mailing list