Association often fails first time when roaming with 802.11r.

Ben Greear greearb
Tue Nov 12 17:23:59 PST 2013

On 11/12/2013 02:22 PM, Ben Greear wrote:

> I think it must have something to do with the ath9k driver resetting
> itself or maybe going to sleep when it notices no other stations are associated.  If I add
> a second station (in this case, I am roaming between two APs on the
> same channel), then the roam time is reliably < 50ms, usually around 40ms.
> When I have a single station, I see kernel logs such as this
> below (I added timestamps to logging messages).
> I'm dropping hostapd mailing from any further replies, as this does not
> seem to be an issue with it's logic...

Oh, my...found the problem.

I had serial console logging on, and all those extra regulatory messages makes
the difference :P

Disabled serial console and now it roams in about 13-14ms :P

/me slaps self in head with wet fish.


Ben Greear <greearb at>
Candela Technologies Inc

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