From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail.candelatech.com ([208.74.158.172]:39378 "EHLO ns3.lanforge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754057Ab3KMBYH (ORCPT ); Tue, 12 Nov 2013 20:24:07 -0500 Message-ID: <5282D4AF.7070704@candelatech.com> (sfid-20131113_022411_828243_56FAD45C) Date: Tue, 12 Nov 2013 17:23:59 -0800 From: Ben Greear MIME-Version: 1.0 To: Johannes Berg CC: "hostap@lists.shmoo.com" , "linux-wireless@vger.kernel.org" Subject: Re: Association often fails first time when roaming with 802.11r. References: <52828324.3060105@candelatech.com> <1384285594.14301.10.camel@jlt4.sipsolutions.net> <52828A27.1040103@candelatech.com> <1384287024.14301.11.camel@jlt4.sipsolutions.net> <52829163.5010201@candelatech.com> <5282AA36.2070703@candelatech.com> In-Reply-To: <5282AA36.2070703@candelatech.com> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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. Thanks, Ben -- Ben Greear Candela Technologies Inc http://www.candelatech.com