Return-path: Received: from purkki.adurom.net ([80.68.90.206]:32939 "EHLO purkki.adurom.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750980Ab2L0Is0 (ORCPT ); Thu, 27 Dec 2012 03:48:26 -0500 From: Kalle Valo To: Solomon Peachy Cc: Bartosz Markowski , linux-wireless@vger.kernel.org, Pontus Fuchs Subject: Re: [PATCH 06/17] cw1200: Mini-AP implementation References: <1356191120-5280-1-git-send-email-pizza@shaftnet.org> <1356191120-5280-7-git-send-email-pizza@shaftnet.org> <50D61117.8020009@gmail.com> <20121223124734.GB29607@shaftnet.org> <20121223164408.GA3624@shaftnet.org> Date: Thu, 27 Dec 2012 10:48:24 +0200 In-Reply-To: <20121223164408.GA3624@shaftnet.org> (Solomon Peachy's message of "Sun, 23 Dec 2012 11:44:09 -0500") Message-ID: <87r4mbubhj.fsf@purkki.adurom.net> (sfid-20121227_094836_677370_3AA555E5) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: Solomon Peachy writes: > From my own investigations into the LMAC sources, that event is > triggered by an internal LMAC timer if it hasn't received a beacon at > all in that time. Disabling powersave operation makes the problem go > away entirely, so I suspect what's happening is that the LMAC is > consistently waking up a little too late (or going back to sleep too > early) to hear the beacons. > > My guess is that the LMAC is pushing its powersaving margins too close. Or synchronisation to TBTT is busted for some reason, like not receiving a beacon before enabling power save etc. (just guessing here). -- Kalle Valo