Return-path: Received: from nbd.name ([88.198.39.176]:55753 "EHLO ds10.mine.nu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751231AbZAERBj (ORCPT ); Mon, 5 Jan 2009 12:01:39 -0500 Message-ID: <49623CEA.4080407@openwrt.org> (sfid-20090105_180141_565079_86C6F679) Date: Mon, 05 Jan 2009 18:01:30 +0100 From: Felix Fietkau MIME-Version: 1.0 To: Andi Kleen CC: Larry Finger , Michael Buesch , linux-wireless@vger.kernel.org, John Linville Subject: Re: rate instability in wireless stack References: <20090105050248.GG496@one.firstfloor.org> <496193A6.3040608@lwfinger.net> <20090105054830.GJ496@one.firstfloor.org> <49620BE5.9030507@openwrt.org> <20090105142343.GS496@one.firstfloor.org> <49621C36.70602@openwrt.org> <20090105152410.GT496@one.firstfloor.org> <49622686.9050005@openwrt.org> <20090105163553.GU496@one.firstfloor.org> <49623712.4060106@openwrt.org> <20090105171105.GW496@one.firstfloor.org> In-Reply-To: <20090105171105.GW496@one.firstfloor.org> Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: Andi Kleen wrote: >> According to the rate control's view, only the 1M has a usable >> success probability. It's rather insteresting that 11M is the only >> other rate that had some successes. With this kind of results, the >> only two options that I can think of are either a systematic tx >> status reporting error (false negative for the IEEE80211_TX_STAT_ACK >> flag), or something PHY related. > > Ok. Any more data I should provide to help tracking this down? > Do you want the same from the RaLink? Yes, It'd be interesting to see if the table looks similar or if more rates work. - Felix