Return-path: Received: from fg-out-1718.google.com ([72.14.220.153]:23409 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751899AbZAETdU (ORCPT ); Mon, 5 Jan 2009 14:33:20 -0500 Received: by fg-out-1718.google.com with SMTP id 19so2681449fgg.17 for ; Mon, 05 Jan 2009 11:33:17 -0800 (PST) Message-ID: <3ace41890901051133t13c827ubcd0416503b7b878@mail.gmail.com> (sfid-20090105_203324_613455_8F6D56B4) Date: Mon, 5 Jan 2009 19:33:17 +0000 From: "Hin-Tak Leung" To: "Felix Fietkau" Subject: Re: rate instability in wireless stack Cc: "Andi Kleen" , "Larry Finger" , "Michael Buesch" , linux-wireless@vger.kernel.org, "John Linville" In-Reply-To: <49623CEA.4080407@openwrt.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 References: <20090105050248.GG496@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> <49623CEA.4080407@openwrt.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: This sounds a bit like what is mentioned in this bug report - (no solution yet, but the symptom seem similiar). http://bugzilla.kernel.org/show_bug.cgi?id=12131 On Mon, Jan 5, 2009 at 5:01 PM, Felix Fietkau wrote: > 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 > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >