Return-path: Received: from perninha.conectiva.com.br ([200.140.247.100]:50877 "EHLO perninha.conectiva.com.br" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751396AbYKJVgg (ORCPT ); Mon, 10 Nov 2008 16:36:36 -0500 From: Herton Ronaldo Krzesinski To: "Hin-Tak Leung" Subject: Re: throughput problem Re: [RFC/RFT PATCH v2 2/2] rtl8187: feedback transmitted packets using tx close descriptor for 8187B Date: Mon, 10 Nov 2008 19:36:49 -0200 Cc: linux-wireless@vger.kernel.org, Larry Finger , John W Linville , Johannes Berg , Michael Wu , Andrea Merello References: <349181.30158.qm@web23105.mail.ird.yahoo.com> In-Reply-To: <349181.30158.qm@web23105.mail.ird.yahoo.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Message-Id: <200811101936.49887.herton@mandriva.com.br> (sfid-20081110_223640_995190_DF19F00A) Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sunday 09 November 2008 04:01:03 Hin-Tak Leung wrote: > Without any additional modification, just compat-wireless and > wireles-testing v2.6.28-rc3-4651-gb53846d has a preculiar problem - the > rate is stuck at 54Mb (known issue to be addressed by Herton's feedback > patch) as shown by iwconfig, but sftp doesn't transfer file much higher > than 30-40kB/s. blowing away /lib/module/`uname -r`/updates (i.e. reverting > to the as shipped 2.6.27.5 rtl8187 & mac80211 ) gives easily over 10 times > that speed. anybody seen this problem (with rtl8187 or other mac80211 > driver with wireless testing)? Here I don't get such low transfer rate, may be a regression in wireless-testing? Try a bisect to see, besides that I don't have other ideas what could be. BTW, do you checked wireless-testing, so can I add your tested-by then to the "feedback transmitted packets..." patch? I plan to submit the final patch to inclusion in wireless-testing soon. -- []'s Herton