Return-path: Received: from mail-qy0-f200.google.com ([209.85.221.200]:49309 "EHLO mail-qy0-f200.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755075Ab0DCRA7 convert rfc822-to-8bit (ORCPT ); Sat, 3 Apr 2010 13:00:59 -0400 Received: by qyk38 with SMTP id 38so1306989qyk.5 for ; Sat, 03 Apr 2010 10:00:58 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <4BB773A9.2070703@lwfinger.net> References: <4BB7660A.3030900@lwfinger.net> <4BB773A9.2070703@lwfinger.net> Date: Sat, 3 Apr 2010 14:00:58 -0300 Message-ID: Subject: Re: RTL 8187b - naughty behaviour From: Rogerio Luz Coelho To: Larry Finger Cc: linux-wireless@vger.kernel.org, Herton Ronaldo Krzesinski Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: 2010/4/3 Larry Finger : > On 04/03/2010 11:49 AM, Rogerio Luz Coelho wrote: >> >> I have a MS-Win7 instalation on this Laptop and it works 100% even at >> longer distances than you report,even with walls in between. >> >> Will do the tcpperf test as soon as I get home. There are other with >> the same problem with my exact chip here in Brasil , that is because >> one of our leading Laptop vendors uses this config. > > What is the exact make and model of the device? It might be difficult > for me to get one in the US, but one of the rtl8187 developers lives in > Brazil. He should be able to find one. > It?s a POSITIVO R430L - Core 2 Duo 4GB RAM >> Does it matter that the USB port used in this setting is a connected >> to a USB HUB and then to the mother board? > > Is the hub passive, or is it powered? If the hub is good and not > underpowered, it should be OK. > >> More details and tests will come your way in a day or two ... will >> reinstall Mandriva 2010 and do some tests with older kernels. > > If you can download an openSUSE 11.2 Live CD and burn it, you would not > even have to do an installation. That one has a 2.6.31 kernel. > > Larry Will do that for sure Rogerio