Return-path: Received: from mail-yx0-f174.google.com ([209.85.213.174]:65371 "EHLO mail-yx0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751283Ab1HKP7G (ORCPT ); Thu, 11 Aug 2011 11:59:06 -0400 Received: by yxj19 with SMTP id 19so1398661yxj.19 for ; Thu, 11 Aug 2011 08:59:05 -0700 (PDT) Message-ID: <4E43FC46.4030703@lwfinger.net> (sfid-20110811_175910_250211_4364FC5C) Date: Thu, 11 Aug 2011 10:59:02 -0500 From: Larry Finger MIME-Version: 1.0 To: kc@cobradevil.org CC: wireless Subject: Re: rtl8192cu sometimes it can authenticate to ap References: <34676454425401d650be733a43191a53@cobradevil.org> <532595cb4d5ef910de54a4736ba76185@cobradevil.org> <4E41624E.3010904@lwfinger.net> <4E429C57.1040101@lwfinger.net> <30cc9c22bb40fb1e2bd2b9ef4692d167@cobradevil.org> <4E43E910.7090001@lwfinger.net> <5dbd023b5dea7586dc45393c140316ad@cobradevil.org> In-Reply-To: <5dbd023b5dea7586dc45393c140316ad@cobradevil.org> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: On 08/11/2011 09:42 AM, kc@cobradevil.org wrote: > > > On Thu, 11 Aug 2011 09:37:04 -0500, Larry Finger wrote: >> On 08/11/2011 09:23 AM, kc@cobradevil.org wrote: >>> I have now tried several compat files til may 28 but none of them seems to work >>> with maverick at all. Do i need some updated files on the client to be able to >>> use the new compat tree? >>> >>> I thought that the compat tree would work without changes on kernel from > >>> 2.6.30 is that right? >> >> I have no idea what maverick is. I suppose it to be some release of >> Ubuntu, but you really need to specify a kernel version, not a release >> name. Many of us do not use any Debian-based systems for very good >> reasons. > > Sorry for that. The kernel is 2.6.35 but your answer makes it clear it should > work with no extra userland tools. >> >> The compat tree will work without changes on any kernel on which it >> will compile, AS LONG AS THE REST OF THE KERNEL DOES NOT BREAK THE >> WIRELESS. >> >> My full bisection ended up in am impossible result. >> >> The only other thing I can add at the moment, is that rtl8192cu works >> with WEP encryption, thus the part that broke is WPA and WPA2. > > Ok but did the driver work before with wpa and or wpa2? > If so do you have an idea which date the compat file should be? > > If not then i will have to wait for a fix but i can tell people whats wrong. It works with wireless-testing kernel 3.0, but not with 3.1-rc1. There were no changes in rtl8192cu in the interum - this problem has me baffled for the moment. According to the NetworkManager log, the device authenticates correctly, but it never manages to get an IP. Larry