Return-path: Received: from fg-out-1718.google.com ([72.14.220.153]:5743 "EHLO fg-out-1718.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753359AbZGZKOM (ORCPT ); Sun, 26 Jul 2009 06:14:12 -0400 Received: by fg-out-1718.google.com with SMTP id e21so667212fga.17 for ; Sun, 26 Jul 2009 03:14:12 -0700 (PDT) Subject: Re: [ipw3945-devel] [BUG] Current head of wireless testing unusable From: Maxim Levitsky To: John Ranson Cc: Marcel Holtmann , Pavel Roskin , linux-wireless , iwlwifi maling list In-Reply-To: References: <1248531054.15242.16.camel@maxim-laptop> <1248558755.11389.21.camel@mj> <1248561109.4753.9.camel@maxim-laptop> <1248562407.7314.1.camel@maxim-laptop> <1248585928.28545.166.camel@violet> Content-Type: text/plain Date: Sun, 26 Jul 2009 13:14:07 +0300 Message-Id: <1248603247.6285.0.camel@maxim-laptop> Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Sat, 2009-07-25 at 23:34 -0700, John Ranson wrote: > Hi Maxim and Marcel, > > On Sat, Jul 25, 2009 at 10:25 PM, Marcel Holtmann wrote: > > Hi Maxim, > > > >> > > > I probably should work more to did these bugs out myself, but anyway I > >> > > > want to let you know what I currently see. > >> > > > > >> > > > First system oopses just after NM starts up, happens always, and after > >> > > > planting few test points bug happens somewhere in following lines. > >> > > > >> > > We are discussing a bug in the scan state machine in another thread, > >> > > which could have nasty consequences in not caught. And I don't quite > >> > > understand why my system was catching it immediately, maybe because I'm > >> > > using gcc 4.4, which has array bounds checking. > >> > Yea, there are two patches with same title for this, I applied the > >> > newer. > >> > > >> > Currently thanks to Johannes Berg, the patch > >> > [PATCH] nl80211: add missing parameter clearing > >> > Fixes this nasty oops, now wireless more or less works, but plenty of > >> > problems still, first it oopses on reconnect as inilialized from > >> > wpa_supplicant, second iwconfig misses most of its settings, and > >> > probably thus NM think signal level is zero. If I switch to good old > >> > wext in wpa_supplicant, it works just fine and none of above problems > >> > present (I recheck this again to be sure) > >> Except very frequent reconnects, > >> "[ 919.250097] No probe response from AP 00:1b:9e:d8:77:02 after 200ms, disconnecting." > > > > I have the same issue with my Intel 5350 card and if the signal strength > > of the AP gets a little bit weaker. > > > > I also am seeing this frequently, and I'm sitting about six feet from > my access point. I don't think that it's necessarily related to signal > strength. > Me too, I was sitting about same six feet from the AP Best regards, Maxim Levitsky > John