From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from rv-out-0506.google.com ([209.85.198.237]:28023 "EHLO rv-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751164AbZEIBQV (ORCPT ); Fri, 8 May 2009 21:16:21 -0400 Received: by rv-out-0506.google.com with SMTP id f9so1392723rvb.1 for ; Fri, 08 May 2009 18:16:22 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <43e72e890905081813r58888509je62856008cc62d22@mail.gmail.com> References: <1241677107.2918.4.camel@localhost.localdomain> <1241696104.27208.2.camel@johannes.local> <1241704437.4903.15.camel@localhost.localdomain> <1241705979.27208.31.camel@johannes.local> <1241827331.4903.75.camel@localhost.localdomain> <43e72e890905081813r58888509je62856008cc62d22@mail.gmail.com> From: "Luis R. Rodriguez" Date: Fri, 8 May 2009 18:16:02 -0700 Message-ID: <43e72e890905081816s2352d597k5d27c93eb8f8d624@mail.gmail.com> Subject: Re: Warning when terminating wpa_supplicant (wext driver) To: Marcel Holtmann Cc: Johannes Berg , linux-wireless@vger.kernel.org, "Guy, Wey-Yi W" Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Fri, May 8, 2009 at 6:13 PM, Luis R. Rodriguez wrote: > On Fri, May 8, 2009 at 5:02 PM, Marcel Holtmann wrote: >> Hi Johannes, >> >>> > > Copying Wey-Yi, but I think she's aware of this? It's definitely a >>> > > driver issue. I _suspect_, but am not sure, that the driver kills the >>> > > aggregation session when we disassoc or something and we only tell it >>> > > about the STA removal after that, when it already killed the STA. Thus >>> > > it would be a consequence of iwlwifi not implementing a proper >>> > > sta_notify() callback. >>> > >>> > I don't see it with nl80211 driver, but that might be pure luck. >>> >>> Hmm, ok, that points to something else maybe... Now I wish I had my >>> ftrace-mac80211 patch ready. Well, the patch is almost ready but we >>> can't use ftrace in modules yet... >>> >>> Maybe there's some timing issue. I still think it's iwlwifi getting >>> confused about what mac80211 is telling it as described, but it seems >>> it's a little more subtle than what I said. >> >> something similar now happened during normal operation: > > Just curious, have you applied johill's latest idle fix patch? I've > been running iperf overnight with it and my woes are gone. I tested RX > though, I'm leaving TX running now but haven't yet seen any warn. BTW the patch is mac80211: fix scan channel race Luis