Return-path: Received: from mail-pv0-f174.google.com ([74.125.83.174]:58752 "EHLO mail-pv0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756767Ab0DBGFo convert rfc822-to-8bit (ORCPT ); Fri, 2 Apr 2010 02:05:44 -0400 Received: by pva18 with SMTP id 18so796623pva.19 for ; Thu, 01 Apr 2010 23:05:44 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: From: "Luis R. Rodriguez" Date: Thu, 1 Apr 2010 23:05:24 -0700 Message-ID: Subject: Re: iwlagn unexpected AddBA Req To: linux-wireless Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Apr 1, 2010 at 10:04 PM, Luis R. Rodriguez wrote: > On Thu, Apr 1, 2010 at 10:01 PM, Luis R. Rodriguez wrote: >> On Thu, Apr 1, 2010 at 9:45 PM, Luis R. Rodriguez wrote: >>> [  117.491303] unexpected AddBA Req from 00:22:6b:56:fd:e9 on tid 0 >>> [  178.467383] unexpected AddBA Req from 00:22:6b:56:fd:e9 on tid 0 >>> [  239.447236] unexpected AddBA Req from 00:22:6b:56:fd:e9 on tid 0 >>> >>> I get a lof of these at spurious times against my WRT610N using >>> today's wireless-testing on iwlagn. >> >> Here's a very simply way to reproduce this -- I ping my AP and keep >> only that connection alive. I see this come up every minute. I see the >> MCS rate fluctuate between 7 and 15 @ HT40 Short GI, and also 6 >> Mbit/s. This is on 5 GHz. > > OK I don't think this is coincidence this happens exactly every minute > + 1 second: > > Apr  1 21:50:01 tux kernel: [  788.234773] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:51:02 tux kernel: [  849.212426] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:52:03 tux kernel: [  910.188457] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:53:04 tux kernel: [  971.163480] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:54:05 tux kernel: [ 1032.143746] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:55:06 tux kernel: [ 1093.151574] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:56:07 tux kernel: [ 1154.158165] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:57:08 tux kernel: [ 1215.163516] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:58:09 tux kernel: [ 1276.171801] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 21:59:10 tux kernel: [ 1337.177613] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 22:00:11 tux kernel: [ 1398.186640] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 22:01:12 tux kernel: [ 1459.193255] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 22:02:13 tux kernel: [ 1520.199135] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 > Apr  1 22:03:14 tux kernel: [ 1581.204850] unexpected AddBA Req from > 00:22:6b:56:fd:e9 on tid 0 Hm, I had a feeling this was firmware related so I just downloaded the latest, turns out I have the latest: mcgrof@tux ~/Downloads/firmware/iwlwifi-4965-ucode-228.61.2.24 $ ls iwlwifi-4965-2.ucode LICENSE.iwlwifi-4965-ucode README.iwlwifi-4965-ucode mcgrof@tux ~/Downloads/firmware/iwlwifi-4965-ucode-228.61.2.24 $ sudo cp iwlwifi-4965-2.ucode /lib/firmware/^C mcgrof@tux ~/Downloads/firmware/iwlwifi-4965-ucode-228.61.2.24 $ sha1sum iwlwifi-4965-2.ucode 86b4ff04133b2b44412833234dc1dfbb502a4b7a iwlwifi-4965-2.ucode mcgrof@tux ~/Downloads/firmware/iwlwifi-4965-ucode-228.61.2.24 $ sha1sum /lib/firmware/iwlwifi-4965-2.ucode 86b4ff04133b2b44412833234dc1dfbb502a4b7a /lib/firmware/iwlwifi-4965-2.ucode Apr 1 22:45:06 tux kernel: [ 4.975607] iwlagn 0000:03:00.0: irq 32 for MSI/MSI-X Apr 1 22:45:06 tux kernel: [ 4.976734] iwlagn 0000:03:00.0: firmware: requesting iwlwifi-4965-2.ucode Apr 1 22:45:06 tux kernel: [ 5.008333] iwlagn 0000:03:00.0: loaded firmware version 228.61.2.24 Sometimes, I get into a loop where I just get these: 1270187820.132338: wlan14 (phy #0): deauth 00:22:6b:56:fd:e9 -> 00:21:5c:02:1f:db reason 15: 4-way handshake timeout I get this against 2.4 GHz and 5 Ghz, the 2 GHz band is configured to be 802.11g only. 5 GHz is configured for HT40 5 GHz only. Luis