Return-path: Received: from mail-wg0-f53.google.com ([74.125.82.53]:45947 "EHLO mail-wg0-f53.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756153Ab3J1T1p (ORCPT ); Mon, 28 Oct 2013 15:27:45 -0400 Received: by mail-wg0-f53.google.com with SMTP id y10so7318859wgg.32 for ; Mon, 28 Oct 2013 12:27:44 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <526E20EA.9090203@rempel-privat.de> From: Krishna Chaitanya Date: Tue, 29 Oct 2013 00:57:23 +0530 Message-ID: (sfid-20131028_202748_469801_9A398B03) Subject: Re: I always need a miracle to connect with iwlwifi To: Felipe Contreras Cc: Oleksij Rempel , ilw@linux.intel.com, "hostap@lists.shmoo.com" , linux-wireless Mailing List Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Oct 29, 2013 at 12:13 AM, Felipe Contreras wrote: > On Mon, Oct 28, 2013 at 12:28 PM, Krishna Chaitanya > wrote: >> On Mon, Oct 28, 2013 at 11:30 PM, Felipe Contreras >> wrote: >> >>> The authentication response does come back in both cases though, it's >>> just the acknowledgement that is missing. Unfortunately I cannot >>> figure out for which message it's the ack. >>> >>> Also, I notice the sequence number received from the router doesn't >>> seem to change. All the authentication requests received have the same >>> number (256). Another peculiar thing is that in the failed case the SN >>> we send starts with 0. >>> >>> I suppose since the authentication ack never arrives, the next steps >>> are never completed. >>> >>> Does that help? >> From the supplicant logs we have successfully received the >> authentication response >> and sent out the association request. So are you referring to not receiving ACK >> for association request?? > > No, from the capture there's no association request in the bad case, > only in the good one. > >> It would be nice to get the capture without any filters? > > http://people.freedesktop.org/~felipec/wpa/wpa-bad.pcapng > http://people.freedesktop.org/~felipec/wpa/wpa-good.pcapng > >From the logs we can see that we have received authentication response, so the association request is getting dropped somewhere? We might need the mac80211 and iwlwifi trace-cmd logs to check for the drop. http://wireless.kernel.org/en/developers/Documentation/mac80211/tracing Another side porint? Also all the beacons from that AP are malformed but probe responses are fine, weird??