Return-path: Received: from mail-lb0-f171.google.com ([209.85.217.171]:39076 "EHLO mail-lb0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755870Ab3J1UGH (ORCPT ); Mon, 28 Oct 2013 16:06:07 -0400 Received: by mail-lb0-f171.google.com with SMTP id x18so3273405lbi.2 for ; Mon, 28 Oct 2013 13:06:04 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: <526E20EA.9090203@rempel-privat.de> Date: Mon, 28 Oct 2013 14:06:04 -0600 Message-ID: (sfid-20131028_210614_523062_33500ECB) Subject: Re: I always need a miracle to connect with iwlwifi From: Felipe Contreras To: Krishna Chaitanya Cc: Oleksij Rempel , ilw@linux.intel.com, "hostap@lists.shmoo.com" , linux-wireless Mailing List Content-Type: text/plain; charset=UTF-8 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, Oct 28, 2013 at 1:27 PM, Krishna Chaitanya wrote: > 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 There you go: http://people.freedesktop.org/~felipec/wpa/trace.dat.xz -- Felipe Contreras