Return-path: Received: from charlotte.tuxdriver.com ([70.61.120.58]:52325 "EHLO smtp.tuxdriver.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752007AbaIIUAJ (ORCPT ); Tue, 9 Sep 2014 16:00:09 -0400 Date: Tue, 9 Sep 2014 15:52:32 -0400 From: "John W. Linville" To: Oliver Hartkopp Cc: linux-wireless@vger.kernel.org, netdev@vger.kernel.org Subject: Re: iwlwifi no authentication with AP - Re: pull request: wireless-next 2014-09-08 Message-ID: <20140909195232.GO29412@tuxdriver.com> (sfid-20140909_220023_310976_095C3281) References: <20140908191630.GB29412@tuxdriver.com> <540F5927.7000306@hartkopp.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <540F5927.7000306@hartkopp.net> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Tue, Sep 09, 2014 at 09:46:47PM +0200, Oliver Hartkopp wrote: > Hello John, all, > > on my i7 Laptop with iwlwifi the latest net-next does not connect to my access point: > > [ 10.305284] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S > [ 10.312179] iwlwifi 0000:02:00.0: Radio type=0x1-0x3-0x1 > [ 10.524936] iwlwifi 0000:02:00.0: L1 Enabled; Disabling L0S > [ 10.531762] iwlwifi 0000:02:00.0: Radio type=0x1-0x3-0x1 > [ 10.614189] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready > [ 17.097238] wlan0: authenticate with 84:c9:b2:d5:87:80 > [ 17.130120] wlan0: send auth to 84:c9:b2:d5:87:80 (try 1/3) > [ 17.922281] wlan0: send auth to 84:c9:b2:d5:87:80 (try 2/3) > [ 18.935272] wlan0: send auth to 84:c9:b2:d5:87:80 (try 3/3) > [ 19.936236] wlan0: authentication with 84:c9:b2:d5:87:80 timed out > [ 21.962337] iwlwifi 0000:02:00.0: fail to flush all tx fifo queues Q 0 > [ 21.962348] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 3 > [ 21.962413] iwl data: 00000000: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................ > [ 21.962455] iwlwifi 0000:02:00.0: FH TRBs(0) = 0x00000000 > [ 21.962491] iwlwifi 0000:02:00.0: FH TRBs(1) = 0x00000000 > [ 21.962528] iwlwifi 0000:02:00.0: FH TRBs(2) = 0x00000000 > [ 21.962564] iwlwifi 0000:02:00.0: FH TRBs(3) = 0x00000000 > [ 21.962600] iwlwifi 0000:02:00.0: FH TRBs(4) = 0x00000000 > [ 21.962636] iwlwifi 0000:02:00.0: FH TRBs(5) = 0x00000000 > [ 21.962673] iwlwifi 0000:02:00.0: FH TRBs(6) = 0x00000000 > [ 21.962709] iwlwifi 0000:02:00.0: FH TRBs(7) = 0x0070402f > [ 21.962790] iwlwifi 0000:02:00.0: Q 0 is active and mapped to fifo 3 ra_tid 0x0000 [0,3] > [ 21.962869] iwlwifi 0000:02:00.0: Q 1 is active and mapped to fifo 2 ra_tid 0x0000 [0,0] > [ 21.962949] iwlwifi 0000:02:00.0: Q 2 is active and mapped to fifo 1 ra_tid 0x0000 [0,0] > [ 21.963030] iwlwifi 0000:02:00.0: Q 3 is active and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963109] iwlwifi 0000:02:00.0: Q 4 is active and mapped to fifo 7 ra_tid 0x0000 [48,48] > [ 21.963189] iwlwifi 0000:02:00.0: Q 5 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963270] iwlwifi 0000:02:00.0: Q 6 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963350] iwlwifi 0000:02:00.0: Q 7 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963428] iwlwifi 0000:02:00.0: Q 8 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963508] iwlwifi 0000:02:00.0: Q 9 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963588] iwlwifi 0000:02:00.0: Q 10 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963669] iwlwifi 0000:02:00.0: Q 11 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963750] iwlwifi 0000:02:00.0: Q 12 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963829] iwlwifi 0000:02:00.0: Q 13 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963909] iwlwifi 0000:02:00.0: Q 14 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.963988] iwlwifi 0000:02:00.0: Q 15 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.964069] iwlwifi 0000:02:00.0: Q 16 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.964149] iwlwifi 0000:02:00.0: Q 17 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.964228] iwlwifi 0000:02:00.0: Q 18 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 21.964308] iwlwifi 0000:02:00.0: Q 19 is inactive and mapped to fifo 0 ra_tid 0x0000 [0,0] > [ 22.116816] wlan0: authenticate with xx:xx:xx:xx:xx:xx > [ 22.155887] wlan0: send auth to xx:xx:xx:xx:xx:xx (try 1/3) > > (..) > > and again and again ... > > Mainly this is the changing stuff in the following dmesg output: > > [ 21.962348] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 3 > [ 26.951325] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 6 > [ 34.979316] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 9 > [ 39.964287] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 12 > [ 47.984243] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 15 > [ 55.984240] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 18 > [ 60.981221] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 21 > [ 73.878064] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 24 > [ 86.342476] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 27 > [ 98.770854] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 30 > [ 111.287320] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 33 > [ 121.045034] iwlwifi 0000:02:00.0: Current SW read_ptr 0 write_ptr 36 > > 02:00.0 Network controller: Intel Corporation Centrino Advanced-N 6200 (rev 35) > > Any idea? > > Regards, > Oliver Hopefully the Intel guys are listening. As a hunch, what sort of encryption are you using? John -- John W. Linville Someday the world will need a hero, and you linville@tuxdriver.com might be all we have. Be ready.