Return-path: Received: from mga09.intel.com ([134.134.136.24]:36865 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752692Ab1LLBmV (ORCPT ); Sun, 11 Dec 2011 20:42:21 -0500 Subject: Re: iwlagn regression in v3.1.5 From: wwguy To: Andrej Gelenberg Cc: Udo Steinberg , Intel Linux Wireless , "John W. Linville" , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" In-Reply-To: <4EE50266.4050208@udo.edu> References: <4EE4AEF4.2080702@udo.edu> <4EE4DB55.4090804@udo.edu> <20111211174138.79e51fe8@x220.fritz.box> <4EE4E152.2070204@udo.edu> <1323627815.1806.19.camel@wwguy-ubuntu> <4EE50266.4050208@udo.edu> Content-Type: text/plain; charset="UTF-8" Date: Sun, 11 Dec 2011 17:35:37 -0800 Message-ID: <1323653737.1806.21.camel@wwguy-ubuntu> (sfid-20111212_024225_518194_9B3C01B8) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: Hi Andjej, Could you please load the module with debug=0x1082 and send me the log. $sudo modprobe iwlagn debug=0x1082 Thanks Wey On Sun, 2011-12-11 at 11:20 -0800, Andrej Gelenberg wrote: > Hi, > > some info to the AP i use: > > Technaxx Router-150 Wifi-N based on ranik soc > > $ iw dev wlan0 station dump > Station xx:xx..xx:xx (on wlan0) > inactive time: 6603 ms > rx bytes: 377786468 > rx packets: 443535 > tx bytes: 15677515 > tx packets: 155009 > tx retries: 2723757 > tx failed: 51495 > signal: -72 dBm > signal avg: -71 dBm > tx bitrate: 135.0 MBit/s MCS 6 40Mhz short GI > authorized: yes > authenticated: yes > preamble: long > WMM/WME: yes > MFP: no > > $ iwconfig wlan0 > wlan0 IEEE 802.11abgn ESSID:"xxx" > Mode:Managed Frequency:2.437 GHz Access Point: xx:xx..xx:xx > Bit Rate=121.5 Mb/s Tx-Power=15 dBm > Retry long limit:7 RTS thr:off Fragment thr:off > Power Management:off > Link Quality=42/70 Signal level=-68 dBm > Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0 > Tx excessive retries:51520 Invalid misc:3567 Missed beacon:0 > > some dmesg output: > > [ 903.748514] wlan0: authenticate with xx:xx..xx:xx (try 1) > [ 903.750991] wlan0: authenticated > [ 903.753357] wlan0: associate with xx:xx..xx:xx (try 1) > [ 903.759482] wlan0: RX AssocResp from xx:xx..xx:xx (capab=0xc31 > status=0 aid=1) > [ 903.759487] wlan0: associated > > $ iwlist wlan0 scan > > Cell 06 - Address: xx:xx..xx:xx > Channel:6 > Frequency:2.437 GHz (Channel 6) > Quality=45/70 Signal level=-65 dBm > Encryption key:on > ESSID:"xxx" > Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 9 Mb/s > 18 Mb/s; 36 Mb/s; 54 Mb/s > Bit Rates:6 Mb/s; 12 Mb/s; 24 Mb/s; 48 Mb/s > Mode:Master > Extra:tsf=0000005666eac197 > Extra: Last beacon: 33ms ago > IE: Unknown: 000873757065726B7568 > IE: Unknown: 010882848B961224486C > IE: Unknown: 030106 > IE: Unknown: 2A0100 > IE: Unknown: 32040C183060 > IE: Unknown: > 2D1A7E1117FF000000010000000000000000000000000C0000000000 > IE: Unknown: > 3D1606070500000000000000000000000000000000000000 > IE: Unknown: 3E0100 > IE: IEEE 802.11i/WPA2 Version 1 > Group Cipher : CCMP > Pairwise Ciphers (1) : CCMP > Authentication Suites (1) : PSK > IE: Unknown: > DD180050F2020101800003A4000027A4000042435E0062322F00 > IE: Unknown: 0B05020012127A > IE: Unknown: 4A0E14000A002C01C800140005001900 > IE: Unknown: 7F0101 > IE: Unknown: DD07000C4307000000 > IE: Unknown: 0706465220010D10 > IE: Unknown: > DD1E00904C337E1117FF000000010000000000000000000000000C0000000000 > IE: Unknown: > DD1A00904C3406070500000000000000000000000000000000000000 > > Regards, > Andrej Gelenberg > > On 12/11/2011 07:23 PM, wwguy wrote: > > On Sun, 2011-12-11 at 08:58 -0800, Andrej Gelenberg wrote: > >> Hi, > >> > >> this is pretty mean regression for the stable kernel. You may the fix > >> only for cards, which need it and not for all of them. > > > > Could you elaborate more on the failure case and setup. this patch is to > > address HT40 related problem which cause the iwlwifi firmware crash. > > > > Thanks > > Wey > >>> > > > > >