Return-path: Received: from mx1.HRZ.Uni-Dortmund.DE ([129.217.128.51]:35269 "EHLO unimail.uni-dortmund.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752103Ab1LKTUQ (ORCPT ); Sun, 11 Dec 2011 14:20:16 -0500 Message-ID: <4EE50266.4050208@udo.edu> (sfid-20111211_202043_058717_4EFDF829) Date: Sun, 11 Dec 2011 20:20:06 +0100 From: Andrej Gelenberg MIME-Version: 1.0 To: wwguy CC: Udo Steinberg , Intel Linux Wireless , "John W. Linville" , "linux-wireless@vger.kernel.org" , "netdev@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: iwlagn regression in v3.1.5 References: <4EE4AEF4.2080702@udo.edu> <4EE4DB55.4090804@udo.edu> <20111211174138.79e51fe8@x220.fritz.box> <4EE4E152.2070204@udo.edu> <1323627815.1806.19.camel@wwguy-ubuntu> In-Reply-To: <1323627815.1806.19.camel@wwguy-ubuntu> Content-Type: text/plain; charset=UTF-8; format=flowed Sender: linux-wireless-owner@vger.kernel.org List-ID: 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 >>> > >