Re: iwlagn regression in v3.1.5

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:

quoted

On Sun, 2011-12-11 at 08:58 -0800, Andrej Gelenberg wrote:

quoted

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

quoted

quoted

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