Re: iwlagn regression in v3.1.5

[Andrej Gelenberg]

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
> > >

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