Re: wl127x: Unable to associate with a WPA2-PSK AP

[Larry Finger <Larry.Finger@lwfinger.net>]

On 07/10/2013 12:48 PM, José Miguel Gonçalves wrote:
> On 10-07-2013 18:17, Luciano Coelho wrote:
>> On Wed, 2013-07-10 at 17:30 +0100, José Miguel Gonçalves wrote:
>>> On 10-07-2013 13:34, José Miguel Gonçalves wrote:
>>>> I will try a new AP to see how it behaves...
>>>>
>>> I've tested with my Android smartphone acting as an AP, without authentication,
>>> and I'm also unable to associate!
>>>
>>> I get from iw the following error message:
>>>
>>> wlan0 (phy #0): failed to connect to b4:07:f9:49:cc:65, status: 1:
>>> Unspecified failure
>>>
>>> Complete log is here:
>>>
>>> http://pastebin.com/DzPmMw8i
>>>
>>> So, something is definitely wrong with my setup... but what?
>>> Hope that log has some useful info for you...
>> This definitely looks like RF problems.  Especially this:
>>
>> [  177.575000] wlan0: send auth to b4:07:f9:49:cc:65 (try 1/3)
>> [  177.595000] wlan0: send auth to b4:07:f9:49:cc:65 (try 2/3)
>> [  177.605000] wlcore: EVENT on mbox 1
>> [  177.605000] wlcore: MBOX vector: 0x100000
>> [  177.610000] wlcore: MAX_TX_FAILURE_EVENT_ID
>> [  177.615000] wlan0: send auth to b4:07:f9:49:cc:65 (try 3/3)
>> [  177.640000] wlan0: authentication with b4:07:f9:49:cc:65 timed out
>>
>> You are send auth requests out, but not getting anything back.
>> Apparently you're not even getting ACKs (as pointed out by the
>> MAX_TX_FAILURE_EVENT_ID).
>
> Hum. I never considered RF problems because I'm testing this module with a
> Jorjin's development kit, so I was considering that Jorjin knows how to make
> PCBs for RF. Also seeing that when I remove the antenna the AP signal strength
> changes from -51 dBm to -73 dBm was a signal to me that the RF was OK.
>
>>
>> Do you have a sniffer? You could try to use your TP-Link dongle with
>> wireshark to see if it works fine as a sniffer.
>
> I have a text console only system. I could put tcpdump on my system, but I think
> I can not monitor wireless traffic with it, or can I?

I use Kismet to monitor the air on a text-only system.

Larry