Issues with urtwn

[Adrian Chadd]

Hi,

On 7 September 2014 19:16, Thiago Farina <tfransosi at gmail.com> wrote:
> On Sun, Sep 7, 2014 at 12:09 PM, Nathan Whitehorn
> <nwhitehorn at freebsd.org> wrote:
>> I've been having some issues with connection stability in urtwn for several
>> months. The usual symptom is that after some period of time the connection
>> will apparently stall. If I'm running ping continuously, for instance, it
>> will at some point stop receiving replies. Then, sometime later, immediately
>> if I use the "reassociate" command in wpa_cli, the connection will fix
>> itself and all the packets I didn't get earlier get delivered at once:
>> hundreds of ping replies, for instance, some with time stamps minutes in the
>> past. No data is actually lost, though.
>>
>> I think the issue is that the driver does not actually support powersave
>> mode (maybe it should?) but reports to the AP that it does:
>>
>>> ifconfig wlan0 list sta (this is on the AP)
>> ADDR               AID CHAN RATE RSSI IDLE  TXSEQ  RXSEQ CAPS FLAG
>> 80:1f:02:cc:47:a9    1   11  11M  8.5    0   5526  55712 EPS AE      RSN
>>
>> I don't know enough about wireless to fix this, but the AP waiting for a
>> powersave poll and never getting one seems consistent with the problem.
>
> I think what you are relating here is what I observed recently too.
> Sorry, I'm new to FreeBSD. Just installed it recently, and I noticed
> that after I left it idle (I went to do something for some hours) for
> some time it lost the connection. Only rebooting makes it connect
> again to my network.

Which NIC are you seeing this on?

I don't have this problem with Intel/Atheros chips on freebsd-head.



-a