T510 iwn and 9.0

[Bernhard Schmidt]

On Wed, Sep 7, 2011 at 07:59, Adrian Chadd <adrian at freebsd.org> wrote:
> Hi!
>
> On 7 September 2011 13:36, Josh Paetzel <jpaetzel at freebsd.org> wrote:
>> I run a thinkpad T510 with a:
>>
>>  iwn0: <Intel(R) Centrino(R) Advanced-N 6200> mem 0xf2000000-0xf2001fff irq 17
>> at device 0.0 on pci3
>
> The last person to touch this was bernhard; I don't know if he has
> tinkered with the 6200 stuff though.
>
>> I brought my laptop home tonight and was getting frequent disconnects here as
>> well.  I have an apple airport extreme (the AP at work is a netgear of unknown
>> model)
>>
>> I was able to regain a nice stable connection by running ifconfig wlan0 -ht.
>
> Would you mind trying this instead:
>
> ifconfig wlan0 -ampdutx
>
> Once you've associated (ie, once HT has been enabled), and then run
> dhclient and start doing traffic.
> I'd like to see if it's a general HT issue or whether it's the TX
> aggregation code in iwn that needs tinkering with.
>
> Thanks,

Yeah, please do that. And.. is the network your connecting to even
HT/11n capable?

--
Bernhard