T510 iwn and 9.0

[Josh Paetzel]

On Sep 7, 2011, at 1:51 AM, Bernhard Schmidt <bschmidt at freebsd.org> wrote:

> 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

I'm unsure how to check that to be honest. The old wireless router at work was a/b/g only. Everyone was experiencing drops to it though, and it completely lost it's mind this weekend and had to be replaced. My WAP at home is an airport extreme. It is n capable, I don't know enough about wireless to say if it's HT capable. The new WAP at work is a pretty high end netgear. I'll check the model as soon as I get there and try what was suggested. 

Thanks,

Josh