[Bug 192950] [iwn] Centrino Advanced-N 6205 slow on 11n, better on 11g

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=192950

--- Comment #2 from Hiren Panchasara <hiren at FreeBSD.org> ---
(In reply to Adrian Chadd from comment #1)
> Ok, I'll start adding some more debugging to iwn(4) in HEAD and let you know
> when I'm ready to debug this.

I also have 6205:
iwn0 at pci0:3:0:0:        class=0x028000 card=0x13118086 chip=0x00858086 rev=0x34
hdr=0x00
    vendor     = 'Intel Corporation'
    device     = 'Centrino Advanced-N 6205 [Taylor Peak]'
    class      = network

> 
> If I forget / move onto something else, here's what I'm going to look at (in
> order):
> 
> * RXON config - antennas, MIMO, etc;
> * TX config - link quality setup, PLCP antenna config;

If possible, can you please share how are you going to debug these?

> 
> There's other mismatches I've found in the way the antennas are setup and ..
> well, it's still a mess. Sigh.

I'd like to follow how you debug this and would like to document it.

Thanks a lot in advance.

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