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

[bugzilla-noreply at freebsd.org]

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

--- Comment #10 from Hiren Panchasara <hiren at FreeBSD.org> ---
(In reply to Adrian Chadd from comment #9)
> (In reply to Hiren Panchasara from comment #6)
> > Created attachment 146235 [details]
> > wifi debug 1
> 
> Hm, so it drops all the way to MCS0 and then never tries a higher rate. I
> wonder why.

Are you talking about following portion of logs?

Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: 1stream
antenna=0x01, 2stream antenna=0x03, ntxstreams=2
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=0, txrate=7,
rate=0x87
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=1, txrate=6,
rate=0x86
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=2, txrate=5,
rate=0x85
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=3, txrate=4,
rate=0x84
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=4, txrate=3,
rate=0x83
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=5, txrate=2,
rate=0x82
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=6, txrate=1,
rate=0x81
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=7, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=8, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=9, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=10, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=11, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=12, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=13, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=14, txrate=0,
rate=0x80
Aug 24 15:43:42 flymockour-l7 kernel: iwn_set_link_quality: i=15, txrate=0,
rate=0x80

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