From owner-freebsd-wireless@FreeBSD.ORG  Wed Aug 24 10:31:09 2011
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From: Kang Yin Su <cantona@cantona.net>
Date: Wed, 24 Aug 2011 18:30:48 +0800
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To: Adrian Chadd <adrian@freebsd.org>
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Subject: Re: AR5416 beacon issue.
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There is no SWBA interrupt to trigger beacon send, looks like something
invalid in beacon timer. -Yin

On Wed, Aug 24, 2011 at 5:51 PM, Adrian Chadd <adrian@freebsd.org> wrote:

> On 24 August 2011 17:40, Kang Yin Su <cantona@cantona.net> wrote:
> > Still no beacon frames TX' from TDMA mode. Do you have idea what is this?
>
> It sounds like maybe the beacon gating of the TX queue is not functioning?
> It's possible that MAC changes between AR5212 and AR5416 are the problem?
>
> > "ar5416PerCalibrationN: NF calibration didn't finish; delaying CCA"
>  showing
> > while the TDMA wlan0 interface is brought up
>
> Oh, that can be ignored. It just meant the initial NF calibration
> during interface setup didn't complete very quickly, so it's delaying
> the CCA load (as the values needed aren't yet available.)
> The initial NF calibration can sometimes take quite a bit longer than 10ms.
>
> Adrian
>