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To: Adrian Chadd <adrian@freebsd.org>
From: Ian FREISLICH <ianf@clue.co.za>
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Date: Wed, 18 Aug 2010 12:38:08 +0200
Cc: Rui Paulo <rpaulo@freebsd.org>, current@freebsd.org
Subject: Re: AR9280 "bb hang" and other 
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Adrian Chadd wrote:
> Can you please change one at a time and see which affected it?

Looking at my logs:

startup:
Aug 18 09:41:40 mini kernel: wlan0: Ethernet address: b4:82:fe:72:16:09
Aug 18 09:41:41 mini kernel: wlan0: link state changed to UP

?:
Aug 18 09:45:25 mini kernel: ath0: bb hang detected (0x80), resetting

RF switch off:
Aug 18 09:49:50 mini kernel: ath0: bb hang detected (0x80), resetting
Aug 18 09:50:13 mini kernel: wlan0: link state changed to DOWN

RF switch on:
Aug 18 09:50:13 mini kernel: wlan0: link state changed to UP

AP changed channels
Aug 18 09:54:40 mini kernel: ath0: bb hang detected (0x80), resetting

wlan0 destroy:
Aug 18 09:56:31 mini kernel: wlan0: link state changed to DOWN
Aug 18 09:56:31 mini dhclient[1300]: Interface wlan0 no longer appears valid.

wlan0 create:
Aug 18 09:56:33 mini kernel: wlan0: Ethernet address: b4:82:fe:72:16:09
Aug 18 09:56:36 mini kernel: wlan0: link state changed to UP

It really looks likes like it's signal related, not card related
because this card still got a signal related bb hang before the
channel change, but not after.

Ian

-- 
Ian Freislich