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To: Helmut Schaa <helmut.schaa@googlemail.com>
Cc: Jaswinder Singh Rajput <jaswinder@kernel.org>,
       Michael Buesch <mb@bu3sch.de>, Sujith <Sujith.Manoharan@atheros.com>,
       wireless <linux-wireless@vger.kernel.org>,
       David Miller <davem@davemloft.net>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: ath9k becon loss messages
References: <1238923439.4120.9.camel@localhost.localdomain>
	<1238925174.4120.12.camel@localhost.localdomain>
	<87bprbif2f.fsf@litku.valot.fi>
	<200904060914.32245.helmut.schaa@gmail.com>
From: Kalle Valo <kalle.valo@iki.fi>
Date: Mon, 06 Apr 2009 11:17:34 +0300
In-Reply-To: <200904060914.32245.helmut.schaa@gmail.com> (Helmut Schaa's message of "Mon\, 6 Apr 2009 09\:14\:31 +0200")
Message-ID: <873acmyz4x.fsf@litku.valot.fi>
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Helmut Schaa <helmut.schaa@googlemail.com> writes:

>> Then there is something happening in ath9k or your AP which prevents
>> ath9k from receiving beacons. Try pinging your AP with 100 ms
>> interval. Do you see anything happening in 120 s intervals?
>
> NetworkManager typically scans every 120 seconds and I can also trigger
> the messages by a manual scan with iwlist. I did not dig any further but
> the messages seem to appear right at the end of the scan. Tried with iwlagn
> and both sw_scan and hw_scan.

Thanks, this was valuable info. It might be that my beacon filtering
patches broke something related to scanning and beacon loss check. I'll
take a look at this.

-- 
Kalle Valo