linux-kernel - Re: ath9k becon loss messages

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Message-ID: <873acmyz4x.fsf@litku.valot.fi>
Date:	Mon, 06 Apr 2009 11:17:34 +0300
From:	Kalle Valo <kalle.valo@....fi>
To:	Helmut Schaa <helmut.schaa@...glemail.com>
Cc:	Jaswinder Singh Rajput <jaswinder@...nel.org>,
	Michael Buesch <mb@...sch.de>,
	Sujith <Sujith.Manoharan@...eros.com>,
	wireless <linux-wireless@...r.kernel.org>,
	David Miller <davem@...emloft.net>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: ath9k becon loss messages

Helmut Schaa <helmut.schaa@...glemail.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
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