Subject: Re: Problem with IEEE80211_MONITORING_INTERVAL
From: Johannes Berg <johannes@sipsolutions.net>
To: Marcel Holtmann <marcel@holtmann.org>
Cc: linux-wireless@vger.kernel.org, Kalle Valo <Kalle.Valo@nokia.com>,
	Jouni Malinen <j@w1.fi>
In-Reply-To: <1239841291.25334.18.camel@johannes.local> (sfid-20090416_022212_435684_EEC24EF6)
References: <1239837672.11795.46.camel@violet>
	 (sfid-20090416_012123_293746_81110E23)  <1239841291.25334.18.camel@johannes.local>
	 (sfid-20090416_022212_435684_EEC24EF6)
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Date: Thu, 16 Apr 2009 02:44:16 +0200
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> > After a long debugging session with Reinette we finally tracked down
> > what is going on here. A full scan with this card takes 7-9 seconds and
> > that seems to be too long and trigger IEEE80211_MONITORING_INTERVAL
> > which then deauthenticates us with the AP (reason=3D6).=20
>=20
> Yeah, this is a bug. We analysed this problem a couple of days ago and I
> thought Kalle was going to fix it -- maybe he forgot. I forgot what
> exactly it was and how to fix it, hmm. Right now I'm confused and can't
> seem to reproduce my analysis. I thought it had something to do with
> using a different timer but we do seem to use the regular mgd.timer, so
> I'm not sure.

Hmm. Can't seem to find what's going on -- can you enable
CONFIG_MAC80211_VERBOSE_DEBUG and check for the beacon loss messages?

johannes

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