linux-kernel - Re: iwlagn is getting very shaky

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Message-ID: <1319181973.3964.4.camel@jlt3.sipsolutions.net>
Date:	Fri, 21 Oct 2011 09:26:13 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Norbert Preining <preining@...ic.at>
Cc:	"Guy, Wey-Yi" <wey-yi.w.guy@...el.com>,
	David Rientjes <rientjes@...gle.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ipw3945-devel@...ts.sourceforge.net" 
	<ipw3945-devel@...ts.sourceforge.net>,
	"ilw@...ux.intel.com" <ilw@...ux.intel.com>,
	"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: iwlagn is getting very shaky

On Fri, 2011-10-21 at 10:23 +0900, Norbert Preining wrote:

> > > [17419.285141] iwlagn 0000:06:00.0: Encounter TX_STATUS_FAIL_PASSIVE_NO_RX, am I on 5.2G band? (0)
> > > [17419.286583] wlan0: deauthenticating from 00:24:c4:ab:bd:ef by local choice (reason=2)
> > > [17419.300296] cfg80211: Calling CRDA for country: JP
> > > [17419.309278] wlan0: authenticate with 00:24:c4:ab:bd:ef (try 1)
> > > [17419.310105] wlan0: authenticated
> > > [17419.317900] wlan0: associate with 00:24:c4:ab:bd:ef (try 1)
> > 
> > It seems a bit like the 5 GHz AP (:e0) just fails, and wpa_supplicant
> > selects a 2.4 GHz AP (:ef) now? Pure conjecture, I guess the AP could
> > also be on the same channel -- did you have scan information for these
> > APs?
> 
> BSS 00:24:c4:ab:bd:e0 (on wlan0)
>         freq: 2412

> And the one I am on:
> BSS 00:24:c4:ab:bd:ef (on wlan0) -- associated
>         freq: 5200

> No idea if that helps you.

Yes, thanks. So it's actually the other way around I guess.

I'm wondering if this too is related to the channel mess in mac80211.

johannes

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