netdev - Re: [RFC PATCH] bcm43xx: set channel when the interface is brought up

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Message-Id: <1169742376.14349.7.camel@localhost.localdomain>
Date:	Thu, 25 Jan 2007 11:26:16 -0500
From:	Dan Williams <dcbw@...hat.com>
To:	Larry Finger <larry.finger@...inger.net>
Cc:	Gene Heskett <gene.heskett@...izon.net>,
	bcm43xx-dev@...ts.berlios.de, Jiri Benc <jbenc@...e.cz>,
	netdev@...r.kernel.org, Ivo Van Doorn <ivdoorn@...il.com>
Subject: Re: [RFC PATCH] bcm43xx: set channel when the interface is brought
	up

On Thu, 2007-01-25 at 09:36 -0600, Larry Finger wrote:
> Gene Heskett wrote:
> > On Thursday 25 January 2007 07:50, Jiri Benc wrote:
> >> On Thu, 25 Jan 2007 12:47:08 +0100, Ivo Van Doorn wrote:
> >>> Correct, similar problems have been detected in rt2x00. The temporary
> >>> solution in there is to demand a scanning operation after the
> >>> interface has been brought up.
> >> Scanning? No no no, please! That would be a clear bug and misbehaviour.
> >>
> >> Jiri
> > 
> > Oh?  I'm sitting here watching the tty0 screen of my lappy after x has 
> > been started, and I have established a connection, but SoftMAC is still 
> > logging its scan activity, starting with channel 1 and scanning 14 
> > channels.  Its doing this at approximately 2 minute intervals.  So I 
> > think we have your definition of a clear bug and misbehaviour.
> > 
> 
> Are you running NetworkManager? If so, that is the source of the scanning.

Right; and NM scans at 2m intervals by default, unless you've clicked
the menu (or a few other instances) where it will jump up to 20s and
then back off to 2m again.

dan


> Larry
> 
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