Re: Problems with ipw3945

[Alexander Sack <asac jwsdot com>]

On Wed, Nov 28, 2007 at 05:16:14PM -0500, Dan Williams wrote:
> On Wed, 2007-11-28 at 23:07 +0100, Martin Ginkel wrote:
> > Hi,
> > 
> > on my notebook I'm trying to user NM to access wireless networks.
> > There is a larger problem with setting essids and
> > associating/disassociating
> > to APs.
> 
> 0.6.5, right?
> 
> > Apparently the card assumes to interpret the essid "" (empty) to be *any*.
> 
> Yeah, that's the standard behavior.
> 
> > Therefore it associates immediately to the next ap.
> > I watched this with iwevent.
> > Nm first sets the essid to "" to disassociate, later it sets the id, I
> > selected
> > in the menu. But the card is already associated by the "" setting and
> > NM waits forever for an association event after setting the id.
> 
> Well, the driver needs to send the association event whenever it gets an
> association request, even if that association request is for the same AP
> that it's already associated with.  This seems like a driver bug to me.
> Association requests must always be followed by either a failed
> association event, or a valid associated AP event.  It sounds like the
> ipw3945 driver isn't doing that.
> 

This is a drivers bug. We have a fix for that in ubuntu. You can find
it in:

  https://code.launchpad.net/~asac/intellinuxwireless/ipw3945.asac

the commit of revision 2 is what you want.

 - Alexander