minor WPA problem on a Thinkpad R40

[Brooks Davis]

On Tue, Jul 05, 2005 at 02:14:49PM -0700, Sam Leffler wrote:
> Brooks Davis wrote:
> >On Fri, Jul 01, 2005 at 04:48:26PM -0700, Bakul Shah wrote:
> >
> >>After suspend/resume the old wpa_supplicant does not die
> >>and ath0 does not come up.  Manually running
> >>   /etc/rc.d/netif stop ath0
> >>or
> >>   /etc/rc.d/netif start ath0
> >>does the right thing.  I am running yesterday's kernel.
> >>rc.conf contains
> >>
> >>   ifconfig_ath0="WPA DHCP"
> >>
> >>Not sure if I am doing something wrong or if this area still
> >>needs work.  As I understand it, wpa_supplicant should die
> >>when an interface goes down just like dhclient should.
> >
> >
> >Hmm, this isn't something I've been able to test.  One shot in the dark
> >would be adding -w to the wpa_supplicant command line in
> >/etc/rc.d/wpa_supplicant.  I know wpa_supplicant deals badly with
> >yanking and reinserting a nic under normal circumstances so I'm not too
> >suprised it's having trouble with suspend/resume.
> >
> >
> >>Another curious behavior is that after a manual
> >>   ifconfig ath0 down
> >>the interface does not stay down.
> >
> >
> >I suspect wpa_supplicant is bringing it back up.  I'm not sure what the
> >answer is there.
> 
> IMO wpa_supplicant should exit when the interface goes down/away but it 
> does not.  I sent mail to Jouni about this but he hasn't responded yet. 
> I was going to check if there was a way to make it work this way.  Not 
> sure why it works this way except to avoid recalculating various crypto 
> state or perhaps to avoid linux hotplug issues.

I've we're going to do that, I think we may want either a new target in
/etc/rc.d/netif or a new /etc/rc.d/linkstate script.  That's probably
the right way to go though.

-- Brooks

-- 
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