[ath9k-devel] Can't associate with a particular AP

[Julien Valroff <julien@kirya.net>]

Le jeudi 27 oct. 2011 ? 22:27:58 (+0200 CEST), Jouni Malinen a ?crit?:
> On Thu, Oct 27, 2011 at 09:13:53PM +0200, Julien Valroff wrote:
> > Le jeudi 27 oct. 2011 ? 20:36:06 (+0200 CEST), Julien Valroff a ?crit?:
> > > Le lundi 24 oct. 2011 ? 21:55:01 (+0200 CEST), Jouni Malinen a ?crit?:
> > > > ifconfig wlan0 down
> > > > iw wlan0 set type monitor
> > > > iw wlan0 set channel 6 HT20
> > > > ifconfig wlan0 up
> > > > tcpdump -i wlan0 -s 2500 -w /tmp/capture.dump
> > > 
> > > I cannot get anything to be captured - I have tried from 2 laptops using
> > > different drivers with no success. I even manage to stale the whole laptop
> > > after bringing the interface up the second time when in monitoring mode.
> 
> Does any of those commands fail?

No, everything seems ok.

> Which drivers did you use in these tests?

brcmsmac and b43

> > OK, I have finally managed to capture something. I had to add a monitor
> > interface: iw dev wlan0 interface add mon0 type monitor 
> > 
> > I attach both failure and success dumps, in the hope someone can detect
> > something.
> 
> Unfortunately, these capture files do not seem to include all frames.
> They include mainly information that the sniffer device would have
> received normally if it were in station mode. As such, I don't think it
> was set to proper monitor mode.

mon0 which was captured was in monitoring mode, but not wlan0, which
might explain this problem. But when setting wlan0 in monitoring mode, I
cannot get anything captured.

> Which driver was used in this case?

brcmsmac

Thanks again for your time.

Cheers,
Julien

-- 
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