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Re: Problem with wpa_supplicant on bcm43xx-mac80211

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On Mon, Apr 09, 2007 at 04:52:09PM -0500, Larry Finger wrote:

> logger: WPA: Sending EAPOL-Key 2/4
> 
> At this point, the two cases diverge. The bad example has a 4 second delay, 
> then I get the following:
> 
> kernel: eth1: RX deauthentication from 00:14:bf:85:49:fa (reason=15)
> kernel: eth1: deauthenticated
> logger: WPA: TX EAPOL-Key - hexdump(len=123): 01 03 00 77 fe 01 09 00 20 00 

> Do you know why the supplicant waits the 4 seconds between the "sending key 
> 2/4" message and the actual transmission of it? Do you think that is 
> important, or is it a false lead? I would appreciate any debugging leads 
> you might offer.

This looks very odd.. There is not really any blocking operations in
wpa_supplicant between the places that print "WPA: Sending EAPOL-Key
2/4" and "WPA: TX EAPOL-Key"... How do you generate these syslog
messages? Could there be something buffering the TX EAPOL-Key message
and the delay would actually happen only after that? This could be
caused by send() getting blocked by something and the receiption of
deauthentication triggering unblocking somehow..

-- 
Jouni Malinen                                            PGP id EFC895FA
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