On Sunday 12 December 2010 02:07:02 Valmor de Almeida wrote:
> On 12/11/2010 08:35 PM, Valmor de Almeida wrote:

> To add to the above from the message logs, wlan0 deauthenticates from
> the AP by "local choice (reason=3)"


If you are getting these disconnections even with WPA/2 encryption disabled 
then this is probably related to a bug on the driver, which falls over itself 
when running with wpa_supplicant.

There are reports in google about it and a suggested fix is to disable 11n and 
5.0GHz:

http://www.jpdw.org/blog/intel-wireless-broken-ubuntu-904


Run modinfo for your driver and find the parameters that control other than 
802.11g modes and disable them by creating and adding them to a file in 
/etc/modprobe.d/ for your driver if it's not already there.

Alternatively, see if you can disable any modes other than 802.11g at your AP 
and test to find out if this resolves the problem for now.

HTH.
-- 
Regards,
Mick

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