can not connect access point

[Michael Renner]

On Saturday 27 August 2011, Waleed Hamra wrote:
> On 08/25/2011 08:05 PM, Michael Renner wrote:

[...]

> this problem is one of those elusive nasty ones. there's no one reason
> why it would happen.
> as you suggested, yes, DHCP can very well be the problem sometimes, if
> the network fails to receive an IP address from the access point, NM
> disconnects it. you can try setting up manual IPs, and connect. if it
> stays connected, then try out the network. many times, DHCP wouldnt be
> working not due to a configuration error, but rather because the
> interface isnt receiving packets due to a driver problem.
> 
> some people report that wpa_supplicant is the culprit, i suggest you try
> this command in a terminal:
> 
> ps -Af | grep wpa_supplicant

well, I tried many things: applying the IP by hand, setup an ad hoc network 
with an other notebook: no luck. I tried to setup the ad hoc network with the 
build in WLAN interface (801.1b only): no luck.

> and see if more than one instance of this program are running. if just
> one, keep it, if more, kill them all, then start the program again by:

I tested my USB-Stick with the other notebook: this works. It seems to me that 
his is maybe, or not, a probem with the installation.
 
> sudo /sbin/wpa_supplicant -u -s
> 
> let's just test these 2 theories for now, and we'll see what happens :)

After all I decided to setup the machine from scratch (a simple task due the 
fact that I can recover my backup after that). Than we will see.

CU
-- 
|Michael Renner      E-mail: michael.renner at gmx.de  |
|81541 Munich        skype: michael.renner.gmx.de   |
|Germany             Don't drink as root!      ESC:wq