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Jonathan E. Brickman wrote:
> Attached.
> 
It looks like the newer ath5 driver is being used.

Try this:
Temporarily change your AP to not require security (for testing only,
you do not want this long term).

sudo /etc/init.d/NetworkManger stop
sudo ifdown wlan0
sudo ip link set wlan0 up
sudo iwconfig wlan0 essid <youressid>

Now we need to check to see if the wifi device has actually connected to
the AP.
sudo iwconfig

You should see something like this:

wlan0     IEEE 802.11abgn  ESSID:"myessid"
Mode:Managed  Frequency:5.18 GHz  Access Point: 00:0B:6B:86:EB:AF
Bit Rate=54 Mb/s   Tx-Power=14 dBm
Retry min limit:7   RTS thr:off   Fragment thr=2352 B
Power Management:off
Link Quality=100/100  Signal level:-50 dBm  Noise level=-92 dBm
Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
Tx excessive retries:0  Invalid misc:0   Missed beacon:0

Of course your Frequency and link quality will differ (in this example,
my machine is connected to an 802.11a AP in the 5Ghz spectrum, and is on
the desk next to the AP).

If the Mac address after the "Access Point" matches your AP's wireless
interface, we need to configure IPv4.

Automatic method:
Check to see if a dhcp client is running:
ps axf | grep dhclient

If you do not see one, then start one:
sudo dhclient wlan0

Manual method:
sudo ip addr add 192.168.0.20/24 dev wlan0
sudo ip route add default via 192.168.0.1

You will also need to configure a DNS server in /etc/resolv.conf

Failing the above, we can disable the new ath5k driver to see if there
is some weirdness with the newer driver:

sudo echo "ath5k" >> /etc/modprobe.d/blacklist

Reboot and report.  To reverse these changes simply remove ath5k from
the end of the /etc/modprobe.d/blacklist file.

I have far more experience with the older ath_pci driver as I build my
own APs (for fun and for profit) and the ath5k driver has issues acting
as an AP.


Hope this helps,
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