Comment 3 for bug 584780

WORKAROUND FOUND!!!!!

http://ubuntuforums.org/showthread.php?t=1476275

<b>Quote:
Originally Posted by solobluejay View Post
if using WPA/WPA2-personal security mode had to have the encrpytion on my router set to AES only and connected no problem
</b>

I have two unrelated computers, both with Atheros card, stopped connecting after update. A simple router setting change gets it to work!

Now that the problem is identified, I hope they fix it.

2.6.32-23-generic
           *-network
                description: Wireless interface
                product: AR9285 Wireless Network Adapter (PCI-Express)
                vendor: Atheros Communications Inc.