I have the exact same issue. Both in KDE and in unity if I stop the service "network-manager" and connect to the access point with iwconfig I can connect without any problem.
Posting the workaraound for people looking for one: sudo service network-manager stop sudo iwconfig wlan0 essid 'name of your network' if you have wep enabled: sudo iwconfig wlan0 key 'your WEP key' sudo dhclient ** Package changed: ubuntu => network-manager (Ubuntu) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1037865 Title: wireless shows connected but is not . Status in “network-manager” package in Ubuntu: Confirmed Bug description: ubuntu quantal with the 3.5.0-x kernel . network-manager shows my wireless connected when it is not , disconnects and reconnects randomly . My wireless is realtek rtl8185 which has been supported by a built in kernel module for a long time . network and other problems have persisted all the way through the 3.5 series kernels . wireless does work on the daily live cds but not consistantly on the installs from the same . To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1037865/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp
