Public bug reported:

This is a longstanding problem, not fixed in 13.10. I can connect to my
university's wpa2 wifi. The connection typically works initially but
becomes unusable after a few seconds or a minute or two. On rare
occassions it remains up for an hour or two. The machine is a Lenovo
X220, I have the latest BIOS (1.39), and this is a fresh install of
13.10 (xubuntu). I can connect without problem to our public unsecured
network, and I can connect to my wpa2 network at home.

ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: network-manager 0.9.8.0-0ubuntu22
ProcVersionSignature: Ubuntu 3.11.0-13.20-generic 3.11.6
Uname: Linux 3.11.0-13-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.1
Architecture: amd64
Date: Wed Nov  6 10:00:23 2013
IfupdownConfig:
 # interfaces(5) file used by ifup(8) and ifdown(8)
 auto lo
 iface lo inet loopback
InstallationDate: Installed on 2013-11-02 (4 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
IpRoute:
 default via 10.104.164.1 dev wlan0  proto static 
 10.104.164.0/23 dev wlan0  proto kernel  scope link  src 10.104.164.23  metric 
9
MarkForUpload: True
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
 WimaxEnabled=true
RfKill:
 0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
SourcePackage: network-manager
UpgradeStatus: No upgrade log present (probably fresh install)
nmcli-dev:
 DEVICE     TYPE              STATE         DBUS-PATH                           
       
 wlan0      802-11-wireless   connected     
/org/freedesktop/NetworkManager/Devices/1  
 eth0       802-3-ethernet    unavailable   
/org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING         VERSION    STATE           NET-ENABLED   WIFI-HARDWARE   WIFI  
     WWAN-HARDWARE   WWAN      
 running         0.9.8.0    connected       enabled       enabled         
enabled    enabled         disabled

** Affects: network-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug saucy

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https://bugs.launchpad.net/bugs/1248607

Title:
  13.10 Intel 6205 WPA2 enterprise wifi drops

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