Re-asks for the Wi-Fi password every time after logon

After the upgrade to 12.04 connecting to wi-fi became slower. Although the password had been entered, ubuntu asks for password again on logon.

ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: network-manager-gnome 0.9.4.1-0ubuntu2
ProcVersionSignature: Ubuntu 3.2.0-24.37-generic 3.2.14
Uname: Linux 3.2.0-24-generic i686
NonfreeKernelModules: wl
ApportVersion: 2.0.1-0ubuntu7
Architecture: i386
CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found.
Date: Tue May 8 17:52:29 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/bin/nm-connection-editor
IfupdownConfig:
 auto lo
 iface lo inet loopback
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release i386 (20110427.1)
IpRoute:
 default via 192.168.2.1 dev eth1 proto static
 169.254.0.0/16 dev eth1 scope link metric 1000
 192.168.2.0/24 dev eth1 proto kernel scope link src 192.168.2.6 metric 2
NetworkManager.state:
 [main]
 NetworkingEnabled=true
 WirelessEnabled=true
 WWANEnabled=true
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: network-manager-applet
UpgradeStatus: Upgraded to precise on 2012-04-27 (10 days ago)
XsessionErrors:
 (nm-applet:1634): GdkPixbuf-CRITICAL **: gdk_pixbuf_scale_simple: assertion `dest_width > 0' failed
 (compiz:1614): GConf-CRITICAL **: gconf_client_add_dir: assertion `gconf_valid_key (dirname, NULL)' failed
nmcli-dev:
 DEVICE TYPE STATE DBUS-PATH
 rename2 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/1
 eth1 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/0
nmcli-nm:
 RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN
 running 0.9.4.0 connected enabled enabled enabled enabled disabled