I have a similar problem, the only difference being that it sometimes work, sometimes does not.
/etc/network/interfaces 8<-------------------- auto lo iface lo inet loopback address 127.0.0.1 netmask 255.0.0.0 auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet dhcp auto eth2 iface eth2 inet dhcp auto ath0 iface ath0 inet dhcp auto wlan0 iface wlan0 inet dhcp 8<-------------------- iwconfig 8<-------------------- lo no wireless extensions. eth1 IEEE 802.11g ESSID:"tango" Mode:Managed Frequency:2.437 GHz Access Point: 00:0D:88:EC:0A:1C Bit Rate:54 Mb/s Tx-Power=20 dBm Sensitivity=8/0 Retry limit:7 RTS thr:off Fragment thr:off Power Management:off Link Quality=90/100 Signal level=-39 dBm Noise level=-91 dBm Rx invalid nwid:0 Rx invalid crypt:2 Rx invalid frag:0 Tx excessive retries:0 Invalid misc:0 Missed beacon:0 eth0 no wireless extensions. 8<-------------------- nm-tool 8<-------------------- NetworkManager Tool State: disconnected - Device: eth0 ---------------------------------------------------------------- NM Path: /org/freedesktop/NetworkManager/Devices/eth0 Type: Wired Driver: tg3 Active: no HW Address: 00:14:22:E0:C3:B3 Capabilities: Supported: yes Carrier Detect: yes Speed: 65535 Mb/s Wired Settings Hardware Link: no 8<-------------------- This output was gathered while knetworkmanager shows no wireless network and my eth1 card had to be manually configured. I have also experienced a few times knetworkmanager showing no network and saying "disconnected" in the system tray, but the card being automatically configured nonetheless (after resume from standby, where I resumed at a location that had different networks from the place I was when I suspended). -- Network-manager doesn't show any wireless network on ipw2200 https://launchpad.net/bugs/83637 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs