It appears a known issue in the iwl3945 driver, committed patch 3/13/2008 in iwlwifi development. patch seems potential add candidate for hardy. It does work in my case with Hidden SSID.
http://git.kernel.org/?p=linux/kernel/git/rchatre/iwlwifi-2.6.git;a=commit;h=6e6869e8aae7a6af8792e6f7b2ae2622ab201872 ---cut Indirect scanning ('iwlist scan') should report information about hidden APs. When an AP is hidden it does not respond to active scanning, we thus have to use passive scanning to locate these APs. This fixes: http://bughost.org/bugzilla/show_bug.cgi?id=1499 ---cut -- [iwl3945] network manager not able to associate to hidden SSID (scan_capa = 0x0) https://bugs.launchpad.net/bugs/200950 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs