I can confirm the same issue in 10.04 with network manager. In a hall with a dozen or so APs on the same SSID.
log looks like this while trying to connect: Mar 3 19:42:28 keith-t61u NetworkManager: <info> Activation (wlan0/wireless): connection 'Auto MIT' requires no security. No secrets needed. Mar 3 19:42:28 keith-t61u NetworkManager: <info> Config: added 'ssid' value 'MIT' Mar 3 19:42:28 keith-t61u NetworkManager: <info> Config: added 'scan_ssid' value '1' Mar 3 19:42:28 keith-t61u NetworkManager: <info> Config: added 'key_mgmt' value 'NONE' Mar 3 19:42:28 keith-t61u NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete. Mar 3 19:42:28 keith-t61u NetworkManager: <info> (wlan0): supplicant connection state: scanning -> disconnected Mar 3 19:42:28 keith-t61u NetworkManager: <info> Config: set interface ap_scan to 1 Mar 3 19:42:30 keith-t61u NetworkManager: <info> (wlan0): supplicant connection state: disconnected -> scanning Mar 3 19:42:41 keith-t61u wpa_supplicant[988]: IWEVGENIE overflow Mar 3 19:42:43 keith-t61u NetworkManager: <info> wlan0: link timed out. Mar 3 19:42:47 keith-t61u wpa_supplicant[988]: IWEVGENIE overflow -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/111502 Title: network-manager unreliable with multiple APs -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs