Comment 48 for bug 292054

I have a similar but slightly different issue. wpa_supplicant associates fine, but network-manager times out waiting for dhclient to finish. If I run dhclient manually (from /etc/network/interfaces) then everything is fine.

NetworkManager: <info> Activation (wlan0) starting connection 'Auto HWAP0105'
NetworkManager: <info> (wlan0): device state change: 3 -> 4
NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) scheduled...
NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) started...
NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) scheduled...
NetworkManager: <info> Activation (wlan0) Stage 1 of 5 (Device Prepare) complete.
NetworkManager: <info> (wlan0): supplicant connection state change: 7 -> 0
NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) starting...
NetworkManager: <info> (wlan0): device state change: 4 -> 5
NetworkManager: <info> Activation (wlan0/wireless): connection 'Auto HWAP0105' has security, and secrets exist. No new secrets needed.
NetworkManager: <info> Config: added 'ssid' value 'HWAP0105'
NetworkManager: <info> Config: added 'scan_ssid' value '1'
NetworkManager: <info> Config: added 'key_mgmt' value 'WPA-PSK'
NetworkManager: <info> Config: added 'psk' value '<omitted>'
NetworkManager: <info> Config: added 'proto' value 'WPA RSN'
NetworkManager: <info> Config: added 'pairwise' value 'TKIP CCMP'
NetworkManager: <info> Config: added 'group' value 'WEP40 WEP104 TKIP CCMP'
NetworkManager: <info> Activation (wlan0) Stage 2 of 5 (Device Configure) complete.
NetworkManager: <info> Config: set interface ap_scan to 1
NetworkManager: <info> (wlan0): supplicant connection state change: 0 -> 2
NetworkManager: <info> (wlan0): supplicant connection state change: 2 -> 3
NetworkManager: <info> (wlan0): supplicant connection state change: 3 -> 0
NetworkManager: <info> (wlan0): supplicant connection state change: 0 -> 4
NetworkManager: <info> (wlan0): supplicant connection state change: 4 -> 5
NetworkManager: <info> (wlan0): supplicant connection state change: 5 -> 6
NetworkManager: <info> (wlan0): supplicant connection state change: 6 -> 7
NetworkManager: <info> Activation (wlan0/wireless) Stage 2 of 5 (Device Configure) successful. Connected to wireless network 'HWAP0105'.
NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) scheduled.
NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) started...
NetworkManager: <info> (wlan0): device state change: 5 -> 7
NetworkManager: <info> Activation (wlan0) Beginning DHCP transaction.
NetworkManager: <info> dhclient started with pid 3856
NetworkManager: <info> Activation (wlan0) Stage 3 of 5 (IP Configure Start) complete.
NetworkManager: <info> DHCP: device wlan0 state changed normal exit -> preinit
dhclient: Listening on LPF/wlan0/00:19:d2:ce:c1:4f
dhclient: Sending on LPF/wlan0/00:19:d2:ce:c1:4f
dhclient: Sending on Socket/fallback
dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 8
dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 13
dhclient: DHCPDISCOVER on wlan0 to 255.255.255.255 port 67 interval 15
NetworkManager: <info> Device 'wlan0' DHCP transaction took too long (>45s), stopping it.
NetworkManager: <info> wlan0: canceled DHCP transaction, dhcp client pid 3856
NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP Configure Timeout) scheduled...
NetworkManager: <info> Activation (wlan0) Stage 4 of 5 (IP Configure Timeout) started...
NetworkManager: <info> (wlan0): device state change: 7 -> 9
NetworkManager: <info> Activation (wlan0) failed for access point (HWAP0105)
NetworkManager: <info> Marking connection 'Auto HWAP0105' invalid.
NetworkManager: <info> Activation (wlan0) failed.