this snippet looks most interesting in teh syslog ...
May 21 08:20:23 ubuntu-phablet wpa_supplicant[2458]: wlan0: Trying to associate with SSID 'darline' May 21 08:20:23 ubuntu-phablet kernel: [ 1247.147016] wlan: [1284:E :PE ] limProcessAuthFrame: 1302: received Auth frame from peer with failure code 13 90:84:0d:f3:74:15 May 21 08:20:23 ubuntu-phablet kernel: [ 1247.147230] wlan: [1284:E :PE ] limProcessMlmAuthCnf: 622: Auth Failure occurred. May 21 08:20:23 ubuntu-phablet kernel: [ 1247.147352] wlan: [1284:E :PE ] limDeactivateAndChangeTimer: 1438: Deactivated probe after hb timer May 21 08:20:23 ubuntu-phablet NetworkManager[1262]: <info> (wlan0): supplicant interface state: disconnected -> associating May 21 08:20:23 ubuntu-phablet wpa_supplicant[2458]: wlan0: CTRL-EVENT-ASSOC-REJECT bssid=90:84:0d:f3:74:15 status_code=1 May 21 08:20:23 ubuntu-phablet kernel: [ 1247.157637] wlan: connection failed with 90:84:0d:f3:74:15 reason:1 and Status:9 May 21 08:20:23 ubuntu-phablet NetworkManager[1262]: <info> (wlan0): supplicant interface state: associating -> disconnected ** Changed in: network-manager (Ubuntu) Assignee: (unassigned) => Mathieu Trudel-Lapierre (mathieu-tl) -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager in Ubuntu. https://bugs.launchpad.net/bugs/1321650 Title: wifi not connecting network on Nexus 4 image #28 Status in “network-manager” package in Ubuntu: New Bug description: Since some images, none of both of my Nexus 4 can't connect to Internet over the wifi. As it seems I'm the only one to have this issue, it may be linked to the network I'm using. It's a shared network from an iMac, using a WEP key at 128bits. It used to work for a long (and I'm using it right now from my Ubuntu 14.04 laptop). Attached is the dmesg of one of the devices. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1321650/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp