When resuming from suspend and hitting this issue, the networkmanager logs show:
NetworkManager[773]: <info> [1488932351.8820] manager: wake requested (sleeping: yes enabled: yes) NetworkManager[773]: <info> [1488932351.8821] manager: waking up... NetworkManager[773]: <info> [1488932351.8823] device (wlp58s0): state change: unmanaged -> unavailable (reason 'managed') [10 20 2] NetworkManager[773]: <info> [1488932354.2067] manager: NetworkManager state is now CONNECTED_LOCAL NetworkManager[773]: <info> [1488932354.2946] device (wlp58s0): supplicant interface state: starting -> ready NetworkManager[773]: <info> [1488932354.2948] device (wlp58s0): state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] when the issue doesn't occur, we also see: NetworkManager[773]: <info> [1488955550.0568] device (wlp58s0): supplicant interface state: ready -> inactive NetworkManager[773]: <info> [1488955550.0888] policy: auto-activating connection 'testAP' but these are missing when the issue occurs! -- 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/1589401 Title: cannot view wifi networks after re-enabling wifi Status in NetworkManager: Unknown Status in network-manager package in Ubuntu: Confirmed Bug description: after re enabling wifi, up-down arrows just like wired network. cannot see any wifi ssid. To manage notifications about this bug go to: https://bugs.launchpad.net/network-manager/+bug/1589401/+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