Seen on 16.04 with rtl8723be wifi driver, network-manager 1.2.0-0ubuntu0.16.04.2. Happens no suspend/resume AND flight mode toggle. Worked around the suspend problem by making systemd restart network-manager service after suspend, which restores network connections.
Jul 13 23:45:39 lenovo NetworkManager[2544]: <info> [1468442739.4325] manager: WiFi now enabled by radio killswitch Jul 13 23:45:39 lenovo kernel: [ 406.193741] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready Jul 13 23:45:39 lenovo wpa_supplicant[1101]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (none) none Jul 13 23:45:39 lenovo wpa_supplicant[1101]: dbus: Failed to construct signal Jul 13 23:45:39 lenovo NetworkManager[2544]: <info> [1468442739.9209] device (wlp4s0): supplicant interface state: starting -> ready Jul 13 23:45:39 lenovo NetworkManager[2544]: <info> [1468442739.9210] device (wlp4s0): state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] Jul 13 23:45:39 lenovo kernel: [ 406.242502] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready Jul 13 23:45:47 lenovo wpa_supplicant[1101]: rfkill: WLAN soft blocked Jul 13 23:45:47 lenovo wpa_supplicant[1101]: rfkill: WLAN soft blocked Jul 13 23:45:47 lenovo NetworkManager[2544]: <info> [1468442747.0170] manager: WiFi now disabled by radio killswitch Jul 13 23:45:47 lenovo NetworkManager[2544]: <info> [1468442747.0173] device (wlp4s0): state change: disconnected -> unavailable (reason 'none') [30 20 0] Jul 13 23:45:47 lenovo systemd[1]: Starting Load/Save RF Kill Switch Status... Jul 13 23:45:47 lenovo systemd[1]: Started Load/Save RF Kill Switch Status. Jul 13 23:45:47 lenovo wpa_supplicant[1101]: nl80211: deinit ifname=wlp4s0 disabled_11b_rates=0 Jul 13 23:45:51 lenovo NetworkManager[2544]: <info> [1468442751.1801] manager: WiFi now enabled by radio killswitch Jul 13 23:45:51 lenovo kernel: [ 417.961786] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready Jul 13 23:45:51 lenovo wpa_supplicant[1101]: dbus: wpa_dbus_get_object_properties: failed to get object properties: (none) none Jul 13 23:45:51 lenovo wpa_supplicant[1101]: dbus: Failed to construct signal Jul 13 23:45:51 lenovo NetworkManager[2544]: <info> [1468442751.6681] device (wlp4s0): supplicant interface state: starting -> ready Jul 13 23:45:51 lenovo kernel: [ 418.008598] IPv6: ADDRCONF(NETDEV_UP): wlp4s0: link is not ready Jul 13 23:45:51 lenovo NetworkManager[2544]: <info> [1468442751.6683] device (wlp4s0): state change: unavailable -> disconnected (reason 'supplicant-available') [20 30 42] Jul 13 23:45:51 lenovo wpa_supplicant[1101]: rfkill: WLAN soft blocked -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1439771 Title: wpa_supplicant[874]: dbus: Failed to construct signal after 'suspend' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager/+bug/1439771/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
