I have the same problem, while suspend works with kernel 4.4.0-10 it stopped working with kernel 4.4.0-12 (don't know about *-11).
Below are the last log messages before machine suspended: Mär 14 20:54:23 moebius wpa_supplicant[888]: p2p-dev-wlo1: CTRL-EVENT-REGDOM-CHANGE init=CORE type=WORLD Mär 14 20:54:23 moebius dbus[699]: [system] Rejected send message, 10 matched rules; type="method_return", sender=":1.92" (uid=0 pid=1533 comm="/usr/sbin/dnsmasq --no-resolv --keep-in-foreground") i Mär 14 20:54:23 moebius NetworkManager[623]: <info> NetworkManager state is now ASLEEP Mär 14 20:54:23 moebius whoopsie[649]: [20:54:23] Cannot reach: https://daisy.ubuntu.com Mär 14 20:54:23 moebius wpa_supplicant[888]: nl80211: deinit ifname=p2p-dev-wlo1 disabled_11b_rates=0 Mär 14 20:54:23 moebius NetworkManager[623]: <warn> Failed to GDBus.Error:fi.w1.wpa_supplicant1.NotConnected: This interface is not connected: disconnect. Mär 14 20:54:23 moebius dbus[699]: [system] Activating via systemd: service name='org.freedesktop.nm_dispatcher' unit='dbus-org.freedesktop.nm-dispatcher.service' Mär 14 20:54:23 moebius systemd[1]: Reached target Sleep. Mär 14 20:54:23 moebius systemd[1]: Starting Suspend... Mär 14 20:54:23 moebius systemd[1]: Starting Network Manager Script Dispatcher Service... Mär 14 20:54:23 moebius dbus[699]: [system] Successfully activated service 'org.freedesktop.nm_dispatcher' Mär 14 20:54:23 moebius systemd[1]: Started Network Manager Script Dispatcher Service. Mär 14 20:54:23 moebius nm-dispatcher[1910]: Dispatching action 'down' for wlo1 Mär 14 20:54:23 moebius wpa_supplicant[888]: nl80211: deinit ifname=wlo1 disabled_11b_rates=0 Mär 14 20:54:25 moebius bluetoothd[655]: Endpoint unregistered: sender=:1.56 path=/MediaEndpoint/A2DPSource Mär 14 20:54:25 moebius bluetoothd[655]: Endpoint unregistered: sender=:1.56 path=/MediaEndpoint/A2DPSink Mär 14 20:54:27 moebius org.gnome.zeitgeist.Engine[1243]: ** (zeitgeist-datahub:1958): WARNING **: zeitgeist-datahub.vala:229: Unable to get name "org.gnome.zeitgeist.datahub" on the bus! Mär 14 20:54:27 moebius gnome-session[1359]: ** (zeitgeist-datahub:1936): WARNING **: kde-recent-document-provider.vala:174: Couldn't find actor for 'okular'. Mär 14 20:54:33 moebius systemd-sleep[1908]: Selected interface 'wlo1' Mär 14 20:54:33 moebius systemd-sleep[1908]: 'SUSPEND' command timed out. Mär 14 20:54:33 moebius systemd-sleep[1912]: /lib/systemd/system-sleep/wpasupplicant failed with error code 254. Mär 14 20:54:33 moebius systemd-sleep[1908]: Suspending system... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1543788 Title: Fails to resume from suspend To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1543788/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
