Comment 0 for bug 1621899

I noticed this system failed to suspend properly and failed to resume. Closed the lid, the fans kept going. Opened the lid and lights were flashing indicating an error and had to hard reset. It had the following in the logs:

Sep 9 07:43:19 ginny gnome-session[6351]: Traceback (most recent call last):
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/dbus/connection.py", line 230, in maybe_handle_message
Sep 9 07:43:19 ginny gnome-session[6351]: self._handler(*args, **kwargs)
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/UpdateManager/Core/AlertWatcher.py", line 78, in _on_network_state_changed
Sep 9 07:43:19 ginny gnome-session[6351]: self._update_3g_state()
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/UpdateManager/Core/AlertWatcher.py", line 83, in _update_3g_state
Sep 9 07:43:19 ginny gnome-session[6351]: on_3g = nm.is_active_connection_gsm_or_cdma()
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/UpdateManager/Core/roam.py", line 172, in is_active_connection_gsm_or_cdma
Sep 9 07:43:19 ginny gnome-session[6351]: active, self.NM_DBUS_IFACE + ".Connection.Active", 'Default')
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/UpdateManager/Core/roam.py", line 162, in get_dbus_property
Sep 9 07:43:19 ginny gnome-session[6351]: property = props.Get(interface, property)
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 70, in __call__
Sep 9 07:43:19 ginny gnome-session[6351]: return self._proxy_method(*args, **keywords)
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/dbus/proxies.py", line 145, in __call__
Sep 9 07:43:19 ginny gnome-session[6351]: **keywords)
Sep 9 07:43:19 ginny gnome-session[6351]: File "/usr/lib/python3/dist-packages/dbus/connection.py", line 651, in call_blocking
Sep 9 07:43:19 ginny gnome-session[6351]: message, timeout)
Sep 9 07:43:19 ginny gnome-session[6351]: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.UnknownMethod: No such interface 'org.freedesktop.DBus.Properties' on object at path /org/freedesktop/NetworkManager/ActiveConnection/1
Sep 9 07:43:28 ginny systemd-sleep[18074]: Selected interface 'wlan0'
Sep 9 07:43:28 ginny systemd-sleep[18074]: 'SUSPEND' command timed out.
Sep 9 07:43:28 ginny systemd-sleep[18076]: /lib/systemd/system-sleep/wpasupplicant failed with error code 254.
Sep 9 07:43:28 ginny systemd-sleep[18074]: Suspending system...

This may be a dupe of https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1543788

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-36-generic 4.4.0-36.55
ProcVersionSignature: Ubuntu 4.4.0-36.55-generic 4.4.16
Uname: Linux 4.4.0-36-generic i686
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: i386
AudioDevicesInUse: Error: command ['fuser', '-v', '/dev/dsp', '/dev/snd/by-path', '/dev/snd/hwC0D1', '/dev/snd/pcmC0D0c', '/dev/snd/pcmC0D0p', '/dev/snd/controlC0', '/dev/snd/seq', '/dev/snd/timer'] failed with exit code 1:
Date: Fri Sep 9 09:45:34 2016
HibernationDevice: RESUME=UUID=400a17a1-efbe-472a-843d-52020a511b39
InstallationDate: Installed on 2011-01-05 (2073 days ago)
InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release i386 (20100429)
MachineType: LENOVO 0877
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-36-generic root=UUID=ee0834ed-203e-41cc-9b74-b509a3dc8970 ro quiet splash
PulseList: Error: command ['pacmd', 'list'] failed with exit code 1: No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-4.4.0-36-generic N/A
 linux-backports-modules-4.4.0-36-generic N/A
 linux-firmware 1.157.3
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-04-07 (155 days ago)
dmi.bios.date: 11/19/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 31CN28WW(V1.09)
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: Base Board Product Name
dmi.board.vendor: LENOVO
dmi.board.version: Base Board Version
dmi.chassis.asset.tag: Chassis Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnLENOVO:bvr31CN28WW(V1.09):bd11/19/2010:svnLENOVO:pn0877:pvrIdeaPadU460:rvnLENOVO:rnBaseBoardProductName:rvrBaseBoardVersion:cvnChassisManufacturer:ct10:cvrChassisVersion:
dmi.product.name: 0877
dmi.product.version: IdeaPad U460
dmi.sys.vendor: LENOVO