Public bug reported:

Fresh/clean install of 18.04 resulted in hibernation working (after it
being broken on an upgrade install). Now after rebooting after recent
package upgrades (last 4-5 days) resuming from suspend/hibernate fails.
Have to force hard reboot

Last message in syslog is: PM: suspend entry (deep)

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-22-generic 4.15.0-22.24
ProcVersionSignature: Ubuntu 4.15.0-20.21-generic 4.15.17
Uname: Linux 4.15.0-20-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC1:  petter     1475 F.... pulseaudio
 /dev/snd/controlC0:  petter     1475 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Sun Jun 10 22:34:32 2018
HibernationDevice: RESUME=UUID=8f436028-c350-445e-85dc-115d58d47796
InstallationDate: Installed on 2018-05-18 (23 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IwConfig:
 lo        no wireless extensions.
 
 enp5s0    no wireless extensions.
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=sv_SE.UTF-8
 SHELL=/bin/bash
ProcFB: 0 VESA VGA
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-20-generic 
root=UUID=bc80c3a6-55ef-4636-ac7a-d7bd837b6320 ro quiet splash vt.handoff=1
RelatedPackageVersions:
 linux-restricted-modules-4.15.0-20-generic N/A
 linux-backports-modules-4.15.0-20-generic  N/A
 linux-firmware                             1.173.1
RfKill:
 
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/14/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F22
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Z77-D3H
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrF22:bd11/14/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnZ77-D3H:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug bionic

** Attachment added: "lspci-vnvn.log"
   
https://bugs.launchpad.net/bugs/1776108/+attachment/5151020/+files/lspci-vnvn.log

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https://bugs.launchpad.net/bugs/1776108

Title:
  Resume after hibernate/suspend fails

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