Such freezes are more likely a kernel issue. Do you have any sign of
life from the machine when frozen, like being able to login remotely?

Please try installing 'openssh-server' and see if you can still log in
to that when it appears frozen.

** Package changed: xorg (Ubuntu) => xorg-server (Ubuntu)

** Summary changed:

- Xorg freeze
+ Xorg freeze after wakeup from hibernate

** Changed in: xorg-server (Ubuntu)
       Status: New => Incomplete

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

-- 
You received this bug notification because you are a member of Desktop
Packages, which is subscribed to xorg-server in Ubuntu.
https://bugs.launchpad.net/bugs/1777021

Title:
  Xorg freeze after wakeup from hibernate

Status in linux package in Ubuntu:
  Incomplete
Status in xorg-server package in Ubuntu:
  Incomplete

Bug description:
  Happens mostly after wakeup from hibernate

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: xorg 1:7.7+13ubuntu3
  ProcVersionSignature: Ubuntu 4.13.0-43.48~16.04.1-generic 4.13.16
  Uname: Linux 4.13.0-43-generic x86_64
  .tmp.unity_support_test.0:
   
  ApportVersion: 2.20.1-0ubuntu2.18
  Architecture: amd64
  CompizPlugins: No value set for 
`/apps/compiz-1/general/screen0/options/active_plugins'
  CompositorRunning: compiz
  CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
  CompositorUnredirectFSW: true
  CurrentDesktop: Unity
  Date: Fri Jun 15 03:21:59 2018
  DistUpgraded: Fresh install
  DistroCodename: xenial
  DistroVariant: ubuntu
  DkmsStatus: bbswitch, 0.8, 4.13.0-43-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
  GpuHangFrequency: Several times a week
  GpuHangReproducibility: Yes, I can easily reproduce it
  GpuHangStarted: Within the last week or two
  GraphicsCard:
   Intel Corporation Device [8086:5917] (rev 07) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company Device [103c:837f]
     Subsystem: Hewlett-Packard Company Device [103c:8380]
  InstallationDate: Installed on 2018-02-13 (121 days ago)
  InstallationMedia: Ubuntu 16.04.3 LTS "Xenial Xerus" - Release amd64 
(20170801)
  MachineType: HP HP ProBook 470 G5
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-43-generic.efi.signed 
root=UUID=0f2b268a-ea3c-40bf-a329-13b1447b9999 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg freeze
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 10/17/2017
  dmi.bios.vendor: HP
  dmi.bios.version: Q85 Ver. 01.01.07
  dmi.board.name: 837F
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 02.21.00
  dmi.chassis.asset.tag: 5CD7497QSD
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnHP:bvrQ85Ver.01.01.07:bd10/17/2017:svnHP:pnHPProBook470G5:pvr:rvnHP:rn837F:rvrKBCVersion02.21.00:cvnHP:ct10:cvr:
  dmi.product.family: 103C_5336AN HP ProBook
  dmi.product.name: HP ProBook 470 G5
  dmi.sys.vendor: HP
  version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1
  version.ia32-libs: ia32-libs N/A
  version.libdrm2: libdrm2 2.4.83-1~16.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 17.2.8-0ubuntu0~16.04.1
  version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
  version.libgl1-mesa-glx: libgl1-mesa-glx 17.2.8-0ubuntu0~16.04.1
  version.xserver-xorg-core: xserver-xorg-core N/A
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A
  version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
  xserver.bootTime: Fri Jun 15 03:21:12 2018
  xserver.configfile: default
  xserver.errors:
   Failed to load module "nvidia" (module does not exist, 0)
   Failed to load module "nvidia" (module does not exist, 0)
   NOUVEAU(G0): [XvMC] Failed to initialize extension.
  xserver.logfile: /var/log/Xorg.0.log
  xserver.version: 2:1.19.5-0ubuntu2~16.04.1
  xserver.video_driver: modeset

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