OK, this is how the screen looks with latest Ubuntu 19.10. It's still a

** Attachment added: "nvidia.png"

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  [nvidia] Corrupted wallpaper after resuming from suspend or

Status in GNOME Shell:
  Fix Released
Status in mutter package in Ubuntu:
  Fix Released
Status in mutter source package in Disco:
  Won't Fix
Status in mutter source package in Eoan:
  Fix Released

Bug description:

  The Nvidia (Xorg) driver corrupts the desktop wallpaper (by design
  (1)) upon resuming from suspend. This creates a poor user experience
  and gives the impression of severe memory corruption.


  [Test Case]

  0. Set up an Nvidia-only system using the proprietary Nvidia Xorg driver.
  1. Suspend and resume the machine.
  Expect: The wallpaper still looks like it did before suspending.

  [Regression Potential]

  Low. The exact same patch is in Gnome 3.34 (Ubuntu 19.10) already and
  has been used for a couple of months without issue.

  [Original Report]


  Every other wake from sleep presents a corrupted screen with no unlock
  app.  There's a dock and system menu on a black background with pixel
  garbage.  Some personal information in the dock's large window
  thumbnails.  Bitmap garbage flashes on the screen when interacting
  with anything.  Only workaround is doing another sleep-wake cycle.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.10
  Package: xorg 1:7.7+19ubuntu8
  ProcVersionSignature: Ubuntu 4.18.0-12.13-generic 4.18.17
  Uname: Linux 4.18.0-12-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.driver.nvidia.gpus.0000.4b.00.0: Error: [Errno 21] Is a directory: 
  .proc.driver.nvidia.registry: Binary: ""
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  390.87  Tue Aug 21 12:33:05 
PDT 2018
   GCC version:  gcc version 8.2.0 (Ubuntu 8.2.0-7ubuntu1)
  ApportVersion: 2.20.10-0ubuntu13.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompizPlugins: No value set for 
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Thu Dec 20 22:19:29 2018
  DistUpgraded: 2018-12-01 23:07:50,385 ERROR got error from PostInstallScript 
./xorg_fix_proprietary.py (g-exec-error-quark: Failed to execute child process 
“./xorg_fix_proprietary.py” (No such file or directory) (8))
  DistroCodename: cosmic
  DistroVariant: ubuntu
   nvidia, 390.87, 4.18.0-11-generic, x86_64: installed
   nvidia, 390.87, 4.18.0-12-generic, x86_64: installed
   virtualbox, 5.2.18, 4.18.0-11-generic, x86_64: installed
   virtualbox, 5.2.18, 4.18.0-12-generic, x86_64: installed
  ExtraDebuggingInterest: Yes, if not too technical
   NVIDIA Corporation GP106 [GeForce GTX 1060 3GB] [10de:1c02] (rev a1) 
(prog-if 00 [VGA controller])
     Subsystem: eVga.com. Corp. GP106 [GeForce GTX 1060 3GB] [3842:6162]
  InstallationDate: Installed on 2018-10-28 (54 days ago)
  InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 
  MachineType: Gigabyte Technology Co., Ltd. Default string
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.0-12-generic 
root=UUID=a8c839e7-c579-4699-999a-748f804ff9e0 ro quiet splash vt.handoff=1
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to cosmic on 2018-12-02 (18 days ago)
  dmi.bios.date: 06/08/2017
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: F24
  dmi.board.asset.tag: Default string
  dmi.board.name: X99P-SLI-CF
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.board.version: x.x
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: Default string
  dmi.chassis.version: Default string
  dmi.product.family: Default string
  dmi.product.name: Default string
  dmi.product.sku: Default string
  dmi.product.version: Default string
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.95-1
  version.libgl1-mesa-dri: libgl1-mesa-dri 18.2.2-0ubuntu1
  version.libgl1-mesa-glx: libgl1-mesa-glx 18.2.2-0ubuntu1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.1-3ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-3

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