** Summary changed:

- [modeset + nvidia + lightdm] Laptop screen blank after reboot
+ [modeset + nvidia + lightdm] MSI GP72 laptop screen blank after reboot

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https://bugs.launchpad.net/bugs/1898569

Title:
  [modeset + nvidia + lightdm] MSI GP72 laptop screen blank after reboot

Status in lightdm package in Ubuntu:
  New
Status in nvidia-graphics-drivers-450 package in Ubuntu:
  New
Status in xorg-server package in Ubuntu:
  New

Bug description:
  connected to external monitor. After a reboot the laptop screen is
  blank. Can't find a consistent way to get it back.

  ProblemType: Bug
  DistroRelease: Ubuntu 18.04
  Package: xorg 1:7.7+19ubuntu7.1
  ProcVersionSignature: Ubuntu 5.4.0-48.52~18.04.1-generic 5.4.60
  Uname: Linux 5.4.0-48-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.driver.nvidia.capabilities.gpu0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/capabilities/gpu0'
  .proc.driver.nvidia.capabilities.mig: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/capabilities/mig'
  .proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory: 
'/proc/driver/nvidia/gpus/0000:01:00.0'
  .proc.driver.nvidia.registry: Binary: ""
  .proc.driver.nvidia.suspend: suspend hibernate resume
  .proc.driver.nvidia.suspend_depth: default modeset uvm
  .proc.driver.nvidia.version:
   NVRM version: NVIDIA UNIX x86_64 Kernel Module  450.66  Wed Aug 12 19:42:48 
UTC 2020
   GCC version:  gcc version 7.5.0 (Ubuntu 7.5.0-3ubuntu1~18.04)
  ApportVersion: 2.20.9-0ubuntu7.17
  Architecture: amd64
  CompositorRunning: None
  Date: Mon Oct  5 15:50:47 2020
  DistUpgraded: Fresh install
  DistroCodename: bionic
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia, 450.66, 5.4.0-47-generic, x86_64: installed
   nvidia, 450.66, 5.4.0-48-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   Intel Corporation Device [8086:591b] (rev 04) (prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:11c9]
     Subsystem: Micro-Star International Co., Ltd. [MSI] GP107M [GeForce GTX 
1050 Mobile] [1462:11c9]
  InstallationDate: Installed on 2020-06-03 (123 days ago)
  InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 
(20200203.1)
  MachineType: Micro-Star International Co., Ltd. GP72 7RD
  ProcEnviron:
   LANG=en_GB.UTF-8
   SHELL=/bin/bash
   TERM=xterm-256color
   LANGUAGE=en_GB:en
   PATH=(custom, no user)
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-48-generic 
root=/dev/mapper/ubuntu--vg-root ro nouveau.modeset=0
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 03/23/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: E1799IMS.324
  dmi.board.asset.tag: Default string
  dmi.board.name: MS-1799
  dmi.board.vendor: Micro-Star International Co., Ltd.
  dmi.board.version: REV:1.0
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: Micro-Star International Co., Ltd.
  dmi.chassis.version: N/A
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrE1799IMS.324:bd03/23/2018:svnMicro-StarInternationalCo.,Ltd.:pnGP727RD:pvrREV1.0:rvnMicro-StarInternationalCo.,Ltd.:rnMS-1799:rvrREV1.0:cvnMicro-StarInternationalCo.,Ltd.:ct10:cvrN/A:
  dmi.product.family: GP
  dmi.product.name: GP72 7RD
  dmi.product.sku: 1799.3
  dmi.product.version: REV:1.0
  dmi.sys.vendor: Micro-Star International Co., Ltd.
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.101-2~18.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~18.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx 20.0.8-0ubuntu1~18.04.1
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  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: Mon Oct  5 15:30:42 2020

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