[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

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

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https://bugs.launchpad.net/bugs/1902749

Title:
  [amdgpu] Log in screen flashes on and off until I log in

Status in linux package in Ubuntu:
  Expired
Status in mutter package in Ubuntu:
  Expired

Bug description:
  Im on Ubuntu 20.04.1 with an AMD Ryzen 7 4800h CPU and a Nvidia GTX
  1650ti [Mobile] GPU using nvidia-driver-450

  Kernel is up to date (5.9.3)

  When my laptop boots, the log in screen flashes black and quickly back
  on until i log in. When i reach the desktop the flashing stops. Still,
  having the screen flickering on the log in screen is very annoying.

  As far as i can tell, the laptop doesn't have any further screen
  issues.

  Thanks in advance!

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  Uname: Linux 5.9.3-050903-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  450.80.02  Wed Sep 23 
01:13:39 UTC 2020
   GCC version:  gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)
  ApportVersion: 2.20.11-0ubuntu27.10
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  CurrentDmesg: Error: command ['dmesg'] failed with exit code 1: dmesg: read 
kernel buffer failed: Operation not permitted
  Date: Tue Nov  3 17:46:21 2020
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   NVIDIA Corporation TU116M [GeForce GTX 1650 Ti Mobile] [10de:2192] (rev a1) 
(prog-if 00 [VGA controller])
     Subsystem: Tongfang Hongkong Limited Device [1d05:1101]
   Advanced Micro Devices, Inc. [AMD/ATI] Renoir [1002:1636] (rev c6) (prog-if 
00 [VGA controller])
     Subsystem: Tongfang Hongkong Limited Renoir [1d05:1100]
  InstallationDate: Installed on 2020-10-27 (7 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  MachineType: Standard GK5NPFO
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.9.3-050903-generic 
root=UUID=a7144690-52e4-4688-a61a-b208b0648077 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 09/01/2020
  dmi.bios.release: 5.16
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: N.1.16PCS01
  dmi.board.asset.tag: Standard
  dmi.board.name: GK5NPFO
  dmi.board.vendor: TongFang
  dmi.board.version: Standard
  dmi.chassis.asset.tag: Standard
  dmi.chassis.type: 10
  dmi.chassis.vendor: Standard
  dmi.chassis.version: Standard
  dmi.ec.firmware.release: 1.22
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrN.1.16PCS01:bd09/01/2020:br5.16:efr1.22:svnStandard:pnGK5NPFO:pvrStandard:rvnTongFang:rnGK5NPFO:rvrStandard:cvnStandard:ct10:cvrStandard:
  dmi.product.family: Standard
  dmi.product.name: GK5NPFO
  dmi.product.sku: 0001
  dmi.product.version: Standard
  dmi.sys.vendor: Standard
  version.compiz: compiz 1:0.9.14.1+20.04.20200211-0ubuntu1
  version.libdrm2: libdrm2 2.4.101-2
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.8-0ubuntu1~20.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.nvidia-graphics-drivers: nvidia-graphics-drivers-* N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20200226-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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