[Bug 1869706] Re: Plymouth with Nvidia Drivers causes login loop at GDM

[Daniel van Vugt]

*** This bug is a duplicate of bug 1845801 ***
    https://bugs.launchpad.net/bugs/1845801

Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1845801, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide, or to see if there is a workaround for the bug.
Additionally, any further discussion regarding the bug should occur in
the other report. Feel free to continue to report any other bugs you may
find.


** Package changed: plymouth (Ubuntu) => gdm3 (Ubuntu)

** This bug has been marked a duplicate of bug 1845801
   [nvidia] Automatic login fails and then all subsequent logins fail. Killing gnome-session-binary fixes it, or just not using automatic login.

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https://bugs.launchpad.net/bugs/1869706

Title:
  Plymouth with Nvidia Drivers causes login loop at GDM

Status in gdm3 package in Ubuntu:
  New

Bug description:
  Summary :-
    
  Login loop on GDM after installing nvidia drivers using ubuntu-drivers autoinstall sript.

  Hardware :- Nvidia GTX 1070 with a Intel Core i7 7700 HQ. HP OMEN 2017
  Laptop.

  Steps to reproduce :-

  Simply install nvidia drivers using ubuntu-drivers autoinstall script.

  
  Expected behaviour :- seamless autologin to desktop, 

  Observed behaviour:- GDM refuses to login automatically and then any
  attempts of logging in by entering password just simply fail. Hence
  login loop.

  Only known mitigation is :- remove the splash from the
  GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" in /etc/default grub and
  update-grub before installing nvidia drivers, Or chroot into the
  system after reproducing the error and remove "splash"

  This bug has been in existence since Ubuntu 19.10, Wanted to ensure
  this was reported here for resolution.

  Happy to provide further information if required.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: plymouth 0.9.4git20200323-0ubuntu2
  ProcVersionSignature: Ubuntu 5.4.0-18.22-generic 5.4.24
  Uname: Linux 5.4.0-18-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  ApportVersion: 2.20.11-0ubuntu21
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Mar 30 16:24:42 2020
  DefaultPlymouth: /usr/share/plymouth/themes/bgrt/bgrt.plymouth
  InstallationDate: Installed on 2020-03-30 (0 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Alpha amd64 (20200329)
  MachineType: HP OMEN by HP Laptop
  ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-18-generic root=UUID=fed3e7a0-e171-4fe1-a43e-4c6e9292aacd ro quiet mitigations=off
  ProcFB: 0 EFI VGA
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-18-generic root=UUID=fed3e7a0-e171-4fe1-a43e-4c6e9292aacd ro quiet mitigations=off
  SourcePackage: plymouth
  TextPlymouth: /usr/share/plymouth/themes/ubuntu-text/ubuntu-text.plymouth
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 06/22/2018
  dmi.bios.vendor: Insyde
  dmi.bios.version: F.48
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: 8261
  dmi.board.vendor: HP
  dmi.board.version: 83.72
  dmi.chassis.type: 10
  dmi.chassis.vendor: HP
  dmi.chassis.version: Chassis Version
  dmi.modalias: dmi:bvnInsyde:bvrF.48:bd06/22/2018:svnHP:pnOMENbyHPLaptop:pvrType1ProductConfigId:rvnHP:rn8261:rvr83.72:cvnHP:ct10:cvrChassisVersion:
  dmi.product.family: 103C_5335KV HP Omen
  dmi.product.name: OMEN by HP Laptop
  dmi.product.sku: 1HQ37PA#ACJ
  dmi.product.version: Type1ProductConfigId
  dmi.sys.vendor: HP

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