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https://bugs.launchpad.net/bugs/1845801

Title:
  [nvidia] Automatic login fails and then all subsequent logins fail.
  Killing gnome-session-binary fixes it, or just not using automatic
  login.

Status in OEM Priority Project:
  Fix Committed
Status in gdm3 package in Ubuntu:
  Fix Released
Status in gnome-session package in Ubuntu:
  Invalid
Status in grub2 package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-390 package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-430 package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-435 package in Ubuntu:
  Invalid
Status in nvidia-graphics-drivers-440 package in Ubuntu:
  Invalid
Status in gdm3 source package in Focal:
  Fix Released
Status in gnome-session source package in Focal:
  Invalid
Status in grub2 source package in Focal:
  Invalid
Status in nvidia-graphics-drivers-390 source package in Focal:
  Invalid
Status in nvidia-graphics-drivers-430 source package in Focal:
  Invalid
Status in nvidia-graphics-drivers-435 source package in Focal:
  Invalid
Status in nvidia-graphics-drivers-440 source package in Focal:
  Invalid

Bug description:
  [ Impact ]
  In some platforms with specific Nvidia cards (with nvidia-driver-440), enable 
auto-login (either during installation or after installation) will fail (either 
stuck in gdm login screen and not able to login even typing correct password).

  [ Test Case ]
  Here are two scenario of auto login with groovy (20.10) daily build[1]:

  1) Checked "Install third-party software" (e.g. nvidia-driver) with
  enabling "Login automatically" during installation.

  2) Install groovy daily build with default options, after installation 
completed:
  2.1) Install nvidia-driver-440 (450.66-0ubuntu1) from ubuntu-archive.
  2.2) Enable "Login automatically" from system settings.

  Then reboot.

  [Expected result]
  System will boot into desktop environment without the login page.

  [Actual result]
  System boots to login page, and can't login to desktop environment with the 
correct password.

  [ Regression potential ]
  Medium, the patch comes from upstream[2] to use /dev/tty1 (instead of tty0) 
to prevent the auto-login user gets tty1. I did verified gdm3 from my PPA[3] 
and it works good. It passed the 30 times reboot stress test by using 
stress/reboot_30 from checkbox.

  [1] sha256sum: 
bf4359114660504ad3f6fbde5e0c3edbc67a4101e4480f576d3cbd4f59acf822
  [2] https://gitlab.gnome.org/GNOME/gdm/-/commit/f843233ad4 
https://gitlab.gnome.org/GNOME/gdm/-/commit/690b3c01
  [3] https://launchpad.net/~os369510/+archive/ubuntu/gdm3-1845801

  ---

  I just updated to the Ubuntu 19.10 beta. After boot, I'm shown the GDM
  login screen (which I shouldn't; I have auto login enabled), and
  logging in just takes me back to the same user selection screen even
  though the password is correct.

  If I switch to a TTY and run `sudo pkill gnome-session-binary`,
  logging in through GDM starts working again.

  I should add that the do-release-upgrade was rocky; I did it in a
  terminal from within gnome, went away for a while, and when I
  returned, I just saw an Ubuntu 19.10 in a TTY. I was able to do `sudo
  dpkg --configure -a` and complete the upgrade, but I don't know if
  something's still messed up due to that.

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: xorg 1:7.7+19ubuntu12
  ProcVersionSignature: Ubuntu 5.3.0-13.14-generic 5.3.0
  Uname: Linux 5.3.0-13-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .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  435.21  Sun Aug 25 08:17:57 
CDT 2019
   GCC version:  gcc version 9.2.1 20190909 (Ubuntu 9.2.1-8ubuntu1)
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Sep 28 19:55:42 2019
  DistUpgraded: 2019-09-28 18:35:15,142 INFO cache.commit()
  DistroCodename: eoan
  DistroVariant: ubuntu
  DkmsStatus: nvidia, 435.21, 5.3.0-13-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   NVIDIA Corporation GP102 [GeForce GTX 1080 Ti] [10de:1b06] (rev a1) (prog-if 
00 [VGA controller])
     Subsystem: ASUSTeK Computer Inc. GP102 [GeForce GTX 1080 Ti] [1043:85e4]
  InstallationDate: Installed on 2019-09-14 (13 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  MachineType: MSI MS-7A67
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.3.0-13-generic 
root=UUID=04974c80-e732-49b6-8148-c3dce7c02a25 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  Title: Xorg crash
  UpgradeStatus: Upgraded to eoan on 2019-09-28 (0 days ago)
  dmi.bios.date: 01/25/2018
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 2.60
  dmi.board.asset.tag: Default string
  dmi.board.name: H270I GAMING PRO AC (MS-7A67)
  dmi.board.vendor: MSI
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: Default string
  dmi.chassis.type: 3
  dmi.chassis.vendor: MSI
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvr2.60:bd01/25/2018:svnMSI:pnMS-7A67:pvr1.0:rvnMSI:rnH270IGAMINGPROAC(MS-7A67):rvr1.0:cvnMSI:ct3:cvr1.0:
  dmi.product.family: Default string
  dmi.product.name: MS-7A67
  dmi.product.sku: Default string
  dmi.product.version: 1.0
  dmi.sys.vendor: MSI
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.99-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 19.1.6-1ubuntu1
  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 2:1.20.5+git20190820-0ubuntu3
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.0.1-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20190815-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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