Public bug reported:

On 20.04, I'm getting repeated errors on my system when the nvdidia
drivers are installed.  This sequence of errors is logged multiple times
per second:

Oct  7 01:45:29 kangaroo systemd-udevd[499101]: nvidia: Process '/sbin/modprobe 
nvidia-drm' failed with exit code 1.
Oct  7 01:45:29 kangaroo kernel: [26851.518031] nvidia-nvlink: Nvlink Core is 
being initialized, major device number 510
Oct  7 01:45:29 kangaroo kernel: [26851.518035] NVRM: The NVIDIA probe routine 
was not called for 1 device(s).
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: This can occur when a 
driver such as:
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: nouveau, rivafb, nvidiafb 
or rivatv
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: was loaded and obtained 
ownership of the NVIDIA device(s).
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: Try unloading the 
conflicting kernel module (and/or
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: reconfigure your kernel 
without the conflicting
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: driver(s)), then try 
loading the NVIDIA kernel module
Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: again.
Oct  7 01:45:29 kangaroo kernel: [26851.518591] NVRM: No NVIDIA devices probed.
Oct  7 01:45:29 kangaroo kernel: [26851.518746] nvidia-nvlink: Unregistered the 
Nvlink Core, major device number 510

Multiple systemd services report failures:
root@kangaroo:~# systemctl list-units --state=failed
  UNIT                        LOAD   ACTIVE SUB    DESCRIPTION                  
               
● nvidia-persistenced.service loaded failed failed NVIDIA Persistence Daemon    
               
● plymouth-read-write.service loaded failed failed Tell Plymouth To Write Out 
Runtime Data     
● systemd-udev-settle.service loaded failed failed udev Wait for Complete 
Device Initialization

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xserver-xorg-video-nvidia-465 (not installed)
ProcVersionSignature: Ubuntu 5.10.0-1049.51-oem 5.10.52
Uname: Linux 5.10.0-1049-oem x86_64
ApportVersion: 2.20.11-0ubuntu27.20
Architecture: amd64
CasperMD5CheckMismatches: 
./pool/main/l/linux-hwe-5.11/linux-modules-extra-5.11.0-34-generic_5.11.0-34.36~20.04.1_amd64.deb
CasperMD5CheckResult: fail
Date: Thu Oct  7 01:43:15 2021
InstallationDate: Installed on 2021-10-06 (1 days ago)
InstallationMedia: Ubuntu-Server 20.04.3 LTS "Focal Fossa" - Release amd64 
(20210914)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: nvidia-graphics-drivers-470
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: nvidia-graphics-drivers-470 (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal uec-images

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to nvidia-graphics-drivers-470 in Ubuntu.
https://bugs.launchpad.net/bugs/1946312

Title:
  nvidia: Process '/sbin/modprobe nvidia-uvm' failed with exit code 1.

Status in nvidia-graphics-drivers-470 package in Ubuntu:
  New

Bug description:
  On 20.04, I'm getting repeated errors on my system when the nvdidia
  drivers are installed.  This sequence of errors is logged multiple
  times per second:

  Oct  7 01:45:29 kangaroo systemd-udevd[499101]: nvidia: Process 
'/sbin/modprobe nvidia-drm' failed with exit code 1.
  Oct  7 01:45:29 kangaroo kernel: [26851.518031] nvidia-nvlink: Nvlink Core is 
being initialized, major device number 510
  Oct  7 01:45:29 kangaroo kernel: [26851.518035] NVRM: The NVIDIA probe 
routine was not called for 1 device(s).
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: This can occur when a 
driver such as:
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: nouveau, rivafb, 
nvidiafb or rivatv
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: was loaded and obtained 
ownership of the NVIDIA device(s).
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: Try unloading the 
conflicting kernel module (and/or
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: reconfigure your kernel 
without the conflicting
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: driver(s)), then try 
loading the NVIDIA kernel module
  Oct  7 01:45:29 kangaroo kernel: [26851.518590] NVRM: again.
  Oct  7 01:45:29 kangaroo kernel: [26851.518591] NVRM: No NVIDIA devices 
probed.
  Oct  7 01:45:29 kangaroo kernel: [26851.518746] nvidia-nvlink: Unregistered 
the Nvlink Core, major device number 510

  Multiple systemd services report failures:
  root@kangaroo:~# systemctl list-units --state=failed
    UNIT                        LOAD   ACTIVE SUB    DESCRIPTION                
                 
  ● nvidia-persistenced.service loaded failed failed NVIDIA Persistence Daemon  
                 
  ● plymouth-read-write.service loaded failed failed Tell Plymouth To Write Out 
Runtime Data     
  ● systemd-udev-settle.service loaded failed failed udev Wait for Complete 
Device Initialization

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xserver-xorg-video-nvidia-465 (not installed)
  ProcVersionSignature: Ubuntu 5.10.0-1049.51-oem 5.10.52
  Uname: Linux 5.10.0-1049-oem x86_64
  ApportVersion: 2.20.11-0ubuntu27.20
  Architecture: amd64
  CasperMD5CheckMismatches: 
./pool/main/l/linux-hwe-5.11/linux-modules-extra-5.11.0-34-generic_5.11.0-34.36~20.04.1_amd64.deb
  CasperMD5CheckResult: fail
  Date: Thu Oct  7 01:43:15 2021
  InstallationDate: Installed on 2021-10-06 (1 days ago)
  InstallationMedia: Ubuntu-Server 20.04.3 LTS "Focal Fossa" - Release amd64 
(20210914)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  SourcePackage: nvidia-graphics-drivers-470
  UpgradeStatus: No upgrade log present (probably fresh install)

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