** Tags added: nvidia

** Package changed: xorg (Ubuntu) => mutter (Ubuntu)

** Also affects: gnome-shell (Ubuntu)
   Importance: Undecided
       Status: New

** Tags added: multimonitor

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https://bugs.launchpad.net/bugs/1991724

Title:
  system monitor fails with Nvideo multi-monitor

Status in gnome-shell package in Ubuntu:
  New
Status in mutter package in Ubuntu:
  New

Bug description:
  I have four monitors attached to my Nvideo card, and when I try to run
  the system monitor it does not come up. The icon in the left panel
  shows that one instance is running, but there is no way to bring up
  the actual window (a picture of the activated window appears in the
  icon's "All Windows" section, but it is only a picture).

  If I unplug all monitors except my main monitor, system monitor works
  without problems, showing that the problem is caused by some
  incompatibility between Nvideo multi-monitor support and Ubuntu
  desktop support.

  I'm using Ubuntu 22.04.1 LTS, with whatever version of System Monitor and 
Xorg comes with this.
  Video card is GeForce RTX 2080 SUPER, installed in Lenovo workstation running 
Windows 11.

  What I expected to happen is the System Manager window is displayed.

  What happened instead is only the icon is displayed.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: xorg 1:7.7+23ubuntu2
  ProcVersionSignature: Ubuntu 5.15.0-48.54-generic 5.15.53
  Uname: Linux 5.15.0-48-generic x86_64
  NonfreeKernelModules: nvidia_modeset nvidia
  .proc.driver.nvidia.capabilities.gpu0: Error: path was not a regular file.
  .proc.driver.nvidia.capabilities.mig: Error: path was not a regular file.
  .proc.driver.nvidia.gpus.0000.01.00.0: Error: path was not a regular file.
  .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  470.141.03  Thu Jun 30 
18:45:31 UTC 2022
   GCC version:  gcc version 11.2.0 (Ubuntu 11.2.0-19ubuntu1)
  ApportVersion: 2.20.11-0ubuntu82.1
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: unknown
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Oct  4 22:36:49 2022
  DistUpgraded: 2022-09-03 17:37:53,959 DEBUG icon theme changed, re-reading
  DistroCodename: jammy
  DistroVariant: ubuntu
  DkmsStatus:
   nvidia/470.141.03, 5.15.0-47-generic, x86_64: installed
   nvidia/470.141.03, 5.15.0-48-generic, x86_64: installed
  ExtraDebuggingInterest: Yes
  GraphicsCard:
   NVIDIA Corporation TU104 [GeForce RTX 2080 SUPER] [10de:1e81] (rev a1) 
(prog-if 00 [VGA controller])
     Subsystem: Micro-Star International Co., Ltd. [MSI] TU104 [GeForce RTX 
2080 SUPER] [1462:c72c]
  InstallationDate: Installed on 2021-02-27 (584 days ago)
  InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 
(20210209.1)
  MachineType: LENOVO 90Q8000HUS
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_US.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-48-generic 
root=UUID=76867cf7-9235-4502-89e5-2731189d3e21 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: Upgraded to jammy on 2022-09-03 (31 days ago)
  dmi.bios.date: 08/11/2021
  dmi.bios.release: 1.28
  dmi.bios.vendor: LENOVO
  dmi.bios.version: O4LKT1CA
  dmi.board.name: 3715
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0T08861 WIN 3305329971172
  dmi.chassis.type: 3
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.13
  dmi.modalias: 
dmi:bvnLENOVO:bvrO4LKT1CA:bd08/11/2021:br1.28:efr1.13:svnLENOVO:pn90Q8000HUS:pvrLegionT734IMZ5:rvnLENOVO:rn3715:rvrSDK0T08861WIN3305329971172:cvnLENOVO:ct3:cvrNone:skuLENOVO_MT_90Q8_BU_Lenovo_FM_LegionT734IMZ5:
  dmi.product.family: Legion T7 34IMZ5
  dmi.product.name: 90Q8000HUS
  dmi.product.sku: LENOVO_MT_90Q8_BU_Lenovo_FM_Legion T7 34IMZ5
  dmi.product.version: Legion T7 34IMZ5
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.110-1ubuntu1
  version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
  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 2:21.1.3-2ubuntu2.1
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20210115-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 
1:1.0.17-2build1

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