I wonder if the Belkin docking station has enough bandwidth to drive
multiple monitors simultaneously. Have you tried unplugging everything
from the dock and just plugging in a monitor to the DisplayPort alone?

Also next time the bug occurs, please run:

  journalctl -b0 > journal.txt

and attach the resulting text file here.

** Package changed: xorg (Ubuntu) => linux-hwe-6.5 (Ubuntu)

** Changed in: linux-hwe-6.5 (Ubuntu)
       Status: New => Incomplete

** Tags added: multimonitor

You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.

  Monitor Not Detected when Connected to Belkin Docking Station via
  DisplayPort on Ubuntu

Status in linux-hwe-6.5 package in Ubuntu:

Bug description:
  Dear Ubuntu Bug Tracking Team,

  I hope this message finds you well. I am writing to report an issue I
  have encountered while using Ubuntu.

  Issue Description:
  When connecting my BenQ monitor to a Belkin docking station via DisplayPort, 
Ubuntu fails to detect the monitor. Other monitor connected to same docking 
station via hdmi is working

  Thank you for your attention to this matter.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: xorg 1:7.7+23ubuntu2
  ProcVersionSignature: Ubuntu 6.5.0-17.17~22.04.1-generic 6.5.8
  Uname: Linux 6.5.0-17-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: unknown
  CompizPlugins: No value set for 
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Feb 17 12:33:13 2024
  DistUpgraded: 2022-09-23 16:50:19,545 DEBUG Running PostInstallScript: 
  DistroCodename: jammy
  DistroVariant: ubuntu
  DkmsStatus: nct6687d/20240204-100005, 6.5.0-17-generic, x86_64: installed
  ExtraDebuggingInterest: I just need to know a workaround
   Intel Corporation CometLake-U GT2 [UHD Graphics] [8086:9b41] (rev 02) 
(prog-if 00 [VGA controller])
     Subsystem: Lenovo CometLake-U GT2 [UHD Graphics] [17aa:22ac]
  InstallationDate: Installed on 2020-06-01 (1355 days ago)
  InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
  MachineType: LENOVO 20SDCTO1WW
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.5.0-17-generic 
root=UUID=b6e3b307-fcfb-4b70-ba21-5b72784f279c ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: Upgraded to jammy on 2022-09-23 (511 days ago)
  dmi.bios.date: 07/17/2023
  dmi.bios.release: 1.25
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N2SET31W (1.25 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20SDCTO1WW
  dmi.board.vendor: LENOVO
  dmi.board.version: SDK0J40709 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.ec.firmware.release: 1.6
  dmi.product.family: ThinkPad X390
  dmi.product.name: 20SDCTO1WW
  dmi.product.sku: LENOVO_MT_20SD_BU_Think_FM_ThinkPad X390
  dmi.product.version: ThinkPad X390
  dmi.sys.vendor: LENOVO
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.113-2~ubuntu0.22.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 23.2.1-1ubuntu3.1~22.04.2
  version.libgl1-mesa-glx: libgl1-mesa-glx 23.0.4-0ubuntu1~22.04.1
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.4-2ubuntu1.7~22.04.8
  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 
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 

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