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[Bug 2119040] Re: unknown display

 

Thanks for the bug report. It looks like the system is having trouble
identifying one of your monitors, although two are detected as
connected.

Please run:

  sudo apt install drm-info
  sudo drm_info > drminfo.txt

Then attach the resulting text file here.

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

** Changed in: mutter (Ubuntu)
       Status: New => Incomplete

** Tags added: multimonitor

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https://bugs.launchpad.net/bugs/2119040

Title:
  unknown display

Status in mutter package in Ubuntu:
  Incomplete

Bug description:
  It can identify my screan

  ProblemType: Bug
  DistroRelease: Ubuntu 24.04
  Package: xorg 1:7.7+23ubuntu3
  ProcVersionSignature: Ubuntu 6.14.0-24.24~24.04.3-generic 6.14.6
  Uname: Linux 6.14.0-24-generic x86_64
  ApportVersion: 2.28.1-0ubuntu3.8
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: pass
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Tue Jul 29 22:01:33 2025
  DistUpgraded: Fresh install
  DistroCodename: noble
  DistroVariant: ubuntu
  GraphicsCard:
   Intel Corporation HD Graphics 530 [8086:1912] (rev 06) (prog-if 00 [VGA controller])
     Subsystem: Hewlett-Packard Company HD Graphics 530 [103c:805d]
  InstallationDate: Installed on 2025-07-07 (22 days ago)
  InstallationMedia: Ubuntu 24.04.2 LTS "Noble Numbat" - Release amd64 (20250215)
  Lsusb:
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 001 Device 002: ID 2357:0604 TP-Link TP-Link UB500 Adapter
   Bus 001 Device 003: ID 1c4f:0048 SiGma Micro Usb Mouse
   Bus 001 Device 004: ID 1c4f:0026 SiGma Micro Keyboard
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
  MachineType: HP HP ProDesk 600 G2 SFF
  ProcEnviron:
   LANG=en_US.UTF-8
   PATH=(custom, no user)
   SHELL=/bin/bash
   TERM=xterm-256color
   XDG_RUNTIME_DIR=<set>
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-6.14.0-24-generic root=UUID=03a2d8dc-02d2-49ba-bc67-a4ce2368f381 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 07/28/2022
  dmi.bios.release: 2.58
  dmi.bios.vendor: HP
  dmi.bios.version: N02 Ver. 02.58
  dmi.board.name: 805D
  dmi.board.vendor: HP
  dmi.board.version: KBC Version 05.39
  dmi.chassis.type: 4
  dmi.chassis.vendor: HP
  dmi.ec.firmware.release: 5.57
  dmi.modalias: dmi:bvnHP:bvrN02Ver.02.58:bd07/28/2022:br2.58:efr5.57:svnHP:pnHPProDesk600G2SFF:pvr:rvnHP:rn805D:rvrKBCVersion05.39:cvnHP:ct4:cvr:skuT6T91PA#ABG:
  dmi.product.family: 103C_53307F HP EliteDesk
  dmi.product.name: HP ProDesk 600 G2 SFF
  dmi.product.sku: T6T91PA#ABG
  dmi.sys.vendor: HP
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.122-1~ubuntu0.24.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 24.2.8-1ubuntu1~24.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:21.1.12-1ubuntu1.4
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:22.0.0-1build1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20210115-1build1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1

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References