External monitors can't be detected because you have disabled the
graphics driver. You need to remove the 'nomodeset' kernel parameter.
** Package changed: xorg (Ubuntu) => linux-hwe-5.11 (Ubuntu)
** Changed in: linux-hwe-5.11 (Ubuntu)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1961596
Title:
Ubuntu 20.04 with kernel version 5.11.0-34 stopped detecting external
monitor
Status in linux-hwe-5.11 package in Ubuntu:
Invalid
Bug description:
Graphics option in About pane shows "llvmpipe (LLVM 12.0.0, 256 bits)"
$ lspci | grep -E 'VGA|Display'
00:02.0 VGA compatible controller: Intel Corporation UHD Graphics (rev 05)
$ glxinfo -B
name of display: :1
display: :1 screen: 0
direct rendering: Yes
Extended renderer info (GLX_MESA_query_renderer):
Vendor: Mesa/X.org (0xffffffff)
Device: llvmpipe (LLVM 12.0.0, 256 bits) (0xffffffff)
Version: 21.2.6
Accelerated: no
Video memory: 31887MB
Unified memory: no
Preferred profile: core (0x1)
Max core profile version: 4.5
Max compat profile version: 3.1
Max GLES1 profile version: 1.1
Max GLES[23] profile version: 3.2
OpenGL vendor string: Mesa/X.org
OpenGL renderer string: llvmpipe (LLVM 12.0.0, 256 bits)
OpenGL core profile version string: 4.5 (Core Profile) Mesa 21.2.6
OpenGL core profile shading language version string: 4.50
OpenGL core profile context flags: (none)
OpenGL core profile profile mask: core profile
OpenGL version string: 3.1 Mesa 21.2.6
OpenGL shading language version string: 1.40
OpenGL context flags: (none)
OpenGL ES profile version string: OpenGL ES 3.2 Mesa 21.2.6
OpenGL ES profile shading language version string: OpenGL ES GLSL ES 3.20
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg (not installed)
ProcVersionSignature: Ubuntu 5.11.0-34.36~20.04.1-generic 5.11.22
Uname: Linux 5.11.0-34-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.21
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Feb 21 14:42:46 2022
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
evdi, 1.9.1, 5.13.0-28-generic, x86_64: installed
evdi, 1.9.1, 5.13.0-30-generic, x86_64: installed
virtualbox, 6.1.26, 5.13.0-28-generic, x86_64: installed
virtualbox, 6.1.26, 5.13.0-30-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation UHD Graphics [8086:9bc4] (rev 05) (prog-if 00 [VGA
controller])
Subsystem: Hewlett-Packard Company Device [103c:8784]
InstallationDate: Installed on 2021-03-03 (355 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: HP HP ZBook Fury 15 G7 Mobile Workstation
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.11.0-34-generic
root=/dev/mapper/vgubuntu-root ro quiet splash nomodeset vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/05/2021
dmi.bios.release: 4.1
dmi.bios.vendor: HP
dmi.bios.version: S92 Ver. 01.04.01
dmi.board.name: 8783
dmi.board.vendor: HP
dmi.board.version: KBC Version 16.3D.00
dmi.chassis.type: 10
dmi.chassis.vendor: HP
dmi.ec.firmware.release: 22.61
dmi.modalias:
dmi:bvnHP:bvrS92Ver.01.04.01:bd01/05/2021:br4.1:efr22.61:svnHP:pnHPZBookFury15G7MobileWorkstation:pvr:sku26F75AV:rvnHP:rn8783:rvrKBCVersion16.3D.00:cvnHP:ct10:cvr:
dmi.product.family: 103C_5336AN HP ZBook
dmi.product.name: HP ZBook Fury 15 G7 Mobile Workstation
dmi.product.sku: 26F75AV
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.107-8ubuntu1~20.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 21.2.6-0ubuntu0.1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.13-1ubuntu1~20.04.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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