Public bug reported:
I upgraded my Ubuntu 20.04 LTS to 22.04 LTS using do-release-upgrade -d command
on 2022/05/20
And then my external monitor, who worked well before on 20.04 LTS, was never
able to connect.
Everytime I try to connect it, set Joint Displays and press apply on the
setting panel, the system crashes and goes back to login screen.
When I switch to Windows on the same computer, external monitor is able to
connect. Bug only appears on the new 22.04 LTS.
System info:
Device: Dell Inc. Precision 7750
Processor: Intel W-10855M
Graphics: Intel UHD Graphics P630 / NVIDIA Quadro RTX 3000
Built-in Display: 1920 X 1080, 60.00 HZ
External monitor where the bug appears: PHL 230B8Q (1920 X 1200, 59.950 HZ)
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-30.31-generic 5.15.30
Uname: Linux 5.15.0-30-generic x86_64
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: Mon May 23 11:42:00 2022
DistUpgraded: 2022-05-20 18:00:09,901 DEBUG Running PostInstallScript:
'/usr/lib/ubuntu-advantage/upgrade_lts_contract.py'
DistroCodename: jammy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation Device [8086:9bf6] (rev 05) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:09c4]
NVIDIA Corporation TU106GLM [Quadro RTX 3000 Mobile / Max-Q] [10de:1f36] (rev
a1) (prog-if 00 [VGA controller])
Subsystem: Dell TU106GLM [Quadro RTX 3000 Mobile / Max-Q] [1028:09c4]
InstallationDate: Installed on 2021-06-18 (338 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
MachineType: Dell Inc. Precision 7750
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-30-generic
root=UUID=4f247525-7971-47a5-b2b2-8f3a0282b3c7 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg crash
UpgradeStatus: Upgraded to jammy on 2022-05-20 (2 days ago)
dmi.bios.date: 03/30/2022
dmi.bios.release: 1.14
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.14.2
dmi.board.name: 0KT0MH
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr1.14.2:bd03/30/2022:br1.14:svnDellInc.:pnPrecision7750:pvr:rvnDellInc.:rn0KT0MH:rvrA01:cvnDellInc.:ct10:cvr:sku09C4:
dmi.product.family: Precision
dmi.product.name: Precision 7750
dmi.product.sku: 09C4
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.1-1ubuntu2
version.libgl1-mesa-glx: libgl1-mesa-glx 22.0.1-1ubuntu2
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2build3
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug crash jammy ubuntu wayland-session
--
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1975445
Title:
Crash back to login screen when connecting external monitor in 22.04
LTS
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1975445/+subscriptions
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