Boot freeze - [drm:lspcon_init [i915]] *ERROR* Failed to probe lspcon - [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D

[Denis]

After recent update during boot Ubuntu freezes or I should wait a couple of minutes before gui starts.

Laptop is Ubuntu certified (Thinkpad 17p gen1)

Dmesg shows the following errors:
 [drm:lspcon_resume [i915]] *ERROR* LSPCON init failed on port D

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-50.56-generic 5.15.60
Uname: Linux 5.15.0-50-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 515.65.01 Wed Jul 20 14:00:58 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: Wed Oct 12 09:37:17 2022
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
DkmsStatus:
 nvidia/515.65.01, 5.15.0-48-generic, x86_64: installed
 nvidia/515.65.01, 5.15.0-50-generic, x86_64: installed
ExtraDebuggingInterest: I just need to know a workaround
GpuHangFrequency: Continuously
GpuHangReproducibility: Yes, I can easily reproduce it
GpuHangStarted: Since before I upgraded
GraphicsCard:
 Intel Corporation CometLake-H GT2 [UHD Graphics] [8086:9bc4] (rev 05) (prog-if 00 [VGA controller])
   Subsystem: Lenovo CometLake-H GT2 [UHD Graphics] [17aa:22bb]
 NVIDIA Corporation TU117GLM [Quadro T2000 Mobile / Max-Q] [10de:1fb8] (rev a1) (prog-if 00 [VGA controller])
   Subsystem: Lenovo TU117GLM [Quadro T2000 Mobile / Max-Q] [17aa:22bb]
InstallationDate: Installed on 2020-11-20 (690 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: LENOVO 20SN002WRT
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.15.0-50-generic root=UUID=464ea21f-3e4f-4d24-97b2-deb2a870e063 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
Title: Xorg freeze
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/08/2021
dmi.bios.release: 1.26
dmi.bios.vendor: LENOVO
dmi.bios.version: N30ET43W (1.26 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20SN002WRT
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.ec.firmware.release: 1.16
dmi.modalias: dmi:bvnLENOVO:bvrN30ET43W(1.26):bd11/08/2021:br1.26:efr1.16:svnLENOVO:pn20SN002WRT:pvrThinkPadP17Gen1:rvnLENOVO:rn20SN002WRT:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20SN_BU_Think_FM_ThinkPadP17Gen1:
dmi.product.family: ThinkPad P17 Gen 1
dmi.product.name: 20SN002WRT
dmi.product.sku: LENOVO_MT_20SN_BU_Think_FM_ThinkPad P17 Gen 1
dmi.product.version: ThinkPad P17 Gen 1
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

[Daniel van Vugt (vanvugt)]

Looks like bug 1973098 is the same.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.