Public bug reported:
The external Samsung 34" monitor connects fine with HDMI, but not on USB-C.
It worked for a short amount of time at one point early after installing Ubuntu
22.04, but not since.
No difference with disconnect / reconnect, reboot, etc.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-27.28-generic 5.15.30
Uname: Linux 5.15.0-27-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 510.60.02 Wed Mar 16 11:24:05
UTC 2022
GCC version:
ApportVersion: 2.20.11-0ubuntu82
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu May 12 10:17:49 2022
DistUpgraded: Fresh install
DistroCodename: jammy
DistroVariant: ubuntu
DkmsStatus: virtualbox/6.1.32, 5.15.0-27-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation TigerLake-H GT1 [UHD Graphics] [8086:9a60] (rev 01) (prog-if
00 [VGA controller])
Subsystem: Lenovo TigerLake-H GT1 [UHD Graphics] [17aa:22e4]
NVIDIA Corporation TU117GLM [T1200 Laptop GPU] [10de:1fbc] (rev a1) (prog-if
00 [VGA controller])
Subsystem: Lenovo Device [17aa:22e4]
InstallationDate: Installed on 2022-05-09 (3 days ago)
InstallationMedia: Ubuntu 22.04 LTS "Jammy Jellyfish" - Release amd64 (20220419)
MachineType: LENOVO 20Y3000EMX
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-27-generic
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/24/2022
dmi.bios.release: 1.15
dmi.bios.vendor: LENOVO
dmi.bios.version: N40ET33W (1.15 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20Y3000EMX
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: 1.15
dmi.modalias:
dmi:bvnLENOVO:bvrN40ET33W(1.15):bd02/24/2022:br1.15:efr1.15:svnLENOVO:pn20Y3000EMX:pvrThinkPadP1Gen4i:rvnLENOVO:rn20Y3000EMX:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:skuLENOVO_MT_20Y3_BU_Think_FM_ThinkPadP1Gen4i:
dmi.product.family: ThinkPad P1 Gen 4i
dmi.product.name: 20Y3000EMX
dmi.product.sku: LENOVO_MT_20Y3_BU_Think_FM_ThinkPad P1 Gen 4i
dmi.product.version: ThinkPad P1 Gen 4i
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.1-1ubuntu2
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
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 jammy ubuntu
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https://bugs.launchpad.net/bugs/1973145
Title:
External monitor does not connect on USB-C
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