Public bug reported:
When I connect my display link usb-c to hdmi, it is capable of 50hz, but
wont show image when set on 100hz. It used to work some days ago with
other adapters. Stopped working out of the no-where.
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: xorg 1:7.7+23ubuntu3
ProcVersionSignature: Ubuntu 6.11.0-19.19~24.04.1-generic 6.11.11
Uname: Linux 6.11.0-19-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.3
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: pass
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Wed Mar 12 22:39:01 2025
DistUpgraded: Fresh install
DistroCodename: noble
DistroVariant: ubuntu
DkmsStatus: evdi/1.14.8, 6.11.0-19-generic, x86_64: installed
ExtraDebuggingInterest: I just need to know a workaround
GraphicsCard:
Intel Corporation Alder Lake-P GT1 [UHD Graphics] [8086:46a3] (rev 0c)
(prog-if 00 [VGA controller])
Subsystem: Lenovo Alder Lake-P GT1 [UHD Graphics] [17aa:3c45]
InstallationDate: Installed on 2025-01-23 (48 days ago)
InstallationMedia: Ubuntu 24.04.1 LTS "Noble Numbat" - Release amd64
(20240827.1)
MachineType: LENOVO 83BF
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-6.11.0-19-generic
root=UUID=abc9007c-57cd-4363-8bba-849b2c646af5 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 12/13/2024
dmi.bios.release: 1.38
dmi.bios.vendor: LENOVO
dmi.bios.version: LACN38WW
dmi.board.asset.tag: NO Asset Tag
dmi.board.name: LNVNB161216
dmi.board.vendor: LENOVO
dmi.board.version: SDK0T76463 WIN
dmi.chassis.asset.tag: NO Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: IdeaPad Slim 5 14IAH8
dmi.ec.firmware.release: 1.38
dmi.modalias:
dmi:bvnLENOVO:bvrLACN38WW:bd12/13/2024:br1.38:efr1.38:svnLENOVO:pn83BF:pvrIdeaPadSlim514IAH8:rvnLENOVO:rnLNVNB161216:rvrSDK0T76463WIN:cvnLENOVO:ct10:cvrIdeaPadSlim514IAH8:skuLENOVO_MT_83BF_BU_idea_FM_IdeaPadSlim514IAH8:
dmi.product.family: IdeaPad Slim 5 14IAH8
dmi.product.name: 83BF
dmi.product.sku: LENOVO_MT_83BF_BU_idea_FM_IdeaPad Slim 5 14IAH8
dmi.product.version: IdeaPad Slim 5 14IAH8
dmi.sys.vendor: LENOVO
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 2:21.1.12-1ubuntu1.2
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
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble ubuntu wayland-session
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https://bugs.launchpad.net/bugs/2102171
Title:
Screen goes black (external monitor via displaylink) when set on 100hz
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