[Focal] No HDMI output through thunderbolt docking station
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
OEM Priority Project |
Triaged
|
High
|
Cyrus Lien | ||
linux (Ubuntu) |
Confirmed
|
High
|
Unassigned | ||
xorg-server (Ubuntu) |
Invalid
|
Undecided
|
Unassigned |
Bug Description
I can find monitor in display list, but no output from it.
Also, I can't switch to extend mode, it failed to apply the setting and switched back to mirror mode.
[Steps]
1. Connect a thunderbolt docking station to thunderbolt port.
2. Connect HDMI monitor to HDMI port on the docking station.
3. Switch mode in display setting
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSign
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu25
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Fri Apr 10 16:44:40 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingI
GraphicsCard:
Intel Corporation UHD Graphics 620 (Whiskey Lake) [8086:3ea0] (prog-if 00 [VGA controller])
Subsystem: Dell UHD Graphics 620 (Whiskey Lake) [1028:08af]
InstallationDate: Installed on 2020-04-09 (1 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
MachineType: Dell Inc. XPS 13 9380
ProcKernelCmdLine: BOOT_IMAGE=
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/08/2019
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 1.1.1
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 10
dmi.chassis.vendor: Dell Inc.
dmi.modalias: dmi:bvnDellInc.
dmi.product.family: XPS
dmi.product.name: XPS 13 9380
dmi.product.sku: 08AF
dmi.sys.vendor: Dell Inc.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.100-4
version.
version.
version.
version.
version.
version.
version.
Changed in oem-priority: | |
assignee: | nobody → Cyrus Lien (cyruslien) |
Changed in oem-priority: | |
importance: | Undecided → High |
Changed in xorg-server (Ubuntu): | |
status: | Incomplete → Invalid |
Changed in linux (Ubuntu): | |
importance: | Undecided → High |
tags: | added: oem-priority |
tags: | added: ubuntu-certified |
Please try logging in to 'Ubuntu on Wayland' and tell us if that avoids the bug.