** Also affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Changed in: xorg-server (Ubuntu)
Status: Incomplete => Invalid
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https://bugs.launchpad.net/bugs/1872034
Title:
[Focal] No HDMI output through thunderbolt docking station
Status in OEM Priority Project:
Triaged
Status in linux package in Ubuntu:
Confirmed
Status in xorg-server package in Ubuntu:
Invalid
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
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
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
ExtraDebuggingInterest: Yes
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=/boot/vmlinuz-5.4.0-21-generic
root=UUID=98c0c28f-278e-442b-8fc9-6d663bacd68d ro quiet splash vt.handoff=7
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.:bvr1.1.1:bd01/08/2019:svnDellInc.:pnXPS139380:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct10:cvr:
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.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-1ubuntu1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.7-2ubuntu2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20190815-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
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