Public bug reported:
This is a Zotac CI547 box. It has to video outputs: one HDMI and one
DisplayPort. The HDMI port appears as DP-1 in the logs, the DisplayPort
as DP-2. The hardware is Intel HD 620 and is allegedly able to run two
displays simultaneously at 4K. I have one WQHD monitor (=2560x1440) and
I get that full resolution over the DisplayPort. However, I would like
to also get that resolution over the HDMI port (in order to connect two
identical monitors), but over HDMI I only get 1024x768. Updating the
kernel to the latest 4.18.8 using UKUU made no difference.
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: xorg 1:7.7+19ubuntu7.1
Uname: Linux 4.18.8-041808-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.3
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: X-Cinnamon
Date: Sat Sep 22 00:21:15 2018
DistUpgraded: Fresh install
DistroCodename: bionic
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation HD Graphics 620 [8086:5916] (rev 02) (prog-if 00 [VGA
controller])
Subsystem: Intel Corporation HD Graphics 620 [8086:0000]
InstallationDate: Installed on 2018-09-19 (2 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
MachineType: ZOTAC ZBOX-CI527/CI547
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.18.8-041808-generic
root=UUID=a3c0f54d-b5ae-4a0f-89ec-8e47ad34e2ef ro quiet splash
acpi_backlight=native pci=nomsi
resume=UUID=a3c0f54d-b5ae-4a0f-89ec-8e47ad34e2ef resume_offset=34816
vt.handoff=1
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/25/2017
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: B331P206
dmi.board.asset.tag: NA
dmi.board.name: ZBOX-CI527/CI547
dmi.board.vendor: ZOTAC
dmi.board.version: XX
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 9
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrB331P206:bd04/25/2017:svnZOTAC:pnZBOX-CI527/CI547:pvrXX:rvnZOTAC:rnZBOX-CI527/CI547:rvrXX:cvnDefaultstring:ct9:cvrDefaultstring:
dmi.product.family: NA
dmi.product.name: ZBOX-CI527/CI547
dmi.product.sku: NA
dmi.product.version: XX
dmi.sys.vendor: ZOTAC
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.91-2
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~18.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~18.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.19.6-1ubuntu4
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:18.0.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20171229-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.15-2
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug bionic resolution ubuntu
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https://bugs.launchpad.net/bugs/1793837
Title:
xorg gives low resolution on HDMI port
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