You have been subscribed to a public bug:
With a multi-monitor setup that includes one portrait oriented screen,
most of the time several of the monitors end up with extended horizontal
resolution to the right, resulting in panning when you move the mouse,
as well as overlap between the screen areas.
I can occasionally make it behave after some enabling, disabling and
orientation changes of the monitors, but seemingly only if I have them
all in a row and don't have the portrait one furthest to the right.
Attempted setup that breaks:
-----------
|1920x1080 |----
|nvidia egpu|1080|
--------------- ----------- -----------|x |
|2560x1440 |1920x1080 |1920x1080 |1920|
|laptop internal|nvidia egpu|nvidia egpu|egpu|
| |----------- ----------- ----
---------------
Also attached screenshot that should illustrate the issue well.
I can't tell for sure if this is an xorg issue or a nvidia one, I did
look at both arandr and nvidia-settings and in neither can I see
anything amiss.
lsb_release -rd
Description: Ubuntu 20.04 LTS
Release: 20.04
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-28.32-generic 5.4.30
Uname: Linux 5.4.0-28-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.09.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:09:00.0'
.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 440.64 Fri Feb 21 01:17:26
UTC 2020
GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
ApportVersion: 2.20.11-0ubuntu27
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Thu Apr 30 20:18:43 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus: nvidia, 440.64, 5.4.0-28-generic, x86_64: installed
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Lenovo UHD Graphics 620 [17aa:225d]
NVIDIA Corporation TU104 [GeForce RTX 2070 SUPER] [10de:1e84] (rev a1)
(prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. TU104 [GeForce RTX 2070 SUPER] [1043:8727]
InstallationDate: Installed on 2020-04-30 (0 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: LENOVO 20L5CTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-28-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: 02/19/2020
dmi.bios.vendor: LENOVO
dmi.bios.version: N24ET56W (1.31 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20L5CTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40709 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrN24ET56W(1.31):bd02/19/2020:svnLENOVO:pn20L5CTO1WW:pvrThinkPadT480:rvnLENOVO:rn20L5CTO1WW:rvrSDK0J40709WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T480
dmi.product.name: 20L5CTO1WW
dmi.product.sku: LENOVO_MT_20L5_BU_Think_FM_ThinkPad T480
dmi.product.version: ThinkPad T480
dmi.sys.vendor: LENOVO
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.101-2
version.libgl1-mesa-dri: libgl1-mesa-dri 20.0.4-2ubuntu1
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 2:1.20.8-2ubuntu2
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+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal resolution ubuntu
--
Monitor setups including portrait orinted monitors cause horizontal resolution
to increase
https://bugs.launchpad.net/bugs/1876170
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