Public bug reported:
Since I upgraded from Ubuntu 19.10 to 20.04 my multi monitor setup is
broken. I put the screens into the shape of an H. The center screen is
in landscape and to each side one screen in portrait/pivot orientation.
I expected to rotate the virtual screens of the outer monitors into
portrait mode as it was possible before.
Instead the smallest (middle) screen gets scaled extremely in, the
virtual screens overlap and just everything about the monitor setup
breaks.
The resolutions are from left to right 1440p, 1080p, 2160p.
I could configure the outer screens to portrait mode over Nvidia X Server, but
it doesn't survive a reboot. Also it breaks if I touch the screens over the
gnome-control-center.
======================================
> apt-cache policy gnome-control-center
gnome-control-center:
Installed: 1:3.36.2-0ubuntu1
Candidate: 1:3.36.2-0ubuntu1
Version table:
*** 1:3.36.2-0ubuntu1 500
500 http://de.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
100 /var/lib/dpkg/status
1:3.36.1-1ubuntu5 500
500 http://de.archive.ubuntu.com/ubuntu focal/main amd64 Packages
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
.proc.driver.nvidia.gpus.0000.01.00.0: Error: [Errno 21] Is a directory:
'/proc/driver/nvidia/gpus/0000:01:00.0'
.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 435.21 Sun Aug 25 08:17:57
CDT 2019
GCC version: gcc version 9.3.0 (Ubuntu 9.3.0-10ubuntu2)
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun May 31 17:29:17 2020
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
nvidia, 435.21, 5.3.0-55-generic, x86_64: installed
nvidia, 435.21, 5.4.0-33-generic, x86_64: installed
virtualbox, 6.1.6, 5.3.0-55-generic, x86_64: installed
virtualbox, 6.1.6, 5.4.0-33-generic, x86_64: installed
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
NVIDIA Corporation GM204 [GeForce GTX 970] [10de:13c2] (rev a1) (prog-if 00
[VGA controller])
Subsystem: ZOTAC International (MCO) Ltd. GM204 [GeForce GTX 970] [19da:2370]
InstallationDate: Installed on 2019-11-26 (186 days ago)
InstallationMedia: Ubuntu 19.10 "Eoan Ermine" - Release amd64 (20191017)
MachineType: System manufacturer System Product Name
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-33-generic
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to focal on 2020-05-29 (2 days ago)
dmi.bios.date: 03/15/2018
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 3802
dmi.board.asset.tag: Default string
dmi.board.name: MAXIMUS VIII RANGER
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr3802:bd03/15/2018:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnMAXIMUSVIIIRANGER:rvrRev1.xx:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: To be filled by O.E.M.
dmi.product.name: System Product Name
dmi.product.sku: SKU
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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 ubuntu
** Attachment added: "After putting orienting the screens how I want them to be
and click apply it gets scrambled like that"
https://bugs.launchpad.net/bugs/1881498/+attachment/5379099/+files/Screenshot%20from%202020-05-31%2017-21-31.png
--
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which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1881498
Title:
Three monitor setup breaks if one+ screen rotated into portrait mode
since Ubuntu 20.04
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1881498/+subscriptions
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