Public bug reported:
Problem should be unrelated to the driver.
Have a 2 Monitor setup and select the left (1) one to use as "Single Display".
On startup the login dialog still appears on the right (2) monitor. Everything
after login will be displayed correctly on left monitor (1).
There is also another problem here, which leads to the right (2) monitor
being left in an unresponsive state. Where I cannot switch manually to
my other PC. I have to keep pressing the power button of the right
monitor to shut it down and then turn it on again to let it gain control
over itself again.
Left monitor (1): Samsung SyncMaster SA350 (Code: S22A350H) (22'') (Connected
via HDMI) (Primary Display)
Right monitor (2): Samsung C27F398FWU (27'') (Connected via DisplayPort)
Numbers of monitors are labeled as reported in "Join Displays".
As far as I know on installation right monitor (2) was the primary
display.
Best Regards,
Fritzs
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.8.0-50.56~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-50-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.16
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Apr 18 10:29:47 2021
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
amdgpu, 5.9.10.69-1234664, 5.8.0-49-generic, x86_64: installed
amdgpu, 5.9.10.69-1234664, 5.8.0-50-generic, x86_64: installed
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Hawaii PRO [Radeon R9 290/390]
[1002:67b1] (prog-if 00 [VGA controller])
Subsystem: PC Partner Limited / Sapphire Technology Hawaii PRO [Radeon R9
290/390] [174b:e289]
InstallationDate: Installed on 2021-03-14 (34 days ago)
InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64
(20210209.1)
MachineType: To Be Filled By O.E.M. To Be Filled By O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-50-generic
root=UUID=aecd05e4-d595-4dfa-987a-f659813e4333 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/03/2020
dmi.bios.release: 5.17
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: P3.60
dmi.board.name: B450M Steel Legend
dmi.board.vendor: ASRock
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: To Be Filled By O.E.M.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrP3.60:bd11/03/2020:br5.17:svnToBeFilledByO.E.M.:pnToBeFilledByO.E.M.:pvrToBeFilledByO.E.M.:rvnASRock:rnB450MSteelLegend:rvr:cvnToBeFilledByO.E.M.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.family: To Be Filled By O.E.M.
dmi.product.name: To Be Filled By O.E.M.
dmi.product.sku: To Be Filled By O.E.M.
dmi.product.version: To Be Filled By O.E.M.
dmi.sys.vendor: To Be Filled By O.E.M.
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
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: ubuntu
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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https://bugs.launchpad.net/bugs/1924898
Title:
Display issues on startup using single display in multi display setup
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