Public bug reported:
Currently I'm using a 4K AOC monitor on 20.04 LTS with a DisplayPort
cable.
Normally, there is a gear widget in the lower right corner of the screen
that allows me to select between XServer and Wayland. This gear is
missing. Switching to an HDMI cable corrects the issue but doesn't allow
the display to work at higher than 30hz.
Additionally, attempting to login throws a session error which hangs.
You need to switch to a separate tty to do anything.
The specific error is a popup right after entering your password.
This is the text:
Error found when loading /home/user/.xprofile:
warning: output HDMI-A-1 not found: ignoring
X Error of failed request: BadRROutput (invalid Output parameter)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 15 (RRGetOutputProperty)
Serial number of failed request: 37
Current serial number in output stream: 37
As a result the session will not be configured correctly.
You should fix the problem as soon as feasible. <OK button>
Mouse and Keyboard are fully unresponsive except for the magic keys
(switching TTY and various other kernel functions).
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.4.0-40.44-generic 5.4.44
Uname: Linux 5.4.0-40-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.4
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Sun Jul 19 17:55:47 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: No
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Baffin [Radeon RX 460/560D / Pro
450/455/460/555/555X/560/560X] [1002:67ef] (rev e5) (prog-if 00 [VGA
controller])
Subsystem: XFX Pine Group Inc. Polaris 21 XL [Radeon RX 560D] [1682:956d]
Advanced Micro Devices, Inc. [AMD/ATI] Raven Ridge [Radeon Vega Series /
Radeon Vega Mobile Series] [1002:15dd] (rev c6) (prog-if 00 [VGA controller])
Subsystem: ASUSTeK Computer Inc. Raven Ridge [Radeon Vega Series / Radeon
Vega Mobile Series] [1043:876b]
InstallationDate: Installed on 2020-04-26 (84 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: System manufacturer System Product Name
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.4.0-40-generic
root=/dev/mapper/hostname--vg-base ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/14/2020
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2202
dmi.board.asset.tag: Default string
dmi.board.name: PRIME B450-PLUS
dmi.board.vendor: ASUSTeK COMPUTER INC.
dmi.board.version: Rev X.0x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2202:bd07/14/2020:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKCOMPUTERINC.:rnPRIMEB450-PLUS:rvrRevX.0x: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 20.0.8-0ubuntu1~20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.8-2ubuntu2.2
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: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal ubuntu
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https://bugs.launchpad.net/bugs/1888167
Title:
Unable to Login
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