** Changed in: gnome-shell
Status: Unknown => New
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https://bugs.launchpad.net/bugs/1881687
Title:
Desktop is blank after logging in (remotely) without a monitor
attached
Status in GNOME Shell:
New
Status in gnome-shell package in Ubuntu:
Triaged
Status in mutter package in Ubuntu:
Triaged
Bug description:
On Ubuntu 20.04, I have an AMD system with an integrated GPU (Ryzen 3 3200G
with Radeon Vega 8)
I am using lightdm instead of gdm3. My GPU is using the amdgpu driver. I have
no specific xorg.conf in place. I am using x11vnc to login and view the
desktop remotely. There is no monitor attached.
After logging into lightdm's greeter, I am presented with a blank
desktop with the Focal Fossa background image and a mouse cursor, but
no other visible interface or windows. There is no menu bar at the
top of the desktop and no application bar on the left.
This all works perfectly fine if a monitor is attached before lightdm
(and thus Xorg) is started.
If I change the settings at login to use fvwm for my session it works
fine. This is also the case for Gnome Flashback mode (using
metacity). But the default of gnome-shell/mutter does not work
without the monitor. Nor does using Wayland.
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
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
Date: Sun May 31 13:34:20 2020
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
DkmsStatus:
evdi, 1.6.0+dfsg, 5.4.0-31-generic, x86_64: installed
evdi, 1.6.0+dfsg, 5.4.0-33-generic, x86_64: installed
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8] (rev c9) (prog-if
00 [VGA controller])
Subsystem: Advanced Micro Devices, Inc. [AMD/ATI] Picasso [1002:15d8]
InstallationDate: Installed on 2020-05-21 (10 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
MachineType: Gigabyte Technology Co., Ltd. B450 I AORUS PRO WIFI
ProcEnviron:
TERM=screen-256color
PATH=(custom, no user)
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.4.0-33-generic
root=UUID=0030bb65-9e5e-4a70-bba3-da14892ec5b9 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 11/27/2019
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: F50
dmi.board.asset.tag: Default string
dmi.board.name: B450 I AORUS PRO WIFI-CF
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: Default string
dmi.chassis.type: 3
dmi.chassis.vendor: Default string
dmi.chassis.version: Default string
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrF50:bd11/27/2019:svnGigabyteTechnologyCo.,Ltd.:pnB450IAORUSPROWIFI:pvrDefaultstring:rvnGigabyteTechnologyCo.,Ltd.:rnB450IAORUSPROWIFI-CF:rvrx.x:cvnDefaultstring:ct3:cvrDefaultstring:
dmi.product.family: Default string
dmi.product.name: B450 I AORUS PRO WIFI
dmi.product.sku: Default string
dmi.product.version: Default string
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
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.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
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