Public bug reported:
Ubuntu Version: Ubuntu Focal Fossa
Package version: 1:3.36.1-1ubuntu4
Expected: Using Screen sharing as expected and often used before
Result: Screen sharing is disabled and can't be reenabled
I have checked the system logs and found this entry:
gnome-control-c[223776]: couldn't list networks:
GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: Invalid service name
'vino-server'
Then I have tried to reinstall the vino package in case that something broke in
the update yesterday. This did not help so I tried executing the binary
manually and this worked:
/usr/lib/vino/vino-server
09/04/2020 10:16:55 Autoprobing TCP port in (all) network interface
09/04/2020 10:16:55 Listening IPv6://[::]:5900
09/04/2020 10:16:55 Listening IPv4://0.0.0.0:5900
09/04/2020 10:16:55 Autoprobing selected port 5900
09/04/2020 10:16:55 Advertising security type: 'TLS' (18)
... (shortened)
The problem might be something related to DBus but I'm not shure.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-control-center 1:3.36.1-1ubuntu4
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu25
Architecture: amd64
CurrentDesktop: GNOME
Date: Thu Apr 9 10:09:05 2020
InstallationDate: Installed on 2017-11-18 (872 days ago)
InstallationMedia: Ubuntu 17.10 "Artful Aardvark" - Release amd64 (20171018)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=de_DE.UTF-8
SHELL=/bin/bash
SourcePackage: gnome-control-center
UpgradeStatus: Upgraded to focal on 2020-04-03 (5 days ago)
** Affects: gnome-control-center (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1871787
Title:
Screen sharing can not be enabled from the Gnome Control Center
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