Public bug reported:

Hi,

When I start or shutdown a VM via virt-manager, it has the side effect
of freeze the Gnome-Shell desktop for 3 seconds.

I can move the mouse, but I can't click on anything to get the focus, or drag'n 
drop a window.
(look at the desktop record in the attachments)

I have noticed the following line in my journactl when the freeze
happens:

nov. 28 21:07:38 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Attempting 
to re-register :1.138/org/ayatana/NotificationItem/virt_manager; resetting 
instead
nov. 28 21:07:38 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Item 
:1.138/org/ayatana/NotificationItem/virt_manager is already registered
nov. 28 21:07:38 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Attempting 
to re-register :1.138/org/ayatana/NotificationItem/virt_manager; resetting 
instead
nov. 28 21:07:38 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Item 
:1.138/org/ayatana/NotificationItem/virt_manager is already registered
nov. 28 21:07:43 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Attempting 
to re-register :1.138/org/ayatana/NotificationItem/virt_manager; resetting 
instead
nov. 28 21:07:43 xxxx gnome-shell[3133]: [AppIndicatorSupport-WARN] Item 
:1.138/org/ayatana/NotificationItem/virt_manager is already registered


This is really annoying as I'm starting/stopping VMs frequently in my workflow.
Please provide a fix or a workaround.

Thanks.

ProblemType: Bug
DistroRelease: Ubuntu 19.10
Package: virt-manager 1:2.2.1-0ubuntu2
ProcVersionSignature: Ubuntu 5.3.0-23.25-generic 5.3.7
Uname: Linux 5.3.0-23-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu8.2
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Nov 28 21:05:02 2019
InstallationDate: Installed on 2019-09-26 (63 days ago)
InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
PackageArchitecture: all
SourcePackage: virt-manager
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: virt-manager (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug eoan

** Attachment added: "Desktop recording of the bug"
   
https://bugs.launchpad.net/bugs/1854396/+attachment/5308551/+files/virt-manager-freeze-desktop.webm

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https://bugs.launchpad.net/bugs/1854396

Title:
  virt-manager freezes the whole desktop for 3 seconds when
  starting/stopping a VM

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