4. Run: dmesg > dmesg.txt
   and attach the file 'dmesg.txt'

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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1850874

Title:
  gnome-shell 100% CPU usage on all cores when animated gif is displayed

Status in gnome-shell package in Ubuntu:
  Incomplete

Bug description:
  This started to happen with Ubuntu 19.10.

  When an animated gif is displayed in a browser, gnome-shell begins
  using 100% CPU on all cores.

  To reproduce:

  1) open Firefox, or Chromium

  2) load an URL where an animated gif is displayed - you can also use
  this direct link to https://i.stack.imgur.com/h6viz.gif

  3) gnome-shell will start using 100% CPU on all cores (as long as 
Firefox/Chromium window is in the foreground)
  --- 
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu8.1
  Architecture: amd64
  DisplayManager: gdm3
  DistroRelease: Ubuntu 19.10
  GsettingsChanges:
   
  InstallationDate: Installed on 2019-05-12 (172 days ago)
  InstallationMedia: Ubuntu 19.04 "Disco Dingo" - Release amd64 (20190416)
  Package: gnome-shell 3.34.1-1ubuntu1
  PackageArchitecture: amd64
  ProcVersionSignature: Ubuntu 5.3.0-19.20-generic 5.3.1
  RelatedPackageVersions: mutter-common 3.34.1-1ubuntu1
  Tags:  eoan
  Uname: Linux 5.3.0-19-generic x86_64
  UpgradeStatus: Upgraded to eoan on 2019-10-16 (15 days ago)
  UserGroups:
   
  _MarkForUpload: True

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