I think the Gnome Shell developers have been working on how that code (efficient screen updates for VMs) works in Wayland sessions. But I don't know the details. Let's hope mutter 3.36 performs better in that area.
-- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to mesa in Ubuntu. https://bugs.launchpad.net/bugs/1850874 Title: gnome-shell (via Mesa/LLVMpipe in a virtual machine) uses all CPU cores just to update the screen Status in gnome-shell package in Ubuntu: Incomplete Status in mesa package in Ubuntu: Incomplete Status in mutter 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 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1850874/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp