Comment #16 is confusing because it sounds like you're now talking about
multiple unrelated issues. It is also confusing because comment #16
suggests this bug occurs in Wayland only but comment #13 looks like it's
from Xorg.
Is this bug affecting Wayland sessions only?
** Changed in: gnome-shell (Ubuntu)
Status: Triaged => Incomplete
** Changed in: mesa (Ubuntu)
Status: Triaged => Incomplete
** Changed in: mutter (Ubuntu)
Status: New => Incomplete
** Changed in: mesa (Ubuntu)
Importance: Low => Undecided
** Changed in: gnome-shell (Ubuntu)
Importance: Low => Undecided
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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
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