Public bug reported:
I have a Dell XPS 9360 with a FHD screen and a Intel HD620 iGPU, running Ubuntu
20.04. On this system animations should be smooth and at 60fps, but this is not
always the case.
The applications animation (the icons coming from the bottom left) is specially
stuttery most of the time. Sometimes it is buttery smooth, but most of the
times it is not. It is difficult to pinpoint when.
Some exploration that may help to find the issue:
* I also have a desktop with 20.04 and a Nvidia 750ti and it seems to be much
smoother. This seems to indicate that the problem is somehow related to the
Intel iGPU.
* Animations seem smoother under Wayland. But, because of other limitations, I
am staying on Xorg for now.
* The application animation is super stuttery the first time it is opened in a
session. It gets slowly better with subsequent uses, although never totally
smooth.
" The animation is noticeably more stuttery if it opens the “All” applications
tab instead of “Frequent” apps. Maybe the number of apps (icons) is a factor?
* Vanilla gnome-session seems to be smoother. Maybe the problem is related to
Dash-to-dock or another Ubuntu extension? (In my ubuntu session only default
extensions are enabled).
These datapoints are mainly subjective as I have no means of properly
measure animations performance.
Don't get my wrong, 20.04 is a clear improvement over 18.04. But it
seems there is some room for improvement at least in this hardware.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.1-4ubuntu1
ProcVersionSignature: Ubuntu 5.4.0-21.25-generic 5.4.27
Uname: Linux 5.4.0-21-generic x86_64
ApportVersion: 2.20.11-0ubuntu26
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Tue Apr 14 15:23:40 2020
DisplayManager: gdm3
InstallationDate: Installed on 2018-02-23 (780 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Alpha amd64 (20180222)
RelatedPackageVersions: mutter-common 3.36.1-3ubuntu1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug focal
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https://bugs.launchpad.net/bugs/1872796
Title:
gnome-shell animations are stuttery
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