Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: gnome-shell (Ubuntu)
Status: New => Confirmed
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https://bugs.launchpad.net/bugs/1882781
Title:
Gnome 3.36.2 leaking in 20.04
Status in gnome-shell package in Ubuntu:
Confirmed
Bug description:
I've noticed lately that the performance of the UI in Gnome 3.36.2
seems to decay with uptime.
The most obvious manifestation is that over time, window animations
have a delay and feel "sticky". Applications themselves seem
unaffected. When I tell gnome to switch workspaces, there's about a
half second to full second delay before the animation happens. This
also applies to things like pressing the meta key to show all my
windows or pressing alt-tab. Each one appears to share the same delay.
I'm running a fairly unremarkable desktop setup using vanilla gnome on
Ubuntu 20.04.
My research on this issue seems to indicate that there were memory
leak issues in 18.xx versions of the OS, but that those were
supposedly fixed. The only thing I can conclude at this point is that
a new issue has emerged, there was a regression, or the original fix
didn't work.
The animation delay is sapping productivity to the point that I
eventually have to reboot my system. The gnome-shell process
definitely leaks over time as it starts around ~300mb and if left for
a day will sit at ~600mb or more.
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Regarding my overall hardware and nominal state of my system, I'm
experiencing this issue even as I'm creating this question. I'm
running the stock/vanilla gnome desktop, not the ubuntu customized
one.
My system has 32gb of RAM, only 6gb of which are in use currently. My
CPU usage fluctuates across 12 vcores up to 20% max. I have an RTX
2060 for my GPU.
At least as best as I can tell, I see no issue with the amount of
resources gnome-shell is getting right now. 😉
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There also appear to be other accounts of this same issue building up
since the release of 20.04. It's clear that this is a widespread
issue:
https://www.reddit.com/r/gnome/comments/fxffcd/gnome_shell_336_in_ubuntu_2004_still_leaks/
I would treat this with some urgency as for regular users this bug
renders the OS completely unusable.
ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.2-1ubuntu1~20.04.1
ProcVersionSignature: Ubuntu 5.4.0-33.37-generic 5.4.34
Uname: Linux 5.4.0-33-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu27.2
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: GNOME
Date: Tue Jun 9 08:19:21 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-04-20 (50 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Beta amd64 (20200402)
RelatedPackageVersions: mutter-common 3.36.2-1ubuntu1~20.04.1
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)
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