Ubuntu
gnome-shell package

LTS 20.04 gnome-shell consume 80% of CPU

Bug #1898021 reported by Breton on 2020-10-01

This bug report is a duplicate of: Bug #1880405: Unresponsive GUI and journal flooded with: JS ERROR: TypeError: null has no properties _onFocusChanged@resource:///org/gnome/shell/ui/closeDialog.js:135:9. Edit Remove

This bug affects 1 person

Affects		Status	Importance	Assigned to	Milestone
	gnome-shell (Ubuntu)	New	Undecided	Unassigned

Bug Description

Ubuntu 20.04 is quite unusable because gnome-shell take all the CPU power.
It's a recent regression but I've always seen this behavior with an NUC Intel hardware.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: gnome-shell 3.36.4-1ubuntu1~20.04.2
ProcVersionSignature: Ubuntu 5.4.0-48.52-generic 5.4.60
Uname: Linux 5.4.0-48-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.8
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 1 10:45:02 2020
DisplayManager: gdm3
InstallationDate: Installed on 2020-06-10 (112 days ago)
InstallationMedia: Ubuntu 20.04 LTS "Focal Fossa" - Release amd64 (20200423)
ProcEnviron:
TERM=xterm-256color
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=fr_FR.UTF-8
SHELL=/bin/bash
RelatedPackageVersions: mutter-common 3.36.4-0ubuntu0.20.04.2
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

Tags:

Revision history for this message

Breton (fred06) wrote on 2020-10-01:

Dependencies.txt Edit (21.9 KiB, text/plain; charset="utf-8")
GsettingsChanges.txt Edit (2.0 KiB, text/plain; charset="utf-8")
ProcCpuinfoMinimal.txt Edit (1.3 KiB, text/plain; charset="utf-8")
ShellJournal.txt Edit (664.0 KiB, text/plain; charset="utf-8")
monitors.xml.txt Edit (2.9 KiB, text/plain; charset="utf-8")

Revision history for this message

Daniel van Vugt (vanvugt) wrote on 2020-10-01:

Thank you for taking the time to report this bug and helping to make Ubuntu better. This particular bug has already been reported and is a duplicate of bug 1880405, so it is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Feel free to continue to report any other bugs you may find.