high usage cpu due to /usr/bin/gnome-shell

[José Oliveira]

PC Specs:
i5-6200U
8GB RAM
Nvidia GeForce 930m

I'm new to Ubuntu, and I just freshly installed Ubuntu 18.04 and I have noticed that my cpu fans are always on. I installed "htop" to see what was the cause, and it turns out that gnome-shell usually goes to 100%, on one core, while ram being at 2.11GB... Is there any fix? PC doesn't slow down but fans constantly spinning is annoying.

ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: gnome-shell 3.28.3-0ubuntu0.18.04.2
Uname: Linux 4.18.14-041814-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.9-0ubuntu7.4
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
Date: Thu Oct 18 09:37:39 2018
DisplayManager: gdm3
InstallationDate: Installed on 2018-10-16 (1 days ago)
InstallationMedia: Ubuntu 18.04.1 LTS "Bionic Beaver" - Release amd64 (20180725)
SourcePackage: gnome-shell
UpgradeStatus: No upgrade log present (probably fresh install)

[Daniel van Vugt (vanvugt)]

gnome-shell is very good at using zero CPU when nothing is happening. So if you find it's more than zero then that's probably due to one of your extensions:

b'org.gnome.shell' b'enabled-extensions' b"['<email address hidden>', '<email address hidden>', '<email address hidden>', '<email address hidden>']"

Please remove all extensions and retest. If that's not enough then please also give more details about what apps were running at the time.

[Launchpad Janitor (janitor)]

[Expired for gnome-shell (Ubuntu) because there has been no activity for 60 days.]