Thank you for reporting this bug to Ubuntu. Ubuntu 18.10 (cosmic) reached end-of-life on July 18, 2019.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in and change the bug status to Confirmed. ** Changed in: gnome-shell (Ubuntu) Status: Triaged => Won't Fix -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1808002 Title: Gnome shell is consuming high cpu usage when running Chrome Status in gnome-shell package in Ubuntu: Won't Fix Bug description: Today, I have installed the ubuntu 18.10 and now gnome-shell and chrome consuming high cpu usage (min 50%). I dont have any extensions enabled in chrome (Version 71.0) and opened only 5 tabs. No other applications are running in the system. ProblemType: Bug DistroRelease: Ubuntu 18.10 Package: gnome-shell 3.30.1-2ubuntu1 ProcVersionSignature: Ubuntu 4.18.0-10.11-generic 4.18.12 Uname: Linux 4.18.0-10-generic x86_64 NonfreeKernelModules: wl ApportVersion: 2.20.10-0ubuntu13.1 Architecture: amd64 CurrentDesktop: ubuntu:GNOME Date: Tue Dec 11 22:55:00 2018 DisplayManager: gdm3 GsettingsChanges: b'org.gnome.shell' b'favorite-apps' redacted by apport b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" InstallationDate: Installed on 2018-12-11 (0 days ago) InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3) SourcePackage: gnome-shell UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1808002/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

