** Summary changed:
- gnome-shell high CPU in activities overview
+ Activities overview causes increased CPU in Wayland & Xorg
** This bug is no longer a duplicate of bug 1750197
Activities overview causes heavy CPU spikes in Wayland & Xorg
** Changed in: gnome-shell (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Changed in: mutter (Ubuntu)
Assignee: (unassigned) => Daniel van Vugt (vanvugt)
** Changed in: gnome-shell (Ubuntu)
Importance: Undecided => Medium
** Changed in: mutter (Ubuntu)
Importance: Undecided => Medium
** Changed in: gnome-shell (Ubuntu)
Status: Incomplete => In Progress
** Changed in: mutter (Ubuntu)
Status: New => In Progress
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https://bugs.launchpad.net/bugs/1698792
Title:
Activities overview causes increased CPU in Wayland & Xorg
Status in gnome-shell package in Ubuntu:
In Progress
Status in mutter package in Ubuntu:
In Progress
Bug description:
I am reporting this as a separate bug because the earlier bugs apply
to earlier versions of Ubuntu and have been invalidated.
My system is Ubuntu 17.04 (updated not clean install)
The problem occurs after a few hours of work.
Steps to reproduce:
1. Keep working on the system for some hours
2. Press the Left Win key to get into search mode
What happens then:
An overview of windows will be displayed. The UI will freeze or become
unresponsive. Mouse pointed can be moved around but clicking on any window
thumbnail does not give the focus to it
Switch to a shell using Ctrl+Alt+F1. Run top. gnome-shell is at the
top with 100% CPU usage.
I tried disabling some extensions to see if these cause the problem. I
also tried changing the gnome-shell theme to default but no impact.
Problem remains.
If someone could point me to what more information needs to be
gathered, I will be happy to provide it.
Thanks
ProblemType: Bug
DistroRelease: Ubuntu 17.04
Package: gnome-shell 3.24.2-0ubuntu0.1
ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15
Uname: Linux 4.10.0-22-generic x86_64
ApportVersion: 2.20.4-0ubuntu4.1
Architecture: amd64
CurrentDesktop: GNOME
Date: Mon Jun 19 16:57:19 2017
DisplayManager: lightdm
InstallationDate: Installed on 2017-01-16 (154 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Release amd64 (20161012.2)
SourcePackage: gnome-shell
UpgradeStatus: Upgraded to zesty on 2017-04-17 (62 days ago)
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