Public bug reported:
At seemingly random times, gnome-shell uses 100% CPU when moving the
mouse cursor over the desktop and top panel. And the frame rate drops to
single figures, almost frozen.
I first noticed this in the aggregate menu but the only reliable
reproducer I've found is to drag the top panel (like bug 2062538) in a
Wayland session. After that, moving the mouse cursor over the desktop
wallpaper rapidly makes gnome-shell use 100% CPU when usually it's
closer to 10%.
The only reliable way I've found of making the bug NOT happen is to:
gnome-extensions disable d...@rastersoft.com
but that might just be disabling the trigger (dragging the top panel
like bug 2062538). So it's possible gnome-shell/mutter is still really
to blame.
** Affects: gnome-shell (Ubuntu)
Importance: High
Status: New
** Affects: gnome-shell-extension-desktop-icons-ng (Ubuntu)
Importance: High
Status: New
** Affects: mutter (Ubuntu)
Importance: High
Status: New
** Tags: cursor noble performance
** Also affects: gnome-shell (Ubuntu)
Importance: Undecided
Status: New
** Also affects: mutter (Ubuntu)
Importance: Undecided
Status: New
** Changed in: gnome-shell (Ubuntu)
Importance: Undecided => High
** Changed in: mutter (Ubuntu)
Importance: Undecided => High
** Tags added: cursor
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Desktop Bugs, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/2063036
Title:
gnome-shell 100% CPU when moving the mouse cursor over the desktop and
top panel
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2063036/+subscriptions
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