1. Bugs like this are usually due to extensions. So first please try disabling any extensions.
2. Please run this command to send us more information about the system: apport-collect 1900760 3. I have actually seen one possible cause for this in recent code changes, but it would only happen after locking and unlocking the machine. Is that what you find?.. https://gitlab.gnome.org/GNOME/gnome- shell/-/merge_requests/1459 is fixed in gnome-shell 3.38.2. ** Changed in: gnome-shell (Ubuntu) Status: New => Incomplete -- 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/1900760 Title: gnome-shell very high %CPU usage while moving mouse on Ubuntu 20.04 Status in gnome-shell package in Ubuntu: Incomplete Bug description: After upgrade from 18.04 to 20.04 I discovered that gnome-shell occasionally starts eating up unreasonably large CPU %. After some head scratching why on earth i thappens, it was clear that moving my mouse energetically I can get it as close to 100% as I want. If this is relevant, the mouse model is Corsair Harpoon wireless BT. I am reading some speculation that the cause of the problem is high polling rate for mouse location (?). It is suggested in this bug entry (https://bugs.launchpad.net/bugs/1848951) that this issue is fixed on late march. But this is october and I still experience this problem on an updated PC. gnome-shell version on my system: 3.36.4-1ubuntu1~20.04.2 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1900760/+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
