I removed the non-Ubuntu extensions (including user-theme, which is provided by the gnome-shell-extensions package).
Should the problem happen again, would you like me to apport collect or to just write it? -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/1842890 Title: gnome-shell high cpu usage and unresponsiveness To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1842890/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs