Unfortunately I don't know the reliably steps. I only remember that it happened when I had more running application (more icons with running applications on gnome-panel). I was working with some of running application and tried to switch to another one using click on gnome-panel. Then bug occurred.
-- Process gnome-panel takes 100% of CPU and GUI doesn't respond https://bugs.launchpad.net/bugs/437592 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is a bug assignee. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs