I'm also experiencing this issue after upgrading from 13.04 to 13.10. System was stable before that gnome-shell cpu usage goes from 60% to 250% and keeps above 100% usage like 90% of time.
Laptop: Dell Latitude E6410, Intel VGA, 8 GB of memory, Ubuntu gnome (ubuntu-gnome-desktop) 64-bits. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1225985 Title: gnome-shell uses over 300% CPU most the time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1225985/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs