There are some solutions to the problem. Dropping smooth scrolling (but not smooth curved lines) is one of them. Dropping the fixed-position vertical lines is another. Please see the gnome Bugzilla (good idea anyway, no action there for a week).
-- System monitor causes Xorg to consume 100% CPU https://bugs.launchpad.net/bugs/187383 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs