It's happening for me now on this page at 49.4% RAM load and 50 - 60% CPU load. See attached screen-shot.
** Attachment added: "Screenshot-System Monitor.png" http://launchpadlibrarian.net/19892029/Screenshot-System%20Monitor.png -- [MASTER] right click (with button release) might activate random popup-menu-item https://bugs.launchpad.net/bugs/187313 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