I wonder if this helps explain. When the screensaver is on the cpu is flat out. The screen shot shows cpu usage flat out during screensaver operation and then drops when screensaver cleared.
** Attachment added: "cpu.png" http://launchpadlibrarian.net/17888579/cpu.png -- screensaver won't release with mouse movement https://bugs.launchpad.net/bugs/273142 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