Very important observation: When the lock screen is activated (after a screensaver, or manually from the system menu), it stops manifesting!
I am guessing it has something to do with Unity? ** Also affects: unity Importance: Undecided Status: New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1098912 Title: Laptop luminosity switch makes high CPU usage To manage notifications about this bug go to: https://bugs.launchpad.net/unity/+bug/1098912/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs