Jorge - do you still see this issue? I had similar problems and ended up disabling powernap core management for this reason.
** Changed in: powernap (Ubuntu) Importance: Undecided => Low ** Changed in: powernap (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/830345 Title: Disables CPU cores when on battery To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/powernap/+bug/830345/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs