Also, I did a more detailed summary of my attempts to fix this problem and solution instructions from here in a blog post. I hope it helps someone.
http://carlocapocasa.com/crushing-the-kworker-uprising-or-how-to-fix- your-linux-lenovo-ideapad-y560p/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/887793 Title: Kworker constantly taking about 100% CPU To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/887793/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs