intel-microcode (3.20151106.1) was recently sync'd into Ubuntu Xenial, see: http://packages.ubuntu.com/xenial/intel-microcode
It may be worth checking to see if this resolves the issues for you. ** Changed in: intel-microcode (Ubuntu) Status: In Progress => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1480349 Title: Intel Microcode Breaks frequency scaling in Xeon® E5-2687W v3 & E5-1650 v3 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/intel-microcode/+bug/1480349/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs