I tested on an KBL laptop and it did have the issue. Backport a patch can make the machine idle to C10.
commit 3ce093d4de753d6c92cc09366e29d0618a62f542 Author: Len Brown <len.br...@intel.com> Date: Wed Apr 6 17:00:59 2016 -0400 intel_idle: Add KBL support KBL is similar to SKL Signed-off-by: Len Brown <len.br...@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wyso...@intel.com> Please test the Xenial kernel: http://people.canonical.com/~khfeng/lp1672439/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1672439 Title: No C-State Deeper than C3 utilized by Kaby Lake 7820HQ in Precision 5520 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1672439/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs