I also have this issue on my Asus M5A99X EVO motherboard with a AMD FX-4100 CPU; Ubuntu 16.10 and kernel version 4.8.0-46-generic.
I also have this issue on my Asus M5A99X EVO motherboard with a AMD FX-4100 CPU; Ubuntu 16.10 and kernel version 4.8.0-46-generic.