On Fri, 30 Jun 2017 00:05:52 -0400 "Yves Bellefeuille" <yan at storm.ca> wrote: > James A. Peltier <jpeltier at sfu.ca> wrote: > > > While I can't assure you that upgrading to 7 will fix the problem, > > the likeliness that will work is at least 50% better being as 7 is > > based on a newer kernel. > > I've installed CentOS 7 with the latest kernel from elrepo (4.11.8), > and I can't get Grub to install. I think I'll have to conclude that it > really doesn't work with Ryzen. :-( I have a Desktop system With both Centos 6 and Centos 7 on it, and it works fine with my Ryzen 1700X cpu. Centos 6 preexisten on the system before I upgraded it to Ryzen, Centos 7 was installed with Ryzen. Never had any problems. Allan.