[clug] Ryzen processors and CentOS - and a for sale kernel

Scott Ferguson scott.ferguson.clug at gmail.com
Sun Oct 22 06:37:05 UTC 2017

On 22/10/17 15:50, George at Clug via linux wrote:
> Paul,
> Sounds very nice.
> Is that a Ryzen 5, 7, or Threadripper ?
> How may cores/threads ?
> Kernel version 4.10, you say ... a bit sad for standard Debian
> builds...
> https://wiki.debian.org/DebianStretch#Packages_.26_versions
> DebianStretch
> It is the current stable distribution, released 2017-06-17.
> kernel : Linux 4.9

*Don't worry* - support for the Zen CPU topography has been backported
to Stretch 4.9.x series linux-images. Jessie-backports should also work.

However - if you require support for Realtek ALC1220 audio chip you need
a 4.11+ series kernel(*1), and if you want support for multi-IOMMU, then
you are going to have to wait a bit longer.

(*1) or either:-

**compile your own backported kernel (good luck, you need to change GCC
version support)

**or (recommended for desktop machines) use Steve Pusser's backported
4.13.0-7.2 Liquorix kernel:-
cat /etc/apt/sources.list.d/liquorix.list
# wget -nv
-O Release.key&&apt-key add - < Release.key&&apt-get update

** use one of the backported Stretch kernels e.g.:-
apt-cache search linux-image | grep bpo
linux-image-4.12.0-0.bpo.2-686 - Linux 4.12 for older PCs
linux-image-4.12.0-0.bpo.2-686-pae - Linux 4.12 for modern PCs
linux-image-4.12.0-0.bpo.2-amd64 - Linux 4.12 for 64-bit PCs


Kind regards

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