[CentOS] CentOS 9 Stream on Workstation with Ver. 1 x86_64 cpu

Mon Sep 5 15:07:01 UTC 2022
Fabian Arrotin <arrfab at centos.org>

On 05/09/2022 16:15, Mike wrote:
> Hello All,
> 
> RHEL9 deprecated version 1 x86_64 cpus.  My old testbench HP workstation
> has such a version 1 cpu. I've tested install of Rocky Linux 9 and
> CentOS9Stream but no go upon reboot after install -- kernel panic.
> 
> Is there a way to recompile the kernel to handle the legacy cpu after
> install -- via some other live cd, perhaps?
> 
> Due to the fact I can't reboot after install, I'm not able to build a
> kernel using the following:
> https://wiki.centos.org/HowTos/Custom_Kernel
> 
> Sidenote: I'd also like to include support for btrfs too, but first things
> first.
> 
> Thank you.

To keep a long story short : don't even try :)

Worth reading : 
https://developers.redhat.com/blog/2021/01/05/building-red-hat-enterprise-linux-9-for-the-x86-64-v2-microarchitecture-level

So it's not only kernel but the whole userland and glibc (and others) 
that would need to be recompiled, so basically rebuilding the whole 
distro ...

-- 
Fabian Arrotin
The CentOS Project | https://www.centos.org
gpg key: 17F3B7A1 | twitter: @arrfab
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