Re: ARM PAC on koji vs COPR

[Stephen Smoogen]

On Wed, 3 Jan 2024 at 15:01, Miroslav Suchý <msuchy(a)redhat.com&gt; wrote:

>  Dne 03. 01. 24 v 14:46 Jarek Prokop napsal(a):
>
>  4. Why do koji and copr have CPU flag set that differs so much? Is our
>  koji infra OK?
>
>  For convenience of readers:
>
>  Koji:
>  Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp
>  cpuid asimdrdm lrcpc dcpop asimddp ssbs
>
>  Copr:
>  Flags: fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm
> jscvt fcma lrcpc dcpop sha3 sm3 sm4 asimddp sha512 sve asimdfhm dit uscat ilrcpc flagm
> ssbs paca pacg dcpodp svei8mm svebf16 i8mm bf16 dgh rng
>
>  In Copr we use c7g.xlarge type from AWS as ARM builders. So if you spawn this machine in
> AWS you should be able to reproduce.
>
>  
My information may be old, but I believe the Fedora systems will be mostly
virtual machines running on Ampere systems from 2-3 years ago. I think
there are a couple of other systems which may be in usage also. The AWS
systems are a newer generation and different chipset. Another issue is that
ARM like Intel systems may be of the same generation but have different
flags.



>  Side note - hopefully in next release Copr will have functionality
> that will allow you to SSH to host with the failed build
> https://github.com/fedora-copr/copr/pull/2977 But that will take few weeks. :(
>
>  --
>  Miroslav Suchy, RHCA
>  Red Hat, Manager, Packit and CPT, #brno, #fedora-buildsys
>
>  --
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-- 
Stephen Smoogen, Red Hat Automotive
Let us be kind to one another, for most of us are fighting a hard battle.
-- Ian MacClaren