Great, thanks for reaching out, I think I identified the patch that fixes it, I am currency building the patched version as I am not certain when new release will be cut! :-) New to the project and all, I am sure you know the drill! 
--
Best regards / S pozdravem,
BSc. Mark Stopka, BBA
Managing Partner (at) PERLUR Group

mobile: +420 704 373 561
website: www.perlur.cloud


On Mon, Nov 16, 2020 at 2:02 PM Robert Scheck <bird@robert-scheck.de> wrote:
Hello Mark,

On Mon, 16 Nov 2020, Mark Stopka wrote:
> Has anybody looked into that? Fedora "solved it" by simply disabling tests
> for s390x architecture, Debian and Ubuntu don't build Bird for s390x...

...Fedora here! According to my tests, BIRD 2.0.8 should have this fixed
(it's already fixed in Git according to my last tests a few months ago),
thus I didn't bother with it, yet.


Regards,
  Robert