Posted on 2023/06/14 by Justin Sherrillnvme(4) update you don’t want to see the nvme(4) driver now prints a detailed message about I/O errors. It’s great that it does that, hope you never see it.
Has Hammer2 been successfully ported to OpenBSD?
https://github.com/kusumi/openbsd_hammer2
Why not ask the person who created that repository you linked to?