Samuel Verschelde

I know this. But it's important. It means the initial ramdisk is unable to see your boot partition. Might be a driver missing from the initrd, or something else (could...

You might also want to look for clues in the installer logs in `/var/log/installer`. Maybe something wrong happened during the upgrade.

What's the advantage of doing it in the installer rather than post install?

Is there anything in the output of `dmesg` and in other logs such as `daemon.log`?

The logs give the backtrace so you may want to explore the code of xen-api at https://github.com/xapi-project/xen-api/, choosing the tag that corresponds to the version of the `xapi` RPM in...

If you have the opportunity to test it with XenServer 7.6, that would allow us to know if the problem is specific to XCP-ng or not, and if it isn't...

Also, I haven't asked, but that mellanox card is not used as the management interface of the host, is it?

Disclaimer: I have never used SR-IOV myself. I don't know about the state in recent releases of XenServer (and thus XCP-ng), however this article says "The setup procedure requires that...

About mellanox not being in the HCL, this means that we probably won't be able to raise a bug to bugs.xenserver.org. It could work, or it could not. What's certain...

Now that XCP-ng 8.1 has been released, could you test it?