Custom pve-kernel fails due to private git repo

Hi,

the canonical URL for all our git repositories is: https://git.proxmox.com/
The GitHub organization is a read-only mirror and not all repositories are mirrored there, nor are there guarantees for that.

The repository you need is present there, no private repositories involved.
 
Ah, thanks. Might make sense to use explicit URLs in the submodules in the kernel repo as the mirror otherwise fails to build due to the missing submodules at the relative URLs.