> loadbsd doesn't work, I have to use gobsd. When I disable sync, the first
> harddisk (Quantum Fireball, containing NetBSD) is not detected. So I'm
> rather restricted at this point. And if it had something to do with
> (a)synchronos transfer, I doubt I could mount all my partitions and use
> them. It is really just fsck that fails.

boot to singleuser-mode, fsck -f the partitions in question, then reboot.
Tell if it helped.

	-is