tcarlson@myback40.com wrote:

> Booting...
> Magic numbers do not match -- improper UFS partition
> Could not open kernel "netbsd"

Ah, okay, I see it's a message of the Booter on MacOS.

Could you try to boot netbsd-GENERICSBC kernel on MacOS partition
with a disk with the problematic UFS partition?

If it doesn't work, could you check what "disklabel sd0"
shows on the first boot after installation?

I tried to boot netbsd-GENERIC kernel from /dev/sd0a created
by MacOS Mkfs on my LC630 and there is no problem even after
"mount -u -w /".
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Izumi Tsutsui