[Xen-users] NetBSD dom0 / LVM backed

[Ben C <ben@xxxxxxxx>]

Ok, I am successful in getting a NetBSD dom0 (using 3.3.2) to install & 
boot Linux PV domu's .. but only using file backed disks.
From the NetBSD site:
# VDEV doesn't really matter for a NetBSD guest OS (it's just used as an 
index),
# but it does for Linux.
# Worse, the device has to exist in /dev/ of domain0, because xm will
# try to stat() it. This means that in order to load a Linux guest OS
# from a NetBSD domain0, you'll have to create /dev/hda1, /dev/hda2, ...
# on domain0, with the major/minor from Linux :(
# Alternatively it's possible to specify the device number in hex,
# e.g. 0x301 for /dev/hda1, 0x302 for /dev/hda2, etc ...

I absolutely and utterly do not understand this.  I'm using NetBSD HEAD 
with LVM backed paritions, so with HVMs this has been fairly successful:
disk = [
        'phy:/dev/mapper/rvg00--Xen--Pool-Domu01,ioemu:hda,w',
]

But when trying with a pv, it fails to load the xenblk driver. (I guess, 
.. something goes wrong).
Any thoughts/clues/ideas?  I'm curious on how to get the "hex" for the 
device? Or what my next steps should be.
Thanks, Ben

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