[Xen-users] netbsd domU cant find root device

["Don Park" <don.park@xxxxxxxxxxxx>]

Im trying to start a netbsd kernel as a domU using an ubuntu dom0 with
xen 2.0.7.

ive got a recent netbsd-XENU kernel from netbsd.org. ive untarred an
image onto a partition, although i dont think it matters much at this
point as the kernel isnt able to locate the partition.

xen config file:
name = "NETBSD_experiment"
kernel = "/boot/netbsd-xenu"
memory = 128
disk = [ 'phy:mapper/users-s341r,hda,w' ]
extra = "bootdev=xbd0d"

the extra= line seems to have no effect, nor does using hda1 or hda in
the disk= line.

any idea whats wrong? here are the bootup messages
************ REMOTE CONSOLE: CTRL-] TO QUIT ********
Loaded initial symtab at 0xc041f51c, strtab at 0xc044b940, # entries 11261
Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
   The NetBSD Foundation, Inc.  All rights reserved.
Copyright (c) 1982, 1986, 1989, 1991, 1993
   The Regents of the University of California.  All rights reserved.

NetBSD 3.0_STABLE (XENU) #0: Fri May 12 03:24:29 UTC 2006
       
riz@xxxxxxxxxxxxx:/home/builds/ab/netbsd-3/i386/200605110000Z-obj/home/builds/ab/netbsd-3/src/sys/arch/i386/compile/XENU
total memory = 124 MB
avail memory = 121 MB
mainbus0 (root)
cpu0 at mainbus0: (uniprocessor)
cpu0: AMD Athlon (686-class), 1999.80 MHz, id 0x681
cpu0: features c3cbfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR>
cpu0: features c3cbfbff<PGE,MCA,CMOV,PAT,PSE36,MPC,MMXX,MMX>
cpu0: features c3cbfbff<FXSR,SSE,3DNOW2,3DNOW>
cpu0: I-cache 64 KB 64B/line 2-way, D-cache 64 KB 64B/line 2-way
cpu0: L2 cache 256 KB 64B/line 16-way
cpu0: ITLB 16 4 KB entries fully associative, 8 4 MB entries fully associative
cpu0: DTLB 32 4 KB entries fully associative, 8 4 MB entries 4-way
cpu0: 8 page colors
hypervisor0 at mainbus0
debug virtual interrupt using event channel 2
misdirect virtual interrupt using event channel 0
Domain controller: using event channel 1
xencons0 at hypervisor0: Xen Virtual Console Driver
xencons0: console major 143, unit 0
Initialising Xen virtual ethernet frontend driver.
npx0 at hypervisor0: using exception 16
Xen clock: using event channel 3
raidattach: Asked for 8 units
Kernelized RAIDframe activated
crypto: assign driver 0, flags 2
crypto: driver 0 registers alg 1 flags 0 maxoplen 0
crypto: driver 0 registers alg 2 flags 0 maxoplen 0
crypto: driver 0 registers alg 3 flags 0 maxoplen 0
crypto: driver 0 registers alg 4 flags 0 maxoplen 0
crypto: driver 0 registers alg 5 flags 0 maxoplen 0
crypto: driver 0 registers alg 17 flags 0 maxoplen 0
crypto: driver 0 registers alg 6 flags 0 maxoplen 0
crypto: driver 0 registers alg 7 flags 0 maxoplen 0
crypto: driver 0 registers alg 15 flags 0 maxoplen 0
crypto: driver 0 registers alg 8 flags 0 maxoplen 0
crypto: driver 0 registers alg 16 flags 0 maxoplen 0
crypto: driver 0 registers alg 9 flags 0 maxoplen 0
crypto: driver 0 registers alg 10 flags 0 maxoplen 0
crypto: driver 0 registers alg 13 flags 0 maxoplen 0
crypto: driver 0 registers alg 14 flags 0 maxoplen 0
crypto: driver 0 registers alg 11 flags 0 maxoplen 0
crypto: driver 0 registers alg 18 flags 0 maxoplen 0
xennet0 at hypervisor0: Xen Virtual Network Interface
xennet0: using event channel 4
xennet0: MAC address aa:00:00:5a:fe:83
xbd: using event channel 5
xbd0 at hypervisor0: Xen Virtual Block Device 9984 MB
Searching for RAID components...
boot device: xbd0
root on xbd0d dumps on xbd0b
mountroot: trying smbfs...
mountroot: trying coda...
mountroot: trying msdos...
mountroot: trying cd9660...
mountroot: trying ntfs...
mountroot: trying nfs...
mountroot: trying lfs...
mountroot: trying ext2fs...
mountroot: trying ffs...
no file system for xbd0 (dev 0x8e03)
cannot mount root, error = 79
root device (default xbd0d):

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