I have started hacking a little on a XMI-based machine I have, and I have
made some progress. BUT: By some strange reason I do not find what it is
that prevents DMA from the BI devices into main memory. If someone have
some ideas please tell me :-)

-- Ragge

Just for fun I also included the console printout :-)

Copyright (c) 1996, 1997, 1998, 1999, 2000
    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 1.5B (GENERIC) #418: Thu Jul  6 15:57:12 CEST 2000
    ragge@bakfull:/usr/home/ragge/work/nbsd/sys/arch/vax/compile/GENERIC

VAX 6000/420
total memory = 159 MB
avail memory = 143 MB
using 2073 buffers containing 8292 KB of memory
mainbus0 (root)
xmi0 at mainbus0
cpu0 at xmi0 node 1
cpu0: ka6400 (master) rev 13
cpu1 at xmi0 node 2
cpu1: ka6400 (slave) rev 8
mem0 at xmi0 node 6
mem0: MS62, rev 2, size 32MB
mem1 at xmi0 node 7
mem1: MS62, rev 2, size 32MB
mem2 at xmi0 node 8
mem2: MS62, rev 2, size 32MB
mem3 at xmi0 node 9
mem3: MS62, rev 2, size 32MB
mem4 at xmi0 node 10
mem4: MS62, rev 2, size 32MB
bi1 at xmi0 node 13
klesi at bi1 node 3 [sadr 204c0000 eadr 20500000] unsupported
ni0 at bi1 node 6: DEBNA
ni0: no response to set params
bi2 at xmi0 node 14
cibca at bi2 node 4 unsupported
ni1 at bi2 node 6: DEBNT
ni1: not undefined state

WARNING: you must update your boot blocks.

booted from type 0 unit 0 csr 0x0 adapter 0 slave 0
boot device: <unknown>
root device: