Maybe I'm being blind here, or just plain dumb - but I cannot
	seem to get union mounts working on my NetBSD/sun3 (NetBSD/i386
	works fine).

	Both have kernels with options UNION, but the PC likes

	mkdir /tmp/mount ; mount_union /tmp/mount /usr/share/doc/

	while the sun3 complains

	mount_union: Operation not supported

	for the same command...

	Is there something obvious I'm missing? (help! :)

		abs

#	$NetBSD: GENERIC,v 1.23 1995/08/08 20:51:27 gwr Exp $

#
# GENERIC Sun3 (3/50, 3/60, 3/110, 3/160, 3/260)
# Supports root on: ie0, le0, sd*, ...
#

include "std.sun3"

# Machines to be supported by this kernel
options		GENERIC
#@ options 	FPU_EMULATE
options 	HAVECACHE		# Sun3/260 VAC

# Needs to be set per system.  i.e change these as you see fit
maxusers	32

# These are used ONLY when reading the hardware time/date clock.
options		TIMEZONE=0		# minutes west of GMT (for param.c)
options 	DST=0			# daylight savings rules (for param.c)

# Standard system options
options		SWAPPAGER, VNODEPAGER, DEVPAGER	# paging
options		KTRACE				# system call tracing support
#makeoptions	DEBUG="-g"			# symbols for kgdb + nm
#@ options		DDB
#@ options		SYMTAB_SPACE=111000

# Filesystem options
options 	NFSSERVER			# nfs server support
options 	NFSCLIENT			# nfs client support
options 	FFS				# ufs file system
#
#@ options		CD9660		# ISO 9660 + Rock Ridge file system
#@ options 	FDESC		# /dev/fd/*
options		FIFO		# FIFOs; RECOMMENDED
#@ options		KERNFS		# /kern
#@ options		NULLFS		# loopback file system
#@ options 	PROCFS		# /proc
options 	UNION		# union file system

# Networking options
options		INET				# IP prototol stack support
# XXX - Work-around for slow SunOS/Sun3 servers (sigh...)
#@ options 	NFS_BOOT_RWSIZE=1024

# Compatability options
#@ options		COMPAT_SUNOS	# can run SunOS 4.1.1 executables
#@ options		COMPAT_09	# NetBSD 0.9,
#@ options		COMPAT_10	# NetBSD 1.0,
options		COMPAT_43	# and 4.3BSD
options		TCP_COMPAT_42	# TCP bug compatibility with 4.2BSD

# Sun3-specific debugging options
#@ options 	CONTEXT_DEBUG
#@ options 	PMAP_DEBUG
#options 	VMFAULT_TRACE
#options 	SYSCALL_DEBUG
#@ options 	EXEC_DEBUG
#@ options 	DIAGNOSTIC
#@ options 	SCSIDEBUG

config		netbsd swap generic

# Devices

bwtwo0 at obmem0 addr ?
#@ cgtwo0 at vmes0 addr 0xff400000 level 4 vect 0xA8
#@ cgfour0 at obmem0 addr ?

ie0 at obio0 addr ? level ?
ie1 at vmes0 addr 0xffe88000 level 3 vect 0x75

#@ le0 at obio0 addr ? level ?

si0 at obio0 addr ? level ?
si0 at vmes0 addr 0xff200000 level 2 vect 0x40
#@ si1 at vmes0 addr 0xff204000 level 2 vect 0x41

scsibus* at scsi?

# Sun compatible scsi device mappings
#@ sd0 at scsibus? target 0 lun 0
#@ sd1 at scsibus? target 0 lun 1
#@ sd2 at scsibus? target 1 lun 0
#@ sd3 at scsibus? target 1 lun 1
sd* at scsibus? target ? lun ?

#@ st0 at scsibus? target 4 lun 0
#@ st1 at scsibus? target 5 lun 0
st* at scsibus? target ? lun ?

#@ cd0 at scsibus? target 6 lun 0
#@ cd* at scsibus? target ? lun ?

#ch* at scsibus? target ? lun ?

pseudo-device	loop	1		# network loopback
pseudo-device	bpfilter 8		# packet filter
#@ pseudo-device	sl	2		# CSLIP
pseudo-device	ppp	2		# PPP
pseudo-device	tun	2		# network tunneling over tty

pseudo-device	pty	64		# pseudo-terminals
#pseudo-device	vnd	4		# paging to files



 D.K.Brownlee@city.ac.uk (MIME) +44 171 477 8186  {post,host}master  (abs)
Network Analyst, UCS, City University, Northampton Square, London EC1V 0HB.
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