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Date:      Sat, 28 Dec 1996 16:55:56 -0600
From:      Randy DuCharme <randyd@nconnect.net>
To:        Steve Passe <smp@csn.net>
Cc:        smp@freebsd.org
Subject:   Re: starting 2nd cpu
Message-ID:  <32C5A57C.41C67EA6@nconnect.net>
References:  <199612282201.PAA20854@clem.systemsix.com>

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Steve Passe wrote:
> 
> Hi,
> 
> > I think I'm a bit confused as to what exactly it is I need to enable
> > SMP.  I've gotten the SMP sources via sup (cvsup) as per
> > http://www.freebsd.org/~fsmp/smp.html.  I've also cvsupped the entire
> > 3.0 source tree and, while this eliminated the 'bad register name'
> > errors, and allowed me to build the kernel, rebooting and doing (single,
> > or multi-user) a sysctl -w kern.smp_active=2 returns "unknown oid
> > 'kern.smp_active'.  Please forgive me if this is a really stupid
> > question, but... just what tree(s) exactly do I need to grab??
> 
> I think you just failed to add "options SMP" to your kernel config file.
> 
> --
> Steve Passe     | powered by
> smp@csn.net     |            FreeBSD

Hi Steve,

Here,s my config file....


#	$Id: ARABIAN_SMP, v 1.0.0 1996/12/26  rdd Exp $

machine		"i386"
cpu		"I586_CPU"
ident	        ARABIAN_SMP	
maxusers	10

options		INET			#InterNETworking
options		FFS			#Berkeley Fast Filesystem
options		NFS			#Network Filesystem
options		"CD9660"		#ISO 9660 Filesystem
options		PROCFS			#Process filesystem
options		"COMPAT_43"		#Compatible with BSD 4.3 [KEEP THIS!]
options		UCONSOLE		#Allow users to grab the console
#options		FAILSAFE		#Be conservative
options		USERCONFIG		#boot -c editor
options		VISUAL_USERCONFIG	#visual boot -c editor

options		"MAXMEM=98284"		
options		"AUTO_EOI_1"
options		"AUTO_EOI_2"
options 	CHILD_MAX=128
options		OPEN_MAX=128
options		SMP
options		NCPU=2

config		kernel	root on sd1

controller	isa0
controller	pci0

controller	fdc0	at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk		fd0	at fdc0 drive 0
disk		fd1	at fdc0 drive 1

controller	ahc0

controller	scbus0
device		sd0
device		st0
device		cd0	#Only need one of these, the code dynamically grows

# syscons is the default console driver, resembling an SCO console
device		sc0	at isa? port "IO_KBD" tty irq 1 vector scintr
# Enable this and PCVT_FREEBSD for pcvt vt220 compatible console driver
#device		vt0	at isa? port "IO_KBD" tty irq 1 vector pcrint
#options		PCVT_FREEBSD=210	# pcvt running on FreeBSD >= 2.0.5
#options		XSERVER			# include code for XFree86
#options		FAT_CURSOR		# start with block cursor

# Mandatory, don't remove
device		npx0	at isa? port "IO_NPX" iosiz 0x0 flags 0x0 irq 13 vector
npxintr

device		sio0	at isa? port "IO_COM1" tty irq 4 vector siointr
device		sio1	at isa? port "IO_COM2" tty irq 3 vector siointr

device		lpt0	at isa? port? tty

# Order is important here due to intrusive probes, do *not* alphabetize
# this list of network interfaces until the probes have been fixed.
# Right now it appears that the ie0 must be probed before ep0. See
# revision 1.20 of this file.
device de0


controller	snd0
device pas0	at isa? port 0x388 irq 10 drq 6 vector pasintr
device sb0	at isa? port 0x220 irq 7 conflicts drq 1 vector sbintr 

pseudo-device	loop
pseudo-device	ether
pseudo-device	log
pseudo-device	sl	1
# ijppp uses tun instead of ppp device
#pseudo-device	ppp	1
pseudo-device	tun	1
pseudo-device	pty	16
pseudo-device	gzip		# Exec gzipped a.out's

# KTRACE enables the system-call tracing facility ktrace(2).
# This adds 4 KB bloat to your kernel, and slightly increases
# the costs of each syscall.
#options		KTRACE		#kernel tracing


It's definitely in there.  Any other ideas?

Thanks

Randy



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