From owner-freebsd-questions  Thu Dec 20 10:12:56 2001
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Date: Thu, 20 Dec 2001 13:12:49 -0500
From: devin-freebsdquestions@rintrah.org
To: Paul Warner <pwarner@dibinst.mit.edu>
Cc: freebsd-questions@freebsd.org
Subject: Re: warning: only one CPU active on in SMP kernel ?
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In-Reply-To: <00b801c188b6$4b7838c0$ef009a12@mit.edu>; from pwarner@dibinst.mit.edu on Wed, Dec 19, 2001 at 12:55:04PM -0500
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On Wed, Dec 19, 2001 at 12:55:04PM -0500, Paul Warner wrote:
> Hello,
> 
> I'm running FreeBSD 4.4 on a machine with the Intel motherboard L440GX+.  I have two Pentium III's and have the kernel compiled for smp.  But dmesg indicates that only one of the processors is running (see below).  I looked and both processors seem to be seated and connected identically, but only one is warm.
> 
> Any ideas?
> 
> Thanks,
> Paul
> 
> bash-2.05# dmesg
> 
> Copyright (c) 1992-2001 The FreeBSD Project.
> 
> Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
> 
> The Regents of the University of California. All rights reserved.
> 
> FreeBSD 4.4-RELEASE #1: Tue Dec 18 13:12:02 EST 2001
> 
> pwarner@hrst15.mit.edu:/usr/obj/usr/src/sys/CUSTOM
> 
> Timecounter "i8254" frequency 1193182 Hz
> 
> CPU: Pentium III/Pentium III Xeon/Celeron (696.41-MHz 686-class CPU)
> 
> Origin = "GenuineIntel" Id = 0x683 Stepping = 3
> 
> Features=0x387fbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CM OV,PAT,PSE36,PN,MMX,FXSR,SSE>
> 
> real memory = 536805376 (524224K bytes)
> 
> avail memory = 517750784 (505616K bytes)
> 
> Programming 24 pins in IOAPIC #0
> 
> IOAPIC #0 intpin 2 -> irq 0
> 
> FreeBSD/SMP: Multiprocessor motherboard
> 
> cpu0 (BSP): apic id: 0, version: 0x00040011, at 0xfee00000
> 
> io0 (APIC): apic id: 1, version: 0x00170011, at 0xfec00000
> 
> Preloaded elf kernel "kernel" at 0xc04aa000.
> 
> warning: only one CPU active on in SMP kernel ?
> 
> netsmb_dev: loaded
> 
> Pentium Pro MTRR support enabled
> 
> md0: Malloc disk
> 

What does your kernel config file look like?

--devin

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