Date: Mon, 22 Feb 1999 22:19:14 -0800 (PST) From: Andrew Sparrow <spadger@best.com> To: smp@freebsd.org Cc: chuckr@mat.net, jason@intercom.com Subject: Re: SMP problems Message-ID: <199902230619.WAA18621@shell7.ba.best.com>
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> > This uses Intel PPros ? No cheating now ... not for SMP, you know, you
> > can't.
Really?
<Clears Throat>
Since when? I've been running SMP on a Micron W6Li dual-CPU 440-FX
socket 8 P6 board (fitted with 2x PPro166/512 o/clocked to 233Mhz)
since last March:
Copyright (c) 1992-1998 FreeBSD Inc.
Copyright (c) 1982, 1986, 1989, 1991, 1993
The Regents of the University of California. All rights reserved.
FreeBSD 3.0-CURRENT #1: Fri Jul 31 19:57:26 PDT 1998
spadger@best.com:/fs0/3.0-current/src/sys/compile/mega-SMP
Timecounter "i8254" frequency 1193182 Hz cost 3378 ns
CPU: Pentium Pro (686-class CPU)
Origin = "GenuineIntel" Id = 0x619 Stepping=9
Features=0xfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV>
real memory = 134217728 (131072K bytes)
avail memory = 127340544 (124356K bytes)
FreeBSD/SMP: Multiprocessor motherboard
cpu0 (BSP): apic id: 1, version: 0x00040011, at 0xfee00000
cpu1 (AP): apic id: 0, version: 0x00040011, at 0xfee00000
io0 (APIC): apic id: 2, version: 0x00170011, at 0xfec00000
Probing for devices on PCI bus 0:
chip0: <Intel 82440FX (Natoma) PCI and memory controller> rev 0x02 on pci0.0.0
chip1: <Intel 82371SB PCI to ISA bridge> rev 0x01 on pci0.7.0
ide_pci0: <Intel PIIX3 Bus-master IDE controller> rev 0x00 on pci0.7.1
chip2: <Intel 82371SB USB host controller> rev 0x01 int d irq 19 on pci0.7.2
ahc0: <Adaptec aic7880 Ultra SCSI host adapter> rev 0x00 int a irq 18 on pci0.8.
0
ahc0: aic7880 Wide Channel, SCSI Id=7, 16/255 SCBs
<...>
APIC_IO: Testing 8254 interrupt delivery
APIC_IO: routing 8254 via pin 2
changing root device to sd0s2a
SMP: AP CPU #1 Launched!
If you check the list archives, I believe that you'll see my
post there that said 'W6Li works for me!' - because I couldn't
see any reference to these boards before I bought one and tried
it myself... :=)
Incidentally, this board has a single 128Mb ECC EDO DIMM fitted.
Which was recognised by FreeBSD from the word go, IIRC.
> Uses genuine Intel Pentium Pro's... didn't know there was any other
> cpu that fit in a socket 8 zif slot.
Well, apart from a Pentium II Overdrive, there isn't :-)
Jason, what BIOS version do you have? The 4.05 and 4.06 have an
option to switch between versions 1.1 and 1.4 of the Intel
Multi-Processor spec. The "Getting Started with SMP" web page
(http://www.freebsd.org/~fsmp/SMP/getstarted.html) advised to use
v1.4 in preference to 1.1. If you've got a really old BIOS, you
might want/need to flash in a newer image. (My board came with a
4.06 BIOS installed).
Certainly with 3.0-CURRENT, I never had a moment's problem, just
installed a snap, CVSsup'd -current and kept doing that until there
weren't any problems that bothered me. It's been rock-solid for me
since July (keep meaning to do the ELF conversion etc, but
everything works sooo nicely ;-)
Let me know if you still have trouble, I might get around to
installing a 2nd drive and checking out the latest OS sometime
soon - if nothing else, I can send you BIOS settings etc. that
work for me.
Cheers,
AS
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