Compaq Proliant 1600 & SMP

Paul J. White pjwhite at
Mon Jun 28 14:43:17 PDT 2004

I have a 1500R, not a 1600, and I'm not familiar with the 5.x branch, but 
if it's the same as 4.9, the conf file format is:

options         SMP                     # Symmetric MultiProcessor Kernel
options         APIC_IO                 # Symmetric (APIC) I/O

... where you have "device apic", instead of "options APIC_IO".
And my dmesg contains the following lines, where your dmesg doesn't seem to 
show any sign of APIC configuration or multiprocessor info:

Timecounter "i8254"  frequency 1193182 Hz
CPU: Pentium III/Pentium III Xeon/Celeron (598.41-MHz 686-class CPU)
   Origin = "GenuineIntel"  Id = 0x673  Stepping = 3
real memory  = 536870912 (524288K bytes)
avail memory = 518971392 (506808K bytes)
Changing APIC ID for IO APIC #0 from 0 to 8 on chip
Programming 35 pins in IOAPIC #0
IOAPIC #0 intpin 2 -> irq 0
FreeBSD/SMP: Multiprocessor motherboard: 2 CPUs
  cpu0 (BSP): apic id:  1, version: 0x00040011, at 0xfee00000
  cpu1 (AP):  apic id:  0, version: 0x00040011, at 0xfee00000
  io0 (APIC): apic id:  8, version: 0x00220011, at 0xfec00000
Preloaded elf kernel "kernel" at 0xc03c1000.
Pentium Pro MTRR support enabled

-- Paul White

At 15:27 2004-06-28 -0600, Ryan Sommers wrote:
>I'm attempting to run 5.2-RELEASE (downloaded the latest RELENG_5_2 last
>on a Compaq Proliant 1600 w/ Dual 350mhz processors. Runs fine with the
>exception that
>the OS only seems to be recognizing a single processor. I have compiled a
>with SMP and APIC but still doesn't seem to show more than the single
>Any ideas?
>Ryan Sommes
>ryans at
>freebsd-smp at mailing list
>To unsubscribe, send any mail to "freebsd-smp-unsubscribe at"

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