Why does FreeBSD 8.-0 think that my Dell SX260 have "non-unform processors"?

Torfinn Ingolfsen torfinn.ingolfsen at broadpark.no
Tue Dec 22 23:41:32 UTC 2009


On Mon, 21 Dec 2009 21:21:45 +0000 (GMT)
Gavin Atkinson <gavin at FreeBSD.org> wrote:

> Can you please reboot and show a verbose dmesg from this system?

Yes, it is there[1] now. :-)

> Also, how many CPUs does this system actually have?  It appears that
> in the 7.2 dmesg at 2) above, two are detected but only one is ever
> used - are you explicitly disabling hyperthreading somehow?

It has one Pentium 4 cpu.
Hyperthreading was disabled in bios, it is enabled now:
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FreeBSD 7.2-STABLE #6: Sun Oct 11 11:14:33 CEST 2009
    root at kg-work2.kg4.no:/usr/obj/usr/src/sys/SX270
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Pentium(R) 4 CPU 2.60GHz (1295.21-MHz 686-class CPU)
  Origin = "GenuineIntel"  Id = 0xf29  Stepping = 9
  Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FX
SR,SSE,SSE2,SS,HTT,TM,PBE>
  Features2=0x4400<CNXT-ID,xTPR>
  Logical CPUs per core: 2
real memory  = 2145849344 (2046 MB)
avail memory = 2090192896 (1993 MB)
ACPI APIC Table: <DELL   SX260  >
FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs
 cpu0 (BSP): APIC ID:  0
 cpu1 (AP/HT): APIC ID:  1
ioapic0: Changing APIC ID to 2
ioapic0 <Version 2.0> irqs 0-23 on motherboard
kbd1 at kbdmux0
acpi0: <DELL SX260  > on motherboard


References:
1) http://sites.google.com/site/tingox/sx260_freebsd

-- 
Torfinn



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