8.1-PRERELEASE: CPU packages not detected correctly

[pluknet]

On 14 July 2010 18:14, Oliver Fromme <olli at lurza.secnetix.de> wrote:
> In a machine installed yesterday, 8.1-PRERELEASE doesn't
> seem to detect the number of CPU packages vs. cores per
> package correctly:
>
>  | FreeBSD 8.1-PRERELEASE-20100713 #0: Tue Jul 13 19:51:18 UTC 2010
>  | [...]
>  | CPU: Intel(R) Xeon(R) CPU           L5408  @ 2.13GHz (2133.42-MHz K8-class CPU)
>  |   Origin = "GenuineIntel"  Id = 0x1067a  Family = 6  Model = 17  Stepping = 10
>  |   Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
>  |   Features2=0x40ce3bd<SSE3,DTES64,MON,DS_CPL,VMX,EST,TM2,SSSE3,CX16,xTPR,PDCM,DCA,SSE4.1,XSAVE>
>  |   AMD Features=0x20000800<SYSCALL,LM>
>  |   AMD Features2=0x1<LAHF>
>  |   TSC: P-state invariant
>  | real memory  = 34359738368 (32768 MB)
>  | avail memory = 33151377408 (31615 MB)
>  | ACPI APIC Table: <IBM    SERBLADE>
>  | FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
>  | FreeBSD/SMP: 1 package(s) x 8 core(s)
>  |  cpu0 (BSP): APIC ID:  0
>  |  cpu1 (AP): APIC ID:  1
>  |  cpu2 (AP): APIC ID:  2
>  |  cpu3 (AP): APIC ID:  3
>  |  cpu4 (AP): APIC ID:  4
>  |  cpu5 (AP): APIC ID:  5
>  |  cpu6 (AP): APIC ID:  6
>  |  cpu7 (AP): APIC ID:  7
>  | ioapic1 <Version 2.0> irqs 24-47 on motherboard
>  | ioapic0 <Version 2.0> irqs 0-23 on motherboard
>
> I'm pretty sure that this is a 2 x 4 machine (2 CPU packages
> with 4 cores per package), not 1 x 8.  That's what the BIOS
> displays during POST.
>

Hi, can you show kern.sched.topology_spec ?
It would clarify things a bit.

-- 
wbr,
pluknet