8-core server

Kris Kennaway kris at FreeBSD.org
Fri Sep 28 01:13:44 PDT 2007


Claus Guttesen wrote:
> Hi.
> 
> Upgraded our 4-core to an 8-core.
> 
> Part of dmesg:
> 
> FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs
>  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
> 
> But then it says:
> 
> SMP: AP CPU #1 Launched!
> SMP: AP CPU #2 Launched!
> SMP: AP CPU #3 Launched!
> SMP: AP CPU #4 Launched!
> SMP: AP CPU #7 Launched!
> SMP: AP CPU #5 Launched!
> SMP: AP CPU #6 Launched!
> 
> Are some of the cores disabled or did they just take a walk? :-) This
> is on current from Mon Sep 24 2007.
> 

I see the extra 7 cores being launched correctly, what is the problem?

Kris



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