On 2008/10/22 16:23, Ingo Molnar <mingo@elte.hu> wrote:
> ah, Compaq - how many CPUs does that box support? If it's 8 or more then 
> perhaps they turned off the real local APIC, fudged some chipset glue to 
> emulate APIC functionality and thus were able to use 8 or more of these 
> chips? The built-in lapic would only go up to 4 CPUs. (or maybe even 
> just up to dual, depending on the model)

No, it's a rather small ProLiant server.  2 physical CPUs, maybe it
supports up to 4, but no more (each with HT).  I have attached its
dmesg.

Max