Don't recognizing SMP...

Wilko Bulte wb at freebie.xs4all.nl
Tue Apr 8 12:10:56 UTC 2008


Quoting Jase Thew, who wrote on Tue, Apr 08, 2008 at 12:27:02PM +0100 ..
> Alexander Sack wrote:
> >On Tue, Apr 1, 2008 at 5:43 AM, Andrei Kolu <antik at bsd.ee> wrote:
> >>On Monday 31 March 2008 12:31:49 ??? wrote:
> >> > I installed FreeBSD 7.0 on HP DL 380.
> >> >
> >> > This is a mptable result.
> >> >
> >> > > # mptable
> >> > > Processors:     APIC ID Version State           Family  Model   Step
> >> > > Flags 0       0x14    BSP, usable     6       2       1       0x0381 
> >> 6
> >> > >    0x14    AP, usable      15      2       9       0xbfebfbff
> >> >
> >> > 2 way cpus are same as 3.0GHz Xeon CPU. But they have different
> >> > Family, Step, and Flags.
> >> >
> >> SMP does NOT work with cpus with different steppings. You should find 
> >> other
> >> matching pair for smp to work.
> >
> >Then this needs to be FIXED because MANY OEMs ship mixed stepping
> >processors as Intel now supports it....
> >
> 
> But does Intel support mixing different families and models? I was under 
> the impression that as long as the families and models were the same, 
> the stepping can be different.

I think it is not as black/white as that: some steppings are OK in a mix,
others are not.

-- 
Wilko Bulte				wilko at FreeBSD.org


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