Re: Turion 64 X2 support in future versions of FreeBSD.

[John Baldwin <jhb_(_at_)_freebsd_(_dot_)_org>]

On Tuesday 11 July 2006 17:16, Michael wrote:
> On 12/07/06, John Baldwin <jhb_(_at_)_freebsd_(_dot_)_org> wrote:
> >
> > No obvious breakages.  Hmm, does ACPI work fine if you disable apic 
via 'set
> > hint.apic.0.disabled=1' in the loader?  (When you disable ACPI on amd64 
you
> > also implicitly disable APIC.)
> 
> it works fine (no slowing), but i see no second CPU in top output,
> here dmesg command output (very strange though, since it include
> strings from previous sessions):

Yes, APIC is required for SMP, but I wanted you to do the test for comparison 
purposes.  Another test you could try is leaving ACPI and APIC enabled and 
just disabling SMP via 'kern.smp.disabled=1' at the loader to see if the 
slow-down only comes from having both cores enabled.

-- 
John Baldwin
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