On Monday 26 April 2010 5:59:19 am oklahoma wrote:
> Hubert Tournier wrote:
> >
> > I forgot to specify that the system is a remote dedicated server, for
which
> > i have no physical access.
> >
> > I could rent a virtual KVM in order to try to access its BIOS settings,
but
> > i'm not sure this would work.
> >
> > Any other software solution?
> if the server is dedicated entirely to you, ask your colo support to
> disable it for you.
> other thing i find was
>
> machdep.hlt_cpus
>
> is suppose to tell the scheduler that there is extra cores but not to use
them.
> try to enable and see with top is there app that use logical cores.
You can manually disable any CPU (except for the boot CPU), via
'hint.lapic.X.disabled=1' in loader.conf. You can find the APIC IDs to use in
place of 'X' in dmesg.
--
John Baldwin
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