On Tue, Aug 12, 2003 at 08:33:57PM -0500, Cagle, John (ISS-Houston) wrote:
> I think the valid settings are only 0 or 1, with the default being 1
> which will disable all logical CPUs.  If you want to enable the extra
> logical CPUS, then set it to 0 (zero).  They will come online
> immediately.

<please don't top-post; it makes following threads difficult>

That can't be right.  I've never done anything to configure the logical
cpus on mine; they just showed up unexpectedly when i switched from
stable to current.  Now I have:

slytherin ttyp1:hawk>sysctl -a |  grep cpu
kern.threads.virtual_cpu: 4
kern.ccpu: 1948
kern.smp.cpus: 4
hw.ncpu: 4
machdep.cpu_idle_hlt: 1
machdep.hlt_cpus: 10
machdep.hlt_logical_cpus: 1
machdep.logical_cpus_mask: 10


It launches four logical cpus all on it's own.  It did panic during
shutdown yesterday; If I read the messages right as it flashed by, it
was because cpu#2 got the shutdown order.

hawk

-- 
Richard E. Hawkins, Asst. Prof. of Economics    /"\   ASCII ribbon campaign
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