Re: SMP kernel, only single processor appears (fwd)

[Zwane Mwaikambo]

On Thu, 15 Jan 2004, Gaspar Bakos wrote:

> Hi,
>
> I have an Intel 7505VB2 dual Xeon motherboard with 2x2.66GHz CPUs, Redhat
> 9.0 and self-compiled 2.4.23 kernel. Interestingly, I see only one CPU
> with e.g. "top", or cat /proc/cpuinfo, etc.
>
> I have to tell though that I installed this system by cloning the disk of
> another PC, which is running a single processor; then booting in the dual
> processor computer from the cloned disk (with a bootfloppy), and then
> recompiling the kernel (and rebooting to the new SMP enabled kernel).
> Seems to me that this is not enough, and I might have missed something.
>
> Any advice would be welcome.

This looks like you have 2 physical processors. Perhaps you don't have
hyperthreading enabled, i presume you want 4 logical processors. Try the
"acpi=ht" kernel parameter.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/