Re: Automatically installing an SMP kernel on AMD64 SMP machines
On Thu, Apr 06, 2006 at 12:06:15AM +0200, Aurelien Jarno wrote:
> As told to some of us on IRC, I have installed a Debian on a dual
> dual-core Opteron machine, using the graphical installer (but the
> problem does not look specific to it).
>
> The installed kernel was the k8 one, but a non-SMP kernel. Frans Pop
> told me that's there is currently no known method to detect the number
> of processors.
>
> dmidecode seems to be able to give some hints. I have attached the
> corresponding part in the output of dmidecode. The two processors
> explicitly appears there, the fact that they are dual-core processors
> is probably detectable with the line:
>
> HTT (Hyper-threading technology)
Hyperthreading has nothing to do with dual core. Hyperthreading is SMT
not SMP. It's dual thread, not dual core/processor.
> Don't hesitate if you need some tests to be run. However, I am afraid I
> won't be able to test a new install on this machine, as it will be used
> soon. I could give a try with QEMU though.
Dualcore amd's seem to need 2.6.12+ kernel to work right. 2.6.8
apparently has issues with them.
Len Sorensen
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