Re: Re: smp falls back to up mode on quad core

["Julian Echave" <julian.echave@xxxxxxxxx>]

Indeed, it does default to on. I left it explicitly ncpi=on as a reminder that it MUST be on for the four cpus to be seen.

On Wed, May 28, 2008 at 12:33 PM, Scott Silva <ssilva@xxxxxxxxxxxx> wrote:

on 5-28-2008 8:09 AM Julian Echave spake the following:

Solved it!
After quite a lot of messing around...
It turns out i was booting with the acpi=off option, but for the BIOS to see the 4 processors acpi has to be on.
The problem was that with acpi=on, boot hangs, unless pci=nommconf is added to the boot options.

To summarize,

I now boot using the options

acpi = on pci=nommconf

Thanks.

Julian.

Doesn't acpi default to on? So you "should" be able to just have pci=nommconf.


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