[CentOS] Intel DG33BU motherboard

Tue Feb 3 11:06:53 UTC 2009
Paolo Supino <paolo.supino at gmail.com>

Hi Peter

  I tried that and it the result is the same: Linux only finds, initializes
and uses only 1 core ... :-( Is there anything else I can try to have Linux
initialize all 4 cores?







--
TIA
Paolo



On Tue, Feb 3, 2009 at 12:44 PM, Peter Kjellstrom <cap at nsc.liu.se> wrote:

> On Tuesday 03 February 2009, Paolo Supino wrote:
> > Hi
> >
> >   I've installed CentOS 5.2 (i386) in a computer with a DG33BU
> motherboard
> > ... When I installed it it crashed because of ACPI issues. Searching
> Google
> > I found that I need to turn ACPI off in order to successfully install
> > CentOS, which I did.
> >   After a while I noticed that because of ACPI is off the Linux kernel
> > finds, initializes and uses only 1 CPU core in the Q6600 quad core CPU
> that
> > is installed in this computer :-(
> > How can I force it to find, initialize and use all the 4 cores in the
> > computer even if ACPI is off?
>
> Try to leave ACPI on and boot with "pci=nommconf" instead. This works on my
> DG33 (mine is a TL not a BU though).
>
> /Peter
>
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