[CentOS] recognizing correct number of cores on CPU
Peter Kjellstrom
cap at nsc.liu.se
Fri Jun 18 15:18:28 UTC 2010
On Friday 18 June 2010, Jerry Geis wrote:
> Peter Kjellstrom wrote:
...
> > More information would also be nice (like dmesg output).
> >
> > /Peter
> >
> >> I'd rather not go through the process again of putting a newer kernel
> >> on the machine and having something different out there than "stock"
> >> centos.
> >>
> >> Jerry
>
> more /proc/cpuinfo is showing:
> more /proc/cpuinfo
> processor : 0
> vendor_id : GenuineIntel
> cpu family : 6
> model : 37
> model name : Intel(R) Core(TM) i5 CPU M 430 @ 2.27GHz
...
> dmesg is :
>
> Linux version 2.6.18-194.3.1.el5 (mockbuild at builder10.centos.org) (gcc
> version 4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Thu May 13 13:08:30 EDT
> 2010 Command line: ro root=LABEL=/ rhgb quiet noapic acpi=off apci=off
I think this is the problem, acpi=off, that will (if I remember correctly)
essentially disable smp.
/Peter
> BIOS-provided physical RAM map:
...
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