Core Duo SMP Support issue

[Sam Currie]

I have now upgraded to 2.6.24-18-generic and I'm still having no luck
getting my second core online.

Can anyone shed any light on this problem please?

Thank you,

-Sam

2008/6/3 Sam Currie <sam.currie at gmail.com>:
> Hello everyone,
>
> I'm sorry if this has been covered, but I've been Googling for a good
> two hours now and I'm yet to find a solution.
>
> My problem is that I have noticed by Ubuntu 8.04 install is only using
> one core of my T5500 1.6 GHz CPU.  My machine is a Sony VGN-SZ32GP.
> After some hunting I found the following interesting message from
> dmesg, "SMP alternatives: switching to UP code".
>
> I can offer the following diagnostic info:
>
> A 'uname -a' spits out:
> Linux sony-lappy 2.6.24-17-generic #1 SMP Thu May 1 14:31:33 UTC 2008
> i686 GNU/Linux
>
> A 'cat /proc/cpuinfo' spits out:
> processor       : 0
> vendor_id       : GenuineIntel
> cpu family      : 6
> model           : 15
> model name      : Intel(R) Core(TM)2 CPU         T5500  @ 1.66GHz
> stepping        : 6
> cpu MHz         : 1000.000
> cache size      : 2048 KB
> physical id     : 0
> siblings        : 1
> core id         : 0
> cpu cores       : 1
> fdiv_bug        : no
> hlt_bug         : no
> f00f_bug        : no
> coma_bug        : no
> fpu             : yes
> fpu_exception   : yes
> cpuid level     : 10
> wp              : yes
> flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
> pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm
> constant_tsc up arch_perfmon pebs bts pni monitor ds_cpl est tm2 ssse3
> cx16 xtpr lahf_lm
> bogomips        : 3337.74
> clflush size    : 64
>
> Does anyone have any ideas?  I put Ubuntu on to replace Vista which
> was running like a dog.  Ubuntu has been very speedy and I can't wait
> to unlock my second core!
>
> Thank you for you help.
>
> -Sam
>