SMP Kernel on non-SMP Machine

[Steven Ringwald]

W Strater wrote:
> I just installed FC5 on a Pentium 4 based machine and ended up with a 
> 2.6.15-1.2054_FC5smp kernel. I ran `yum update` and was upgraded to 
> 2.6.17-1.2174_FC5smp. The problem is that my motherboard, Intel 
> D865PERL, is a single CPU motherboard and my Intel CPU P4 2.8 
> pre-dates any dual core technologies. The /proc/cpuinfo did list two 
> CPU's.
>
> Probably irrelevant but worth mentioning. I installed FC5 on the first 
> partition of a second hard drive of a dual boot machine and boot off 
> of a CD.
>
> As a side note, FC5 was installed on 2 Core Duo machines at work. The 
> first machine has a lame core, confirmed by Redmont, and has a 
> 2.6.17-1.2174_FC5 kernel. The second machine has two functioning cores 
> and has a 2.6.17-1.2174_FC5smp kernel. The /proc/cpuinfo of the second 
> machines lists 2 single core CPUs not 1 dual core CPU.


Sounds like you might have hyperthreading turned on in your bios.

Steve