2.6.24.3 SMP kernel sees only one of my 2 cores..

[Alan Cox]

On Wed, 26 Mar 2008 12:41:36 -0400
Gautam Thaker <gthaker at atl.lmco.com> wrote:

> I am running Fedora Core 8 w/ all the updates installed. The kernel
> version is 2.6.24.3-34.fc8 SMP. I  have been using the system happily
> for about 2 months. I don't know just when, but in last week, the
> kernel sees only  1 of my 2 cores. I know i have run quite some time
> w/ 2 cores. I am not sure if this is related to some SW update or a
> bios problem (i loaded "defaults" in bios) or can the CPU actually
> break and be left w/ just 1 core?  I do see a msg at start up, at very
> start, that says:
> 
> i8042c: can not read CTR when initializing i8042.

Thats a keyboard handling emulation bug in the BIOS, unrelated. Go into
the BIOS and turn off USB legacy emulation. However I don't think its
anything to do with your vanishing core