re-enabling hyperthreading

Rahul Sundaram sundaram at fedoraproject.org
Tue Apr 29 19:26:23 UTC 2008


Michael Hennebry wrote:
> Way back when I was running FC3, I used the BIOS
> to disable hyperthreading in my Pentium 4.
> It stopped system crashes that,
> IIRC, I was told had something to do with my LCD monitor.
> I never understood the problem or the solution.
> 
> I recently installed FC8.
> At the time, hyperthreading was turned off.
> Assuming that the previous problems are fixed,
> is it safe to re-enable hyperthreading on a
> system that was installed with it turned off?

HT is run-time detected and uses the same kernel. You shouldn't have any 
issues.

Rahul




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