Vegard Nossum <vegard.nossum@gmail.com> writes:
quoted text
>
> This initially showed up on my 2.6.24.5-85.fc8 (Fedora) kernel.
>
> I have two different systems (one laptop, one desktop) which both show the
> same symptoms, please do tell me if you need any more info.

What CPUs do they have?  And does the problem really go away when
you boot with idle=mwait ? And what does the following program 
output? 

#include <asm/msr.h>

main()
{
        printf("%x\n", cpuid_edx(5));
}

-Andi
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