>Len, Kevin confirms that the below patch fixes the above regression for
>him. Should we merge it now?
It also works for me. Well, I'm not 100% sure it was that patch, but
2.6.13-rc3 on my TP 600X has the C2/C3 regression:
ACPI: CPU0 (power states: C1[C1])
And 2.6.13-rc3-mm2, which includes that patch, works fine:
ACPI: CPU0 (power states: C1[C1] C2[C2] C3[C3])