C5 & C6 CPU states not used in Red Hat Enterprise Linux 6 Beta 1

Solution Verified - Updated -

Issue

Running powertop, it doesn't look like the Red Hat Enterprise Linux 6 kernel puts the CPU in C5 or C6. However, the fedora kernel appears to spent almost all of its time there.

Environment

  • Red Hat Enterprise Linux 6 Beta1
  • Lenovo Thinkpad X301

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