Why does the powernow driver does not work properly with different voltage CPUs in Red Hat Enterpise Linux 4?

Solution Verified - Updated -

Issue

The following error message appears when using the powernow-k8 driver on an Opteron quad-core system with different voltage CPUs:

powernow-k8: ph2 null fid transition 0xc

Environment

  • Red Hat Enterprise Linux (RHEL) 4

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