FreeBSD 9.1 amd64 : hwpstate0 : set freq failed , err 6

Mon Apr 29 14:38:59 UTC 2013

Dears All ,

The following message

"hwpstate0 : set freq failed , err 6"

is displayed frequently on the following computer :

Main board : ASUS M5A97 R2.0
Processor : AMD FX X8 8350
Graphics Card : PowerColor HD 4830
Memory : 32GB

FreeBSD 9.1 amd64 2013-04-20 Snapshot

What may be the reason ?
How can it be corrected ?

Thank you very much .

Mehmet Erol Sanliturk