Comment 22 for bug 262567

That's very strange. I'm willing to chalk up my own problem to having removed the symlink at some point, since no one else has confirmed it. I've restored the symlink and fully expect it to work now.

Perhaps you could add "set -x; exec 2>>/var/log/powernowd-init.log" to the top of /etc/init.d/powernowd and see what turns up in the log?