Hello, After upgrading from Apr 1 to Apr 14's current, with cpufreq loaded the power info in dev.cpu is gone (all is -1 now). Strange thing is that without cpufreq loaded, it looks good. I put dmesg/devinfo/related sysctl here: http://rafan.infor.org/tmp/cpufreq/ Any ideas? Regards, Rong-En Fan