Hi, I'm trying to experiment with downclocking CPU. My environment is 10.0-CURRENT amd64.
However, my CPU (Xeon E31220) seems not to be supported by the cpufreq module, thus dmesg shows: est0: <Enhanced SpeedStep Frequency Control> on cpu0 est: CPU supports Enhanced Speedstep, but is not recognized. As a result, although sysctl -a shows the list of available frequency values (dev.cpu.0.freq_levels: 3093/-1 2706/-1 2319/-1 1933/-1 1546/-1 1159/-1 773/-1 386/-1 dev.), I cannot set the value (the error message is "sysctl: dev.cpu.0.freq=773: Device not configured"). Do you have any idea to change CPU frequency for this CPU? Cheers, - Michio _______________________________________________ freebsd-current@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-current To unsubscribe, send any mail to "freebsd-current-unsubscr...@freebsd.org"
