CPU frequency scaling is also failing for me. I'm using an AMD Athlon 64 X2 4000+ (Brisbane). Please post if any other information is needed.
$ dmesg | grep power [ 14.300000] input: Power Button (FF) as /class/input/input4 [ 14.304000] ACPI: Power Button (FF) [PWRF] [ 14.304000] input: Power Button (CM) as /class/input/input5 [ 14.304000] ACPI: Power Button (CM) [PWRB] [ 14.588000] powernow-k8: Found 2 AMD Athlon(tm) 64 X2 Dual Core Processor 4000+ processors (version 2.00.00) [ 14.588000] powernow-k8: MP systems not supported by PSB BIOS structure [ 14.588000] powernow-k8: MP systems not supported by PSB BIOS structure $ sudo /etc/init.d/powernowd start * Starting powernowd... /etc/init.d/powernowd: 156: cannot create /sys/devices/system/cpu/cpu0//cpufreq/scaling_governor: Directory nonexistent * CPU frequency scaling not supported -- CPU Frequency Scaling Not Supported for Intel Centrino Duo Processors https://bugs.launchpad.net/bugs/156066 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs