On Mon, 3 Jan 2005 23:44:30 -0600 (CST), Satish Balay <balay@xxxxxxxxxxx> wrote: > On Mon, 3 Jan 2005, Jonathan Berry wrote: > > On Mon, 03 Jan 2005 19:24:40 -1000, Amy M <amymom@xxxxxxxxxxxxxx> wrote: > > > Someone mentioned powernowd. It did not work on my Athlon XP system: > > > > > > powernowd: PowerNow Daemon v0.90, (c) 2003-2004 John Clemens > > > powernowd: Found 1 cpu: > > > Couldn't open file: No such file or directory > > > Couldn't open file: No such file or directory > > > Couldn't open file: No such file or directory > > > couldn't open govn's file for writing: No such file or directory > > > Couldn't get per-cpu data: Illegal seek > > > PowerNowd encountered and error and could not start. > > > > I'm guessing that you have ACPI turned off. You need ACPI and the > > files in /sys/devices/system/cpu/CPU0/cpufreq/ to use powernowd. > > Nope - this is not true. cpuspeed/powernowd work with APM (on a P-M > laptop) Okay, I jumped the gun. It is sysfs and the cpufreq module that are needed. It is still probably the case that the directory I mentioned is not populated. Probably either the powernow-k7 or powernow-k8 module needs to be loaded. Most likely the k7 module. > Are you sure you have a mobile CPU - and not a desktop CPU (in a > laptop shell)? Or more directly, does the CPU support frequency scaling? > What does 'cat /proc/cpuinfo' say? > > Satish Jonathan
