[ltp] T21 cpufreq problems

Connor Behan linux-thinkpad@linux-thinkpad.org
Thu, 10 Jul 2008 16:40:10 -0400


Early Pentium III Coppermines have fairly rudimentary speedstep. I 
wouldn't be surprised if on-demand was impossible to get working because 
of your hardware. On my a22m only performance and conservative work.
> I've been trying to get ondemand working as a cpu governor. dmesg shows
>
> ondemand governor failed, too long transition latency of HW, fallback to
> performance governor
>
> Same problem with everything except userspace and performance.
>
> I've scoured the net looking for a solution but found nothing so far.
>
> lsmod:
>
> speedstep_smi           5616  0 
> speedstep_lib           5188  1 speedstep_smi
> cpufreq_conservative     5696  0 
> cpufreq_powersave       1440  0 
> cpufreq_userspace       3480  1 
>
> I also have used the /sbin/modprobe speedstep-lib relaxed_check=1
> option to no avail.
>
> Any ideas?
>