I have a Intel(R) Pentium(R) 4 CPU 2.66GHz
im using p4-clockmod with ondemand and performance governors, but after upgrading to kernel 2.6.30, i cannot switch to ondemand governor
from dmesg output i see:
"ondemand governor failed, too long transition latency of HW, fallback to performance governor"
Additional info:
kernel26 2.6.30-5
Steps to reproduce:
cpufreq-set -g ondemand
- comment by Jan de Groot (JGC) - Saturday, 27 June 2009, 07:33 GMT-4
- You should not use ondemand with clockmod. The clockmod module has a very high switching latency, that's why it's disabled in 2.6.30. The error message says it all I think.