| | 1 | [[PageOutline]] |
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| | 3 | * [http://d.hatena.ne.jp/kakurasan/20070720/p1 動的にCPUクロックや電圧を変更するcpufreqの概要とcpufreqdデーモンについて - 試験運用中なLinux備忘録] |
| | 4 | * [http://d.hatena.ne.jp/kakurasan/20080804/p1 cpufreqdでlm_sensorsを使用して、センサの値に応じたクロック・電圧制御を行う - 試験運用中なLinux備忘録] |
| | 5 | |
| | 6 | * [https://bugs.archlinux.org/task/15284 FS#15284 : cannot switch to ondemand governor] |
| | 7 | > {{{ |
| | 8 | > I have a Intel(R) Pentium(R) 4 CPU 2.66GHz |
| | 9 | > im using p4-clockmod with ondemand and performance governors, but after upgrading to kernel 2.6.30, i cannot switch to ondemand governor |
| | 10 | > |
| | 11 | > from dmesg output i see: |
| | 12 | > "ondemand governor failed, too long transition latency of HW, fallback to performance governor" |
| | 13 | > |
| | 14 | > Additional info: |
| | 15 | > kernel26 2.6.30-5 |
| | 16 | > |
| | 17 | > Steps to reproduce: |
| | 18 | > cpufreq-set -g ondemand |
| | 19 | > }}} |
| | 20 | > * comment by Jan de Groot (JGC) - Saturday, 27 June 2009, 07:33 GMT-4 |
| | 21 | > * 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. |
| | 22 | * [https://bbs.archlinux.org/viewtopic.php?id=101464 cpufreq ondemand governor problem with p4-clockmod |SOLVED| (Page 1) / Kernel & Hardware / Arch Linux Forums] |
