Messages in this thread | | | Date | Mon, 18 Jun 2007 16:28:49 -0400 | From | Dave Jones <> | Subject | Re: cpufreq: too long transition latency |
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On Mon, Jun 18, 2007 at 11:23:27PM +0300, Meelis Roos wrote: > I have the following messages in my laptops dmesg > > ondemand governor failed to load due to too long transition latency > > and activating ondemand governor fails. This seems to be introduced in > 2.6.22-rc* series - I seem to remember that 2.6.21 was OK but can not > test at the moment. > > Laptop is IBM X20, 440BX chipset, Pentium III (Coppermine). Config and > full dmesg are below.
speedstep-ich takes a long time to transition. as ondemand can change speeds frequently, this can cause unacceptable slowdowns, so it prevents itself from being used.
Dave
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