On May 5 2007 15:58, Rafał Bilski wrote:
>>>>>> Switching from acpi_pm+performance to acpi_pm+ondemand also
>>>>>> locks up after a few minutes.
>>>>> Yep. Sounds like an ondemand issue. Thanks for verifying this for me.
>>>> Nah, it also happens with cpufreq_powersave. I just need to check
>>>> through some archives and try booting with governor=powersave so that it
>>>> always stays low.
>>> You have a lockup when switching from other governor to powersave? Or if
>>> You are using it for some time?
>>
>> After some time.
>Don't understand me wrong, but this is very weird. I think that
>powersave is changing frequency only one time, when it is loaded. I
>will look into its code to be sure. Probably Longhaul is making
>something what isn't allowed or there is hardware bug somewhere.
I patched Kconfig and the kernel source so that powersave
is the only governor available at boot
(CONFIG_CPU_FREQ_GOV_POWERSAVE=y, CPU_FREQ_DEFAULT_GOV_POWERSAVE=y,
CONFIG_X86_LONGHAUL=y) -- also locks up.
I'll keep you posted.
Jan
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