RE: cpufreq stops working after a while

From: Pallipadi, Venkatesh
Date: Fri Aug 11 2006 - 17:35:50 EST

>-----Original Message-----
>From: Mark Lord [mailto:lkml@xxxxxx]
>Sent: Friday, August 11, 2006 2:25 PM
>To: Pallipadi, Venkatesh
>Cc: Dave Jones; Linux Kernel; Andrew Morton
>Subject: Re: cpufreq stops working after a while
>Mark Lord wrote:
>>> Venki wrote:
>>> Looks like there are thermal events happening that is
>causing CPU limits
>>> to reduce. Are you running anything on the CPU when this happens. Is
>>> there a thermal interface in /proc/acpi that can give you
>the current
>>> temperature of the system?
>> There are thermal thingies in /proc, and I'm watching the temperature
>> value from there (62C --> 65C), and the trip_points value is 95C..
>> Think it's thermal?
>Yup, thermal.
>Trips shortly after I see 66C in
>If I stop number crunching for a bit, the temperature drops down to the
>low 50's, and the max freq then gets set back to 1100.
>Mmmm.. is there a way to control the high/low thermostat values there?

What is the "cooling mode" you have in
Output of all files in that directory will help.

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