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    SubjectRE: cpufreq stops working after a while
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    >-----Original Message-----
    >From: Mark Lord [mailto:lkml@rtr.ca]
    >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
    >/proc/acpi/thermal_zone/THM/temperature
    >
    >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?
    >
    >Cheers

    What is the "cooling mode" you have in
    /proc/acpi/thermal_zone/THM/cooling_mode.
    Output of all files in that directory will help.

    Thanks,
    Venki
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