Re: swsusp and suspend2 like to overheat my laptop

Pavel Machek
2006-08-09T12:09:08Z

Hi!

> > > cat we get contents of /proc/acpi/thermal*/*/* ?
> >
> > I'm running after a poweroff (left it running over night in the hotel, and
> > I'm still in the hotel).
> >
> > $ grep . /proc/acpi/thermal_zone/THRM/*
> > /proc/acpi/thermal_zone/THRM/cooling_mode:<setting not supported>
> > /proc/acpi/thermal_zone/THRM/cooling_mode:cooling mode: passive
> > /proc/acpi/thermal_zone/THRM/polling_frequency:<polling disabled>
> > /proc/acpi/thermal_zone/THRM/state:state: ok
> > /proc/acpi/thermal_zone/THRM/temperature:temperature: 48 C
> > /proc/acpi/thermal_zone/THRM/trip_points:critical (S5): 88 C
> > /proc/acpi/thermal_zone/THRM/trip_points:passive: 81 C: tc1=4 tc2=3 tsp=100 devices=0xcf6c2338
> >
> > Note thermal_zone/THRM was finished with bash tab completion so they are
> > the only things that match the above glob expr.
> >
>
> Note: I just did a swsusp and resume and here's the same data:
>
> $ grep . /proc/acpi/thermal_zone/THRM/*
> /proc/acpi/thermal_zone/THRM/cooling_mode:<setting not supported>
> /proc/acpi/thermal_zone/THRM/cooling_mode:cooling mode: passive
> /proc/acpi/thermal_zone/THRM/polling_frequency:<polling disabled>
> /proc/acpi/thermal_zone/THRM/state:state: ok
> /proc/acpi/thermal_zone/THRM/temperature:temperature: 60 C
> /proc/acpi/thermal_zone/THRM/trip_points:critical (S5): 88 C
> /proc/acpi/thermal_zone/THRM/trip_points:passive: 81 C: tc1=4 tc2=3 tsp=100 devices=0xcf6c2338
>
>
> And just leaving my system idle for a few minutes:
>
> $ grep . /proc/acpi/thermal_zone/THRM/temperature
> temperature: 62 C
>
> and a few more minutes:
>
> temperature: 64 C
>
>
> And a few more:
>
> temperature: 66 C
>
>
> right now after typing this:
>
> temperature: 69 C
>
>
> So this definitely shows somethings not letting the CPU rest.

Okay, run top to see what goes on, and look for
/proc/acpi/processor/*/* -- you are interested in C states before and
after suspend.
Pavel
--
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