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SubjectRe: swsusp and suspend2 like to overheat my laptop


On Wed, 9 Aug 2006, Steven Rostedt wrote:

> >
> > 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.

-- Steve


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