Re: How can a critical temperature be set?

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Cc: Rui

On Friday, November 29, 2013 10:06:12 AM Thomas Mitterfellner wrote:
> Hello!
> 
> How can I set a thermal trip point for the critical temperature as
> shown by acpi -V? (My laptop, Toshiba Satellite Pro l770-116, intel
> HM65 chipset, shuts down frequently under high CPU load and I suspect
> too low a critical temperature setting, namely 84°C, to be the
> culprit, as I read that 91+°C are not uncommon for my system under
> heavy load)
> 
> I asked at the lm-sensors mailing list and I was advised to ask here.
> I was told that I might have to edit the DSDT tables to accomplish
> this. Is there possibly some simpler way or can someone give me a hint
> on how to do this?
> What I want to accomplish is: I want to set (increase) the temperature
> temp_crit1 shown in the output of sensors -u for the virtual device
> acpitz-virtual-0.
> 
> Thank you for your help,
> 
> Thomas
> 
> 
> For reference, I attached the output of acpi -V and sensors -u commands.
> 
> # acpi -V
> […]
> Thermal 0: ok, 57.0 degrees C
> Thermal 0: trip point 0 switches to mode critical at temperature 84.0
> degrees C
> Thermal 0: trip point 1 switches to mode passive at temperature 105.0
> degrees CThermal 0: ok, 57.0 degrees C
> Thermal 0: trip point 0 switches to mode critical at temperature 84.0
> degrees C
> Thermal 0: trip point 1 switches to mode passive at temperature 105.0
> degrees C:
> […]
> 
> # sensors -u
> 
> acpitz-virtual-0
> Adapter: Virtual device
> temp1:
>   temp1_input: 73.000
>   temp1_crit: 84.000
> 
> coretemp-isa-0000
> Adapter: ISA adapter
> Physical id 0:
>   temp1_input: 71.000
>   temp1_max: 86.000
>   temp1_crit: 100.000
>   temp1_crit_alarm: 0.000
> Core 0:
>   temp2_input: 71.000
>   temp2_max: 86.000
>   temp2_crit: 100.000
>   temp2_crit_alarm: 0.000
> Core 1:
>   temp3_input: 71.000
>   temp3_max: 86.000
>   temp3_crit: 100.000
>   temp3_crit_alarm: 0.000
> 
> pkg-temp-0-virtual-0
> Adapter: Virtual device
> temp1:
>   temp1_input: 71.000
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-- 
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Rafael J. Wysocki, Intel Open Source Technology Center.
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