Re: How can temp_crit for virtual device be set?

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On Thu, 28 Nov 2013 22:40:24 +0100, Thomas Mitterfellner wrote:
> Hello!
> 
> My laptop (toshiba satellite l770-116, Intel HM65 mainboard) shuts down
> frequently when I run CPU intensive tasks. I guess (but I could not find
> out for sure) that the temp1_crit setting of for the acpitz-virtual-0
> device may be the culprit. It seems to me that a
> pretty low value of 84°C is set here. This is the same value I see when
> I do acpi -V (cf. output below). I noticed that sometimes (I haven't
> found out under which circumstances) this value is set at 99°C, which
> seems more reasonable to me as it corrensponds more closely to the value
> shown for the physical devices (100°C), and allows for reasonable usage
> of the laptop.
> 
> 
> I tried adding these values:
> 
> chip "acpitz-virtual-0"
>   set temp1_crit 99.0
> 
> To /etc/sensors.d/coretemp, but when doing sensor -s, I get:
> 
> Error: File /etc/sensors.d/coretemp, line 3: Failed to set value
> acpitz-virtual-0: At least one "set" statement failed
> 
> So, how can I adjust the temp_crit1 value of the acpitz-virtual-0 device?

You can't, thermal zones are read-only at least through the hwmon
interface. If anything can be done, this is through ACPI.

-- 
Jean Delvare

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