Unga wrote:

Here is what it show on my computer:

sysctl -a | grep hw.acpi.thermal
hw.acpi.thermal.min_runtime: 0
hw.acpi.thermal.polling_rate: 10
hw.acpi.thermal.user_override: 0
hw.acpi.thermal.tz0.temperature: 19.0C
hw.acpi.thermal.tz0.active: -1
hw.acpi.thermal.tz0.passive_cooling: 1
hw.acpi.thermal.tz0.thermal_flags: 0
hw.acpi.thermal.tz0._PSV: 90.0C
hw.acpi.thermal.tz0._HOT: -1
hw.acpi.thermal.tz0._CRT: 90.0C
hw.acpi.thermal.tz0._ACx: 90.0C -1 -1 -1 -1 -1 -1 -1 -1 -1
hw.acpi.thermal.tz0._TC1: 4
hw.acpi.thermal.tz0._TC2: 3
hw.acpi.thermal.tz0._TSP: 60

so which is the CPU temperature, 19.0C or 90.0C? Where does it documented what 
hw.acpi.thermal.tz0.temperature means?

From that it appears the kernel can't read the temperature sensor, this may be a problem with the ACPI not being properly supported for your processor.

The 90.0C entries are different entries that take action against overheating, if the temperature reaches 90 putting your system to sleep or throtling down speed.

BR, Erik

Erik Nørgaard
Ph: +34.666334818/+34.915211157                  http://www.locolomo.org
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