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Subject: Re: Missing: hw.acpi.thermal.tz%d._HOT
From: Sean Bruno <sbruno@ignoranthack.me>
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Date: Sat, 14 Jun 2014 11:07:41 -0700
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> 
> Just for curious minds:
> 
> Afternoon and evenings bring direct sunlight to where the machine is.
> And I guess that is showing? probably?
> # sysctl dev.cpu | grep temp
> dev.cpu.0.temperature: 16.8C
> dev.cpu.1.temperature: 16.8C
> dev.cpu.2.temperature: 16.8C
> dev.cpu.3.temperature: 16.8C
> dev.cpu.4.temperature: 16.8C
> dev.cpu.5.temperature: 16.8C
> dev.cpu.6.temperature: 16.8C
> dev.cpu.7.temperature: 16.8C


I have an FX-8150 based system similar, but a bit older that this one:
Base Board Information
        Manufacturer: ASUSTeK Computer INC.
        Product Name: M5A88-M

Processor Information
        Socket Designation: AM3R2
        Type: Central Processor
        Family: FX
        Manufacturer: AMD              
        ID: 12 0F 60 00 FF FB 8B 17
        Version: AMD FX(tm)-8150 Eight-Core Processor   

At idle, the machine reports pretty low temps:
dev.amdtemp.0.%desc: AMD CPU On-Die Thermal Sensors
dev.amdtemp.0.%driver: amdtemp
dev.amdtemp.0.%parent: hostb4
dev.amdtemp.0.sensor_offset: 0
dev.amdtemp.0.core0.sensor0: 16.2C

But when doing builds with all the cpus firing:
dev.amdtemp.0.core0.sensor0: 49.5C
...
dev.amdtemp.0.core0.sensor0: 52.3C
...
dev.cpu.0.temperature: 53.0C


Seems legit to me.

sean