Laptop CPU overheating in Fedora, temperature +30 celsius higher than in Windows

Peter Lemenkov lemenkov at gmail.com
Sun Jun 12 17:36:53 UTC 2011


2011/6/12 Pasi Kärkkäinen <pasik at iki.fi>:
> Hello list,
>
> Any tips how to debug why laptop CPU temperature is around 30 degrees celsius
> higher on Fedora 14 or Fedora 15 compared to Windows 7 ? Both Linux and Windows
> were idle when measuring..
>
> I tried both Fedora 14 (Linux 2.6.35) and Fedora 15 (Linux 2.6.38).
> Laptop specs:
>        - HP Elitebook 8530p.
>        - CPU: Mobile Intel Core 2 Duo T9600 (Penryn).

Same model, no tweaks at all:

[helena at moderato ~]$ sensors
acpitz-virtual-0
Adapter: Virtual device
temp1:        +30.0°C  (crit = +115.0°C)
temp2:        +69.0°C  (crit = +105.0°C)
temp3:        +34.3°C  (crit = +112.0°C)
temp4:        +65.0°C  (crit = +112.0°C)
temp5:        +49.0°C  (crit = +90.0°C)
temp6:        +16.0°C  (crit = +112.0°C)

nouveau-pci-0100
Adapter: PCI adapter
temp1:        +71.0°C  (high = +100.0°C, crit = +110.0°C)

coretemp-isa-0000
Adapter: ISA adapter
Core 0:       +57.0°C  (high = +105.0°C, crit = +105.0°C)

coretemp-isa-0001
Adapter: ISA adapter
Core 1:       +58.0°C  (high = +105.0°C, crit = +105.0°C)

[helena at moderato ~]$

-- 
With best regards, Peter Lemenkov.


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