With thermald stopped, and with the laptop displaying a desktop but not
running any heavy loads, all 8 threads idle at 900 MHz, with all 4 cores
typically running under 40°C.

When I run c-ray with thermald stopped, all 8 threads run at 2400 MHz and the 
cores warm up as high as 82°C, with short spikes up to 2700 MHz and 89°C.  The 
fans run, but not at their maximum speed.
------
gjditchf@copperplate:/run/thermald$ sensors
coretemp-isa-0000
Adapter: ISA adapter
Package id 0:  +41.0°C  (high = +100.0°C, crit = +100.0°C)
Core 0:        +40.0°C  (high = +100.0°C, crit = +100.0°C)
Core 1:        +39.0°C  (high = +100.0°C, crit = +100.0°C)
Core 2:        +40.0°C  (high = +100.0°C, crit = +100.0°C)
Core 3:        +40.0°C  (high = +100.0°C, crit = +100.0°C)

acpitz-virtual-0
Adapter: Virtual device
temp1:        +27.8°C  (crit = +119.0°C)
temp2:        +29.8°C  (crit = +119.0°C)
temp3:        +10.0°C  

iwlwifi-virtual-0
Adapter: Virtual device
temp1:        +32.0°C  

pch_skylake-virtual-0
Adapter: Virtual device
temp1:        +37.0°C  
-------

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https://bugs.launchpad.net/bugs/1769236

Title:
  CPU frequency stuck at minimum value

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