Eu executei o sensors-detect e o lm_sensors ainda retorna o seguinte.
radeon-pci-0100
Adapter: PCI adapter
temp1: +511.0°C (crit = +120.0°C, hyst = +90.0°C)
coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +47.0°C (high = +87.0°C, crit = +105.0°C)
Core 0: +46.0°C (high = +87.0°C, crit = +105.0°C)
Core 1: +47.0°C (high = +87.0°C, crit = +105.0°C)
Tags temperature sensors radeon