KUbuntu 为什么会这么热呢？CPU us 内存之类的都不高.

acpitz-virtual-0
Adapter: Virtual device
temp1: +81.5°C (crit = +96.0°C)

radeon-pci-0100
Adapter: PCI adapter
temp1: +89.5°C

coretemp-isa-0000
Adapter: ISA adapter
Physical id 0: +82.0°C (high = +86.0°C, crit = +100.0°C)
Core 0: +78.0°C (high = +86.0°C, crit = +100.0°C)
Core 1: +80.0°C (high = +86.0°C, crit = +100.0°C)

有时候最高能达到 90°+。是低也是80°C+, 风扇呼呼呼个不停.. 有没有可能是驱动引起的呢，如何排查..