You must run mcelog --client or check /var/log/mcelog . The output tells the truth:
: Ensuring that the system is adequately cooled. x64 exception type 0x12 - machine-check exception
: Sometimes, errors within the processor itself, such as errors in the execution units or control logic, can lead to MCEs. You must run mcelog --client or check /var/log/mcelog
: Errors in the system's memory (RAM) can trigger MCEs. These errors might occur due to physical faults in the memory modules or issues with the memory controller. errors within the processor itself