Hello @Gandhi!
-- Logs begin at Sun 2020-08-16 10:17:03 EDT, end at Sat 2020-09-19 01:25:33 EDT. --
Sep 19 01:22:17 Compy-3700X kernel: mce: [Hardware Error]: CPU 5: Machine Check: 0 Bank 5: bea0000000000108
Sep 19 01:22:17 Compy-3700X kernel: mce: [Hardware Error]: TSC 0 ADDR 1ffffc0197c54 MISC d012000100000000 SYND 4d000000 IPID 500b000000000
Sep 19 01:22:17 Compy-3700X kernel: mce: [Hardware Error]: PROCESSOR 2:870f10 TIME 1600492932 SOCKET 0 APIC a microcode 8701021
It is a known error of these Ryzen Processors.
With this tool you can check it:
Solution is to add processor.max_cstate=5
to the kernel parameter line in /etc/default/grub
at the line with GRUB_CMDLINE_LINUX_DEFAULT=""
.