Hardware Error (CPU 2: Machine Check)

朝起きたら,ターミナルに見たことないエラーが出てました.Core i7のマシンです.CPUの故障でなくて,Kernelのバグだったらいいですが^^; 忘れちゃうといけないので貼っときます.

Message from syslogd@gw3 at Tue Oct 24 23:00:04 2017 ...
gw3 kernel: [ 560.805892] mce: [Hardware Error]: CPU 2: Machine Check: 0 Bank 0: 90000040000f0005

Message from syslogd@gw3 at Tue Oct 24 23:00:04 2017 ...
gw3 kernel: [ 560.805894] mce: [Hardware Error]: TSC 1b2aae8fc6e

Message from syslogd@gw3 at Tue Oct 24 23:00:04 2017 ...
gw3 kernel: [ 560.805905] mce: [Hardware Error]: PROCESSOR 0:306c3 TIME 1508853604 SOCKET 0 APIC 4 microcode 1c

Kernelのバージョンは,

Linux version 4.13.9-01 (root@gw3) (gcc version 5.3.0 (GCC)) #81 SMP Tue Oct 24 22:39:27 JST 2017