[linux] [Hardware Error]: Machine check events logged

[junhee.lee:root@host ~]# cat /var/log/messages | egrep -i '(error|fail)'
Jan  6 04:55:49 host kernel: [Hardware Error]: Machine check events logged
Jan  6 05:31:21 host kernel: [Hardware Error]: Machine check events logged
Jan  6 06:03:25 host kernel: [Hardware Error]: Machine check events logged
Jan  6 06:36:04 host kernel: [Hardware Error]: Machine check events logged
Jan  6 07:09:19 host kernel: [Hardware Error]: Machine check events logged
Jan  7 17:19:32 host kernel: [Hardware Error]: Machine check events logged

[junhee.lee:root@h0-s2070.p59-icn ~]# cat /var/log/mcelog
mcelog: failed to prefill DIMM database from DMI data
Hardware event. This is not a software error.
MCE 0
CPU 0 BANK 7
MISC 40744800 ADDR 103f41f800
TIME 1607164644 Sat Dec  5 10:37:24 2020
MCG status:
MCi status:
Error overflow
Corrected error
MCi_MISC register valid
MCi_ADDR register valid
MCA: MEMORY CONTROLLER RD_CHANNEL0_ERR
Transaction: Memory read error
STATUS cc01284000010090 MCGSTATUS 0
MCGCAP 1000c1b APICID 0 SOCKETID 0
CPUID Vendor Intel Family 6 Model 62
Hardware event. This is not a software error.
MCE 1
CPU 0 BANK 9
MISC 122100000000208c ADDR 905079d00
TIME 1607164644 Sat Dec  5 10:37:24 2020
MCG status:
MCi status:
Corrected error
MCi_MISC register valid
MCi_ADDR register valid
MCA: MEMORY CONTROLLER MS_CHANNEL0_ERR
Transaction: Memory scrubbing error
MemCtrl: Corrected patrol scrub error