Arch Linux

eve_ouyang

Member

Registered: 2013-06-10

Posts: 36

mcelog Hardware Error events

# cat /var/log/mcdlog.log 
Hardware event. This is not a software error.
MCE 0
CPU 0 BANK 5 
MISC 178a0000086 ADDR fef873c0 
TIME 1468330671 Tue Jul 12 21:37:51 2016
MCG status:
MCi status:
Error overflow
Uncorrected error
MCi_MISC register valid
MCi_ADDR register valid
Processor context corrupt
MCA: corrected filtering (some unreported errors in same region)
Generic CACHE Level-2 Generic Error
STATUS ee0000000040110a MCGSTATUS 0
MCGCAP c07 APICID 0 SOCKETID 0 
CPUID Vendor Intel Family 6 Model 69

It means that my CPU L2 cache had some error?

mich41

Member

Registered: 2012-06-22

Posts: 796

Re: mcelog Hardware Error events

Yes. As for causes, the ones I've seen so far:

- overclocking or undervolting

- overheating due to fan failure or dust buildup

- motherboard voltage regulator failure (bad capacitors, for example)

- permanent CPU damage