Hi!
Yesterday one of our servers had this on the console:
[ 1184.087973] mce: [Hardware Error]: CPU 0: Machine Check Exception: 4 Bank 8:
ba000000000000b2[ 1184.087973] mce: [Hardware Error]: TSC 3a3965b65c0 MISC
80000[ 1184.087973] mce: [Hardware Error]: PROCESSOR 0:206c2 TIME 1477301538
SOCKET 0 APIC 0 microcode 2[ 1184.087973] mce: [Hardware Error]: Machine check:
Processor context corrupt
So I did some research and found out that I can use an app named mcelog to
decode this. This was the output from it:
Hardware event. This is not a software error.CPU 0 BANK 8 TSC 3a3965b65c0 MISC
80000 TIME 1477301538 Mon Oct 24 17:32:18 2016MCG status:MCIP MCi
status:Uncorrected errorError enabledMCi_MISC register validProcessor context
corruptMCA: MEMORY CONTROLLER AC_CHANNEL2_ERRTransaction: Address/Command
errorMemory corrected error count (CORE_ERR_CNT): 0Memory transaction Tracker
ID (RTId): 0Memory DIMM ID of error: 0Memory channel ID of error: 2Memory ECC
syndrome: 0STATUS ba000000000000b2 MCGSTATUS 4CPUID Vendor Intel Family 6 Model
44SOCKET 0 APIC 0 microcode 2tinsaymc@IT-046641:~$ cat mce.txtCPU 0: Machine
Check Exception: 4 Bank 8: ba000000000000b2TSC 3a3965b65c0 MISC 80000PROCESSOR
0:206c2 TIME 1477301538 SOCKET 0 APIC 0 microcode 2
So my question now, for those who know more about this area than I, is: Is the
exception due to a problem in the CPU itself or somewhere on the motherboard?
Regards.
--- mike t.
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