MCE Decoding - MCA: Bank 8, Status 0xcc0031800001009f/0xc8000980000200cf

[John Baldwin]

On Saturday, September 11, 2010 1:40:28 am Simon wrote:
> Hello,
> 
> Can someone please help me decode these two errors on FreeBSD 8.1-R:
> 
> MCA: Bank 8, Status 0xcc0031800001009f
> MCA: Global Cap 0x0000000000001c09, Status 0x0000000000000000
> MCA: Vendor "GenuineIntel", ID 0x106a5, APIC ID 16
> MCA: CPU 0 COR (198) OVER RD channel ?? memory error
> MCA: Address 0x1b6188d80
> MCA: Misc 0x72ae242000000084
> 
> MCA: Bank 8, Status 0xc8000980000200cf
> MCA: Global Cap 0x0000000000001c09, Status 0x0000000000000000
> MCA: Vendor "GenuineIntel", ID 0x106a5, APIC ID 16
> MCA: CPU 0 COR (38) OVER MS channel ?? memory error
> MCA: Misc 0x72ae242000000140

HARDWARE ERROR. This is *NOT* a software problem!
Please contact your hardware vendor
CPU 0 BANK 8 
MISC 72ae242000000084 ADDR 1b6188d80 
MCG status:
MCi status:
Error overflow
MCi_MISC register valid
MCi_ADDR register valid
MCA: MEMORY CONTROLLER RD_CHANNELunspecified_ERR
Transaction: Memory read error
Memory read ECC error
Memory corrected error count (CORE_ERR_CNT): 198
Memory transaction Tracker ID (RTId): 84
Memory DIMM ID of error: 0
Memory channel ID of error: 0
Memory ECC syndrome: 72ae2420
STATUS cc0031800001009f MCGSTATUS 0
MCGCAP 1c09 APICID 10 SOCKETID 0 
CPUID Vendor Intel Family 6 Model 26
HARDWARE ERROR. This is *NOT* a software problem!
Please contact your hardware vendor
CPU 0 BANK 8 
MISC 72ae242000000140 
MCG status:
MCi status:
Error overflow
MCi_MISC register valid
MCA: MEMORY CONTROLLER MS_CHANNELunspecified_ERR
Transaction: Memory scrubbing error
Memory ECC error occurred during scrub
Memory corrected error count (CORE_ERR_CNT): 38
Memory transaction Tracker ID (RTId): 40
Memory DIMM ID of error: 0
Memory channel ID of error: 0
Memory ECC syndrome: 72ae2420
STATUS c8000980000200cf MCGSTATUS 0
MCGCAP 1c09 APICID 10 SOCKETID 0 
CPUID Vendor Intel Family 6 Model 26

You have some corrected memory errors (198+38 = 236) in the first DIMM (on the 
SuperMicro boards we have at work, it would correspond to the DIMM slot 
labeled P1_DIMM1A).  In my experience I would just ignore them unless the 
count gets much higher (say 10000+ / per hour).

-- 
John Baldwin