Machine Check Codes and Data Structures

The Machine Check Codes listing below is hyperlinked to detailed error descriptions for your convenience.

SCB Entries for Machine Checks

SCB (hex)Description
410
Bugcheck
620
System Correctable Error
630
Processor Correctable Error
660
System Machine Check
670
Processor Machine Check
680
System Environmental Error

Machine Check Codes

Code
(Hex)		 Machine Check
Error Description		 Machine Check
Type		 Vector

86

EV6 detected ICache Tag or Data Parity Error

CPU Correctable
630

86

EV6 detected Memory Single Bit ECC on DCache fill

CPU Correctable
630

86

EV6 detected Memory Single Bit ECC on ICache fill

CPU Correctable
630

86

EV6 detected BCache Single Bit ECC error on DCache fill

CPU Correctable
630

86

EV6 detected BCache Single Bit ECC error on ICache fill

CPU Correctable
630

86

EV6 detected BCache Probe Hit Single Bit ECC Error

CPU Correctable
630

86

EV6 Detected a Dcache tag parity error on initial probe

CPU Correctable
630

90

OS detected Bugcheck Error

CPU Uncorrectable
670

98

EV6 detected Second DCache Store ECC Error

CPU Uncorrectable
670

98

EV6 detected DCache Tag Parity Error in Pipeline 0

CPU Uncorrectable
670

98

EV6 detected DCache Tag Parity Error in Pipeline 1

CPU Uncorrectable
670

98

EV6 detected Memory Double Bit ECC Error on DCache Fill

CPU Uncorrectable
670

98

EV6 detected Memory Double Bit ECC Error on ICache Fill

CPU Uncorrectable
670

98

EV6 detected BCache Double Bit ECC Error on DCache Fill

CPU Uncorrectable
670

98

EV6 detected BCache Double Bit ECC Error on ICache Fill

CPU Uncorrectable
670

98

EV6 detected Duplicate DCache Tag Parity Error

CPU Uncorrectable
670

98

EV6 detected BCache Probe Hit Double Bit ECC Error

CPU Uncorrectable
670

98

EV6 detected BCache Tag Parity Error

CPU Uncorrectable

670

202

System detected Uncorrectable ECC Error

System Uncorrectable
660

202

System detected Non-Existent Memory Reference

System Uncorrectable
660

202

System detected PCI System Bus Error (SERR)

System Uncorrectable
660

202

System detected PCI Read Data Parity Error (RDPE)

System Uncorrectable
660

202

System detected PCI Address/ Command Parity Error (APE)

System Uncorrectable
660

202

System detected PCI No Device Select (NDS)

System Uncorrectable
660

202

System detected PCI Target Abort (TA)

System Uncorrectable
660

202

System detected Invalid Scatter/Gather Page Table Entry (SGE) Error

System Uncorrectable
660

202

System detected PCI Data Parity Error (PERR)

System Uncorrectable
660

202

System detected PCI Target Delayed Completion Retry Time Out (DCRTO)

System Uncorrectable
660

202

System detected PCI Master Retry Time out (RTO 2**24) Error

System Uncorrectable
660

204

System detected ECC Single Bit Error

System Correctable
620

206

System detected Fan Failure Condition

Environmental Correctable
680