Information processing device and error processing method

Details Information processing device and error processing method Information processing device and error processing method

2009-09-04

2011-12-13

Beausoliel, Jr., Robert (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S715000, C714S055000, C714S797000, C714S713000, C711S119000, C711S131000

Reexamination Certificate

active

08078920

ABSTRACT:
An information processing device having two processing units capable of operating in synchronization with each other, includes: a common unit capable of outputting an identical signal to the two processing units; detection units that are respectively provided for the processing units and each detects errors occurred in corresponding processing unit respectively; a comparison unit that compares outputs from the two processing units; and a control unit that controls signals from the processing units to the common unit, based on a detection result of the detection units and a comparison result of the comparison unit, and determines, if errors of an identical type are simultaneously detected by the detection units, that the errors are due to an error of the common unit.

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