Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2003-07-14
2008-10-14
Baderman, Scott T. (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S042000, C714S052000, C714S776000, C370S463000
Reexamination Certificate
active
07437593
ABSTRACT:
An apparatus, system, and method are provided for managing errors in prefetched data. The apparatus, system, and method identify prefetched data that contains an uncorrectable error. In addition, the apparatus, system, and method initiate an error recovery process only for prefetched data that is actually used by a requesting device, module, or application. The apparatus includes a prefetch module that prefetches data packets, a validation module that determines whether a prefetched data packet contains an uncorrectable error, a transfer module that transfers prefetched data packets to a requester, and an error recovery module that selectively initiates error recovery for those data packets that contain an uncorrectable error and are actually transferred to the requester.
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Johnson Mark C.
Kuo Lih-Chung
Moy Andrew
Okbay Bitwoded
Baderman Scott T.
International Business Machines - Corporation
Kunzler & McKenzie
Truong Loan
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