04443849 is referenced by 38 patents and cites 6 patents.

For an error recovery system, one of processors (21) produces an error signal upon occurrence of an error to suspend execution of a particular instruction and to keep retry enable and status signals related to the particular instruction. In the system, a diagnostic unit (30) comprises a storage circuit (76) responsive to the retry enable signal for taking over the status signals directly from the frist processor rather than via a common main memory (20). On occurrence of the error, another of the processors (22) produces a ready signal after completion of execution of an instruction being executed. Responsive to the retry enable and ready signals, the diagnostic unit transfers the status signals to another processor from the storage circuit directly rather than via the main memory to make another processor execute the particular instruction. The error signal may be sent to the diagnostic unit and/or the second processor.

Error recovery system of a multi-processor system for recovering an error by transferring status singals from one processor to another without use of a main memory
Application Number
Publication Number
Application Date
October 6, 1981
Publication Date
April 17, 1984
Hiroyuki Ohwada
Sughrue Mion Zinn Macpeak and Seas
Nippon Electric
G06F 11/00
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