Machine check processing system

Details Machine check processing system Machine check processing system

1983-12-20

1986-06-03

Fleming, Michael R.

Excavating

371 18, 371 29, 371 13, 364200, G06F 1100

Patent

active

045933910

ABSTRACT:
A machine check processing system which includes: an error correcting circuit for correcting a correctable error generated during data processing; an error data storage for storing error data which relates to the correctable error; a central processing unit (CPU) for controlling the error correcting circuit and the error data storage; and a service processing unit (SVP) for operating and controlling the error correcting circuit, the error data storage, and the CPU. The CPU includes an error data freezing circuit for freezing error data stored in the error data storage when a correctable error occurs, and a machine check record request signal generator for generating a machine check record request signal when a correctable error occurs. The SVP comprises an error data saving device for carrying out a saving process to save the frozen error data stored in the error data storage in response to the machine check record request signal, an error data analyzing circuit for carrying out an error analyzing process and a freeze release circuit for releasing the error data stored in the error data storage from a frozen state after the error data saving device saves the error data. At least a part of the saving process and the error analyzing process are automatically carried out substantially simultaneously with the operation of the CPU, without a machine check interruption.

REFERENCES:
patent: 4212059 (1980-07-01), Sato
patent: 4225958 (1980-09-01), Funatsu
patent: 4315311 (1982-02-01), Causse et al.
patent: 4355389 (1982-10-01), Sato
patent: 4395755 (1983-07-01), Wakai
patent: 4463418 (1984-07-01), O'Quin, II et al.
patent: 4506362 (1985-03-01), Morley

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