Software crash diagnostic strategy and ram display

Details Software crash diagnostic strategy and ram display Software crash diagnostic strategy and ram display

G - Physics

03

G

314/7

G03G 15/00 (2006.01) G03G 21/14 (2006.01) G06F 11/07 (2006.01) G06F 11/32 (2006.01)

Patent

CA 1213309

ABSTRACT OF THE DISCLOSURE The present invention is a pair of counters associated with the control elements in a complex control system, in particular, counters asso- ciated with the intelligent processors in a multiprocessor control. Preferably, the counters are maintained in nonvolatile memory and one of the counters for each remote records software crashes experienced in both standby and run mode. The other counter records total software crashes during normal machine operation. These counters provide information on the location and type of software crashes. In another aspect of the invention, a procedure is provided for the Tech Rep to force the machine into a software crash. The Tech Rep can then interrogate the content of RAM locations before the RAM locations are initialized by the machine reset. The contents of various RAM locations can be selectively displayed for diagnosis.

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