Apparatus to use fabric initialization to test functionality...

Details Apparatus to use fabric initialization to test functionality... Apparatus to use fabric initialization to test functionality...

2011-01-18

2011-01-18

Duncan, Marc (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C714S043000, C370S242000

Reexamination Certificate

active

07873861

ABSTRACT:
A method, apparatus, and program for systematically testing the functionality of all connections in a multi-tiered bus system that connects a large number of processors. Each bus controller is instructed to send a test version of a snoop request to all of the other processors and to wait for the replies. If a connection is bad, the port associated with that connection will time out. Detection of a time-out will cause the initialization process to be halted until the problem can be isolated and resolved.

REFERENCES:
patent: 6092220 (2000-07-01), Palmer et al.
patent: 6665811 (2003-12-01), de Azevedo et al.
patent: 6880100 (2005-04-01), Mora et al.
patent: 6885644 (2005-04-01), Knop et al.
patent: 7168011 (2007-01-01), Spies et al.
patent: 2006/0104210 (2006-05-01), Nielsen

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