Graceful recovery from and avoidance of crashes due to...

Details Graceful recovery from and avoidance of crashes due to... Graceful recovery from and avoidance of crashes due to...

2004-07-21

2009-02-03

Iqbal, Nadeem (Department: 2114)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

Reexamination Certificate

active

07487402

ABSTRACT:
The present invention is drawn to a method and/or a system for recovering from an OS crash caused by unsuccessful event notification to a client that is typically a third party program. After the recovery from such crash, the present invention is also drawn to a method and/or a system for avoiding such OS crash in the future. Specifically, the crash recovery steps include recording the current position of the client on a client list kept by the OS. The current position is recorded in a memory location impervious to OS crashes and system reset. Once the OS crash and reboot are completed, the persistently stored current position is accessed to identified the client that was notified prior to the OS crash. The identified client is designated as an errant client, namely a client whose notification might trigger an OS crash. In turn, the errant client is removed from either the notification list or the computer system in order to prevent the client from triggering any future OS crash.

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patent: 2002/0010851 (2002-01-01), Morris et al.
patent: 701209 (1996-03-01), None

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