Fault management and recovery based on task-ID

Details Fault management and recovery based on task-ID Fault management and recovery based on task-ID

Filed on

2005-02-01

Date issued

2005-02-01

Examiner

Beausoliel, Robert (Department: 2113)

Patent Class

Error detection/correction and fault detection/recovery

SubClass

Data processing system error or fault handling

SubSubClass

Reliability and availability

Other Related Categories

C714S005110, C714S006130, C718S100000

Type

Reexamination Certificate

Status

active

Patent number

06851072

Description

ABSTRACT:
In accordance with a first embodiment of the invention, there is provided a method of operating a digital system that has a processor and a memory. A plurality of program tasks is executed on the processor (800). The processor requests access to memory in response to executing the tasks (802). Some of these access requests are not directly or not straightforwardly linked with the current program counter (PC); for example, a write transaction going through a write buffer (808). An access error resulting form this type of transaction error is referred to as an imprecise abort. A task-id value is supplied along with the address during a deferred memory access and corresponds to the task-id of the task that initiated the memory access (802). If an error condition that prevents normal completion of the memory transaction is detected (806), then a recovery routine uses the task-id value provided with the memory transaction request to identify which program task requested the transaction (810, 812). The recovery routine can then resolve the problem or kill the identified task.

REFERENCES:
patent: 5463733 (1995-10-01), Forman et al.
patent: 5487154 (1996-01-01), Gunji
patent: 6219689 (2001-04-01), Mori
patent: 6253225 (2001-06-01), Nakahara et al.
patent: 6389447 (2002-05-01), Singh
patent: 6564311 (2003-05-01), Kakeda et al.

Affiliated with

Also associated with

Rating

Fault management and recovery based on task-ID does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fault management and recovery based on task-ID, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fault management and recovery based on task-ID will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3486744