Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2006-03-23
2009-10-20
Baderman, Scott T (Department: 2114)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S038110, C714S056000
Reexamination Certificate
active
07607051
ABSTRACT:
An information processing device comprising a group of hardware of various types in the first layer, kernel modules and a hang checking part in the second layer, and a group of user programs and a monitoring program for monitoring and grasping the operating states of the user programs in the third layer. The kernel modules are used to access hardware corresponding thereto in response to a request from the user program. The hang checking parts performs hang checking by inspecting whether the hardware access performed by the kernel module is in a normal state or not, and outputting a hardware trouble detection notification in cases where an abnormality in hardware access is detected. The monitoring program checks the operating states of the user programs corresponding to the notification, and executes a specified operation against hardware trouble when these operating states become such that the execution of the operation is permissible. As a result, the availability of an information processing device is increased.
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Baderman Scott T
Burdett James R.
Oki Electric Industry Co. Ltd.
Schell Joseph
Venable LLP
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