Interrupt Handler Hardware Error Identification
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Solution Overview
Problem
In existing computing systems, the process of identifying the origin of an error message via a communication bus is inefficient, leading to delays in error handling and potential hardware failures due to the scanning of connected components by firmware and operating systems.
Innovation Solution
An interrupt handler is configured to determine the identity of a hardware device based on an error message transmitted via a communication bus, sharing this information with a remediation service to facilitate prompt error remediation operations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If firmware and operating system scan components connected to the communication bus to identify the hardware device that detected the error, then the system can identify the error source, but the processing time is increased and delays occur in error handling
Solution Approach 1:
The patent applies preliminary action by having the interrupt handler extract and store the hardware device identifier from the error message header immediately when the error message is received, before any scanning operations occur. This pre-extraction of identification information eliminates the need for subsequent scanning by firmware and operating system, thereby resolving the contradiction between accurate error source identification and fast error handling.
2Measurement precision
If the system scans components connected to the communication bus to identify the hardware device, then complete device identification can be achieved, but hardware devices may enter failure state before remediation
Solution Approach 1:
The interrupt handler performs preliminary extraction of the hardware device identifier from the error message header and makes it immediately available to the remediation service. This eliminates the time delay associated with scanning operations, allowing the remediation service to quickly identify and address the problematic device before it enters a failure state, thus maintaining both identification completeness and device reliability.
Solution Approach 2:
The patent introduces an intermediary mechanism where the interrupt handler extracts and stores the hardware device identifier in a readily accessible location, serving as a bridge between the error message reception and the remediation service. This intermediary step provides the remediation service with immediate access to accurate device identification without requiring time-consuming scanning operations, enabling faster remediation while ensuring complete device identification.
3Ease of repair
If firmware transmits interrupt signals to operating system for error processing, then error remediation can be performed, but additional processing time is introduced
Solution Approach 1:
The interrupt handler performs preliminary extraction and storage of the hardware device identifier from the error message header before transmitting information to the operating system. This pre-processing of identification information streamlines the subsequent remediation operations by the operating system, eliminating the need for scanning operations and reducing overall remediation processing time while maintaining full error remediation capability.
Data Source
AI summary
Technologies are provided for determining an identity of a hardware device that transmitted an error message via a communication bus. A chipset of the communication bus can be configured to transmit an interrupt to an interrupt handler in response to receipt of the error message. The interrupt handler can be configured to determine an identity of the hardware device based on the contents of the error message. The interrupt handler can be configured to transmit a notification to an error remediation service, wherein the notification is associated with the identity of the hardware device. The remediation service can be configured to use the identity of the hardware device to perform one or more error remediation operations. In at least some embodiments, the interrupt handler is configured to store the identifier in a memory and the error remediation service is configured to retrieve the identifier from the memory.