February 2003
Intermediate to advanced
592 pages
11h 47m
English
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Error Reporting
The three error reporting methods, error responses, fatal and non-fatal interrupts, and Sync flood have different system implications. They are described here in order of increasing severity.
Error Responses (Non-Posted Requests Only)
The HyperTransport specification considers error responses the preferred error reporting mechanism because they are the most localized (conveyed only from target to requester). Error responses are transaction-specific and do not prevent the link from performing other transfers — even to or from the same device.
Every RdSized or Atomic Read-Modify-Write request results in the return of a Read response from the target, followed by all of the requested data. All non-posted WrSized and Flush requests ...
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