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ippStsErr
generic negative Intel IPP error identifies a scoped API or runtime boundary rather than a general machine failure. The IPP function aborted with the generic negative error because it could not report a more specific status at that boundary.
Where the result is produced
Intel IPP assigns meaning to the sign of IppStatus: negative is error, zero is clean completion, and positive is warning with potentially usable output. Output validation is therefore inseparable from status handling.
Intel IPP uses negative values for errors, zero for no warning/error, and positive values for warnings that can accompany completed output. Do not treat every nonzero status as an aborted operation. Keep the numeric value, declared return type, and first returning operation together with ippStsErr; the same integer can belong to a different status namespace in another API.
Evidence to preserve
| Capture | Diagnostic value |
|---|---|
| Exact IPP function, library version, CPU dispatch layer, arguments, buffer sizes, and first negative return. | Identifies the concrete object and operation associated with generic negative Intel IPP error. |
| IppStatus sign and value interpreted using the same IPP headers as the linked library. | Separates argument or lifecycle state from the provider beneath the returned status. |
| Output-buffer state and checksum before and after the call. | Creates a stable before-and-after comparison. |
| Reference result or invariant appropriate to the primitive domain. | Shows whether that result is the first result or a translated summary. |
Preserve IppStatus sign and value interpreted using the same IPP headers as the linked library in an investigation of the original status before reinstalling, rebooting, clearing state, or substituting another device or provider. A success observed only after such a change is useful comparison data, but it does not identify the original cause.
A controlled diagnostic sequence
- Run the function with the smallest documented valid input. Record the first returned status and any state transition observed.
- Run one boundary input and one known-good control without changing dispatch/library version. Treat a changed result as a new boundary rather than automatic resolution of the failing return.
- Check the status immediately; IPP does not preserve a global last-status value. Repeat the original supported operation so the check remains relevant to the original call.
Correction and proof
Targeted correction. Validate all documented preconditions and update to a matching library/header before escalating the generic failure. Modify only the object, argument, policy, provider, or lifecycle state identified by the collected evidence.
Acceptance criterion. The original function returns a specific status or success and output buffers remain unchanged on forced invalid input. Re-run the original operation that produced the recorded status under its original identity and supported configuration, then keep one negative control that still produces the expected neighboring outcome.
Technical references
References for ippStsErr on the deployed platform version.
- Intel: Integrated Performance Primitives product and documentation — defines the status namespace used.
- Intel IPP developer guide — documents the API or lifecycle boundary behind the original result.
- Intel IPP error-reporting reference — provides ABI, implementation, or protocol context.
- AllStat source record: Intel ippdefs.h semantics — supports the portability and verification limits.
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