The NSU is able to detect and report a number of error conditions in both the protocol and packet domains. Each error type can be enabled or disabled individually. When an error occurs certain data is logged and an interrupt can be raised.
The NSU error conditions fall into the following categories:
- AXI read data parity errors.
- AXI protocol rule violations.
- Timeouts.
- NoC packet ECC errors. Single-bit correctable and double-bit non-correctable errors are caught and recorded.
- Virtual channel credit overflow and underflow.
Note: While the NSU supports detection and
reporting of these error conditions, there is currently limited software support for
these features. To debug NoC Error Conditions, see AR 000035077.