The most common errors from the Mistral ASIC on the MSFC are TM_DATA_PARITY_ERROR, SYSDRAM_PARITY_ERROR, SYSAD_PARITY_ERROR, and TM_NPP_PARITY_ERROR. Possible causes of these parity errors are random static discharge or other external factors.
Recommended Action: If the error message appears only once (or rarely), monitor the system log to determine whether the error message was an isolated incident. If the message recurs, check the environmental conditions for problems such as power brownouts, static discharges, or strong EMI fields. If these environmental conditions are within normal ranges and the error continues to appear, the supervisor engine may need to be replaced.
Related documents- No specific documents apply to this error message.
>> TM_NPP_PARITY_ERROR Is this a hardware problem?
it is an hardware problem but it could be induced by EMI interference as explained above.
I think you should do an RMA to change this supervisor linecard
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