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What does "CAM3 Packet Error 1 on port range xxx" message indicate ?

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TitleWhat does "CAM3 Packet Error 1 on port range xxx" message indicate ?
Question
What does the following message indicate?
May 14 12:39:56:E:CAM1 Packet Error 1 on port range 1/1 - 1/10
May 14 12:39:56:E:CAM1 Packet Error 0 on port range 1/1 - 1/10
May 14 12:39:05:I:IFSR: Error FIFO Overflow on PPCR 0
May 14 12:38:56:E:CAM1 Response Packet FIFO4 Overflow on port range 1/1 - 1/10
May 14 12:38:56:E:CAM1 Response Packet FIFO3 Overflow on port range 1/1 - 1/10
May 14 12:38:56:E:CAM1 Response Packet FIFO2 Overflow on port range 1/1 - 1/10
May 14 12:38:56:E:CAM1 Response Packet FIFO1 Overflow on port range 1/1 - 1/10
May 14 12:38:56:E:CAM1 Packet Error 1 on port range 1/1 - 1/10
May 14 12:38:56:E:CAM1 Packet Error 0 on port range 1/1 - 1/10

 
Environment
  • MLX platform
Answer
  • These logs indicate a parity error on the card while read/write on CAM happens , once this happens the system will try to corrected it automatically in software (In-Field-Soft-Repair).
  • The Sysmon NP memory error monitoring event monitors memory errors on interface modules.
  • Find the description of these messages in 6200 monitoring guide
Additional notes
They're typically cleared by reloading the LP module and that we typically recommend RMA only after post-reload reoccurrences.
We can manually power cycle the LP if  the error on LP wasn't repaired by "In-Field-Soft-Repair" function.

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