Troubleshooting Interconnect errors on Sun Fire[TM] v1280, 3800, 4800, 4810, 6800, E2900, E4900, E6900, and Netra 1280, 1290 systems. (Doc ID 1019646.1)

Last updated on MAY 03, 2021

Applies to:

Purpose

Description

This document provides the basic troubleshooting steps to follow when needing to diagnose the cause of Interconnect Errors on Sun Fire[TM] Midrange Servers

Symptoms:

• A System Board, I/O Board, or Repeater may have been recently serviced, replaced, or reseated.
• A domain may not be able to boot.
• A domain could be described as down, can't be setkeyswitched on, can't be powered on, or as having failed POST.
• Error messages displayed in the System Controller (SC) log files (showlogs -v) or on the console could include messages like:

Failed AR interconnect test.

CPU Board V3 at /N0/SB1 has been removed from domain C due to a failure in interconnection test.
Service action required.

AR Interconnect test: System board SB1/ar0 address repeater connections to system board RP3/ar0 failed

DX Interconnect test: System board /N0/SB1 data line connections to system board RP0 failed

NOTE:  The example errors can be associated to any domain, RP, or any System Board (SB) or I/O Board (IB), and the examples above are not exclusive to these faults.

System Type:

• Sun Fire[TM] v1280, 3800, 4800, 4810, 6800, E2900, E4900, E6900
• Netra[TM] 1280, 1290

Troubleshooting Steps