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SPARC M7 Series Servers : Suspect list for PCIe link faults is incomplete (Doc ID 2054473.1)

Last updated on FEBRUARY 03, 2019

Applies to:

SPARC M7-8 - Version All Versions and later
Information in this document applies to any platform.

Purpose

When a fault is detected for the PCIe link to an add-in card slot, there should be three fault suspects:

Ex :
      /SYS/CMIOUn/IOH/IOSn/RP0
      /SYS/CMIOUn/PCIEn

Ex :
      /SYS/CMIOUn/PCIEn/CAR

Ex :
      /SYS/CMIOUn/PCIEn/CAR/CARD


However the list of suspects as reported by FMA is incomplete; only one or two suspect FRUs are identified.  
The CMIOU is always diagnosed faulty.

The following faults are impacted :


Whenever a root port or PCIe slot is faulted, also consider the PCIe hot-plug carrier and PCIe add-in card as suspects. Use the following information to determine if an add-in slot is affected:

Root Port PCIe Slot
/SYS/CMIOUn/IOH/IOS3/RP0    /SYS/CMIOUn/PCIE1
/SYS/CMIOUn/IOH/IOS0/RP0   /SYS/CMIOUn/PCIE2
/SYS/CMIOUn/IOH/IOS1/RP0    /SYS/CMIOUn/PCIE3

 

Fix available in 9.5.2.g
  

Troubleshooting Steps

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In this Document
Purpose
Troubleshooting Steps
References

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