QuickPath Interconnect (QPI) link error not reported at POST

Troubleshooting

Problem

When a QuickPath Interconnect (QPI) link error occurs during Power-On Self-Test (POST), it is not reported by the system. This is a permanent limitation for the affected systems.

Resolving The Problem

Source

RETAIN tip: H212656

Symptom

When a QuickPath Interconnect (QPI) link error occurs during Power-On Self-Test (POST), it is not reported by the system.

This is a permanent limitation for the affected systems.

Affected configurations

The system can be any of the following IBM servers:

System x3750 M4, type 8718, any model
System x3750 M4, type 8722, any model
System x3750 M4, type 8733, any model
System x3750 M4, type 8752, any model

This tip is not software specific.

This tip is not option specific.

The following system BIOS/uEFI levels are affected:

UEFI Build ID: any UEFI build for the affected systems.

The system has the symptom described above.

Solution

This is a permanent limitation for the affected systems.

Workaround

The error will be handled when the operating system is started. The active operating system and system will report S.680B8. Refer to the Problem Determination and Service Guide (PDSG) S.680B8 for the recommended service action.

Additional information

The Problem Determination and Service Guide will provide the necessary actions to perform when this error occurs.

Document Location

Worldwide

Operating System

System x:Operating system independent / None

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Tips

QuickPath Interconnect (QPI) link error not reported at POST - IBM System x3750 M4