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FusionServer Pro Rack Server iBMC Alarm Handling 30

This document describes iBMC alarms in terms of the meaning, impact on the system, possible causes, and handling suggestions.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
ALM-0x28000005 CPU QPI/UPI Connection Failed (Cable, Major Alarm)

ALM-0x28000005 CPU QPI/UPI Connection Failed (Cable, Major Alarm)

Description

Alarm message:

CPU arg1 QPI/UPI arg2 link failed.

This alarm is generated when the QuickPath Interconnect (QPI/UPI) bus is faulty.

Alarm object: cable

Attribute

Alarm ID Alarm Severity Auto Clear

0x28000005

Major

Yes

Parameters

Name Meaning

arg1

Socket No. of the CPU.

arg2

Location of QuickPath.

Impact on the System

Server performance is affected.

Possible Causes

  • The QPI/UPI link is faulty.
  • The CPU is faulty.

Procedure

  1. Gracefully power off the server.
  2. Remove the CPU indicated in the alarm message, and check whether the CPU socket has twisted pins.

    • If yes, go to 5.

    • No, go to 3.

  3. Check whether the CPU is faulty.

    • If yes, go to 4.

    • If no, go to 5.

    The following is an example of clearing the alarm:

    Cable / Interconnect (CPU1 QPI/UPI Link)
    1. Switch CPU 1 with a functioning CPU.
    2. Power on the server. If the alarm is still generated for this CPU, the CPU is faulty. Otherwise, the QPI/UPI link on the mainboard is faulty.

  4. Gracefully power off the server, replace the faulty CPU, and power on the server again. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 6.

  5. Gracefully power off the server, replace the mainboard, and power on the server again. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 6.

  6. Contact Huawei technical support.
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Updated: 2019-08-05

Document ID: EDOC1000054724

Views: 332717

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