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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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ALM-0x0000001D CPU MCE/AER Error (CPU, Critical Alarm)

ALM-0x0000001D CPU MCE/AER Error (CPU, Critical Alarm)

Description

Alarm message:

CPU arg1 triggered an uncorrectable error, arg2 (SN: arg3, PN: arg4).
NOTE:

From iBMC V316, the CPU and disk alarms will also include the SN and part umber and the mainboard and memory alarms will also include the part number.

This alarm is generated when one of the following errors occurs:

  • The SMI2 link fails in non-memory mirroring mode.
  • The CPU runs an error program.
  • A parity error occurs on the voltage mode single ended (VMSE) link.
  • The memory controller receives data marked with the poison tag.

Alarm object: CPU

Attribute

Alarm ID Alarm Severity Auto Clear

0x0000001D

Critical

Yes

Parameters

Name Meaning
arg1

Socket No. of the CPU.

arg2

Error code of the alarm.

arg3

CPU serial number.

arg4

Part number.

Impact on the System

System stability is affected.

Possible Causes

  • The CPU runs an error program.
  • The mainboard is faulty.

Procedure

  1. Remove and reinstall the CPU. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 2.

  2. Switch the CPU with a functioning CPU in the same chassis, and check whether the alarm is still generated for this CPU.

    • If yes, go to 3.

    • If no, go to 4.

  3. Replace the CPU. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

  4. Replace the mainboard. Then, check whether the alarm is cleared.

    • If yes, no further action is required.

    • If no, go to 5.

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

Document ID: EDOC1000054724

Views: 331635

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