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Troubleshooting Guide

CloudEngine 16800, 12800, 12800E, 8800, 7800, 6800, and 5800 Series Switches

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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).
A Board Resets

A Board Resets

Fault Description

A board resets unexpectedly

Common Causes

  • The board is reset using a command or is powered off.

  • The software or hardware of the board is faulty.

Troubleshooting Procedure

  1. Run the display device board reset slot-id command in the diagnosis view to check the cause of the reset.

    <HUAWEI> system-view
    [~HUAWEI] diagnose
    [~HUAWEI-diagnose] display device board reset 4
    Board 4 reset information:
    -- 1. DATE:2013-10-28  TIME:16:11:34  BARCODE:NULL  RESET Num:1
    --    
    --    BootMode:NORMAL
    --    BootCode:0x060100ff
  2. Handle the problem using the solution provided for the specific cause in Table 10-2.

    Table 10-2 Card reset causes and troubleshooting instructions

    Cause

    Description

    Suggestion

    User operations

    Reset board from command.

    A user has reset the board using the command line interface or network management system.

    Check whether the board is manually reset using a command or powered off.

    Power off the board.

    Reset board from PIC command.

    Get pic offline message, and power off.

    Canbus request to power off the board.

    Power off board from command.

    Environment

    board cold reset(COLD Reset) The device is powered off. Check the power supply environment to ensure normal power supply for the device.

    System loading

    EPLD is upgrade, and reset board.

    The board resets after the EPLD is updated.

    This is a normal reset and no action is required.

    Board update by JTAG, and reset board.

    The board resets after it is upgraded through the JTAG channel.

    Board update mbus, and reset board.

    The board resets after the Mbus is updated.

    Software exceptions

    Board task exception occurs and reset lpu.

    The system detects a software exception.

    Collect logs, diagnostic information, and the output of the display reset-snapshot time (in diagnostic view) command, and contact technical support personnel.

    Board task deadloop occurs and reset lpu.

    The system detects a deadloop on the board.

    Collect logs, diagnostic information, and the output of the display reset-snapshot time (in diagnostic view) command, and contact technical support personnel.

    Board no enough Memory, and reset board.

    The memory is used up.

    1. Check whether the memory usage is high.

    2. Collect memory information, logs, and diagnostic information, and contact technical support personnel.

    Board Memory overload, and reset board.

    Component report failure. The component fails to report a failure. Run the display reportfailure number verbose slot slot-id command to check the failure reason, collect logs, diagnostic information, and the output of the display reset-snapshot time (in diagnostic view) command, and contact technical support personnel.

    LAN Switch parity/ecc error, and reset board.

    A soft error occurred on a chip.

    Collect logs, diagnostic information, and the output of the display reset-snapshot time (in diagnostic view) command, and contact technical support personnel.

    Device management

    The heartbeat lost and reset lpu.

    The MPU does not receive heartbeat messages from the board.

    Collect logs, diagnostic information, and the output of the display reset-snapshot time (in diagnostic view) command, and contact technical support personnel.

    Semls register failed, and reset board.

    The board fails to register after trying for a long time.

    Collect serial port information recorded during startup of the board and contact technical support personnel.

    Hardware components

    Board selftest error, and reset board.

    Self check of the board fails.

    Reinstall the board or install it into another slot, and then check whether the board can work normally. If the fault persists, the board is faulty. Contact technical support personnel.

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Updated: 2020-01-07

Document ID: EDOC1000060766

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