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Knowledge Article: ID B00222000: Standby MM failure on system management bus, check devices

Description

The advanced management module encountered a failure on the system management bus. A failover was initiated and the advanced management module is now the standby advanced management module.

Causes

The advanced management module encountered a failure on the system management bus.

Implications

The standby advanced management module will take over as the advanced management module.

Resolutions

Perform these steps:

  1. At your earliest convenience, initiate a failover to make the advanced management module the primary advanced management module. This will reset the advanced management module.
  2. Verify that the advanced management module can communicate with other components in the chassis:
    • If it cannot communicate with other any devices, perform these steps:
      1. Reset the advanced management module.
      2. Replace the advanced management module.
    • If it can communicate with other devices, go to the built-in self test (BIST) results from the advanced management module Status page of the advanced management module Web interface to determine which component may be causing a problem.

Additional information

To find additional troubleshooting help, visit the "IBM Support & downloads" Web site, select "BladeCenter" for "Browse products for support" panel. At "Support & downloads quick start" page, select your product for "Choose your products", and "Troubleshooting" for "Choose your page", then select "View your page" for "See your results". To narrow the results, search with keywords that are related to this article, such as "fail", "Chassis", etc. in the "Search support" field at the right panel.

To download the latest firmware, visit the same "IBM BladeCenter Support search" Web site, select "Download" for "Task", and then select "Product Family", "Machine type" and "Operating system" of interest (from the pull-down lists). You can refine the search by selecting the category of the download of your interest from the "Refine results" list.

To find the replacement part number (or the FRU number) for the component replacement, visit the "BladeCenter and System x Product Information - Servers" Web site, select your product from "IBM BladeCenter products" table. Then select "System service parts listing" for your product.