Data Domain DD6410, 9410, 9910: Uncorrectable Memory Errors, BIOS Version Before 2.5.4

Summary: PowerProtect Data Domain systems shipped before March 2025 may be affected by a defect in Intel’s Memory Reference Code, leading to elevated rates of Uncorrectable Memory Errors.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.
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Symptoms

  • Increased rates of Uncorrectable Memory Errors
  • MEM7114 - Memory events logged in SEL/LC log
MEM7114 - A critical diagnostic event occurred in the memory device at arg1. Contact your service provider for assistance in replacing the device.

Arg1 is the affected DIMM slot number.

Affected platforms:

  • DD6410 
  • DD9410
  • DD9910
  • Running BIOS before 2.5.4

Cause

A defect in Intel’s Memory Reference Code, leads to elevated rates of Uncorrectable Memory Errors on certain DIMMs.

The defect resides in BIOS versions before 2.5.4, which was released in March 2025. BIOS 2.5.4 includes updated Intel Memory Reference Code that resolves the issue.

Resolution

Customers can resolve this issue by upgrading to a DDOS version that includes BIOS 2.5.4 or later. BIOS updates are bundled with DDOS releases and are customer-installable.

Recommended DDOS Versions

  • DDOS 8.4.0.0-1166200
  • DDOS 8.3.1.10-1192561
  • Or any later DDOS version

Note: There is no separate BIOS upgrade process. BIOS updates are automatically applied during the DDOS upgrade.

Additional Information

Upgrade Instructions

  1. Verify Current DDOS Version:
    • Run CLI command: # system show version
    • Check system BIOS version using CLI command # enclosure show all
      • Check the Device VPD FW Information section of that output to get the BIOS version, for example:

 HW VPD info  

  • Confirm that the BIOS version is below 2.5.4
 
Note: The screenshot example is NOT affected as it is running a version later than 2.5.4 (that is, 2.19.1)
 
  1. Download the Latest DDOS Package:
  2. Initiate Upgrade:
  3. Post-Upgrade Validation:
    • Confirm BIOS version using CLI command # enclosure show all 1
    • Monitor system logs for memory error events.

 Additional comments:

  • This article is part of a Proactive Field Notification (PFN) to prevent unnecessary DIMM replacements and potential SEV 1 incidents.
  • Customers with affected systems are encouraged to upgrade promptly.
  • If assistance is required, contact Dell Support referencing this article (# 000386130).

Affected Products

Data Domain
Article Properties
Article Number: 000386130
Article Type: Solution
Last Modified: 21 Nov 2025
Version:  2
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