X3650/X3550 M5 "sensor ME error" after UEFI fw upgrade - Lenovo x86 Servers

Resolving The Problem

Source

RETAIN Tip: Not used

Symptom

The Integrated Management Module (IMM) error log event "Sensor ME Error has transitioned to critical from a less severe state" is seen after UEFI firmware upgrade. The system will not boot.

Affected Configurations

The system may be any of the following Lenovo servers:

• Lenovo System x3500 M5, type 5464, any model
• Lenovo System x3550 M5, type 5463, any model
• Lenovo System x3650 M5, type 5462, any model

This tip is not software specific.

This tip is not option specific.

The following system BIOS/UEFI level(s) are affected: v1.02, v1.03, v1.10

The system has the symptom described above.

Solution

This behavior will be corrected in a future release of UEFI.

The target date for this release is scheduled for first quarter 2016.

The file is or will be available by selecting the appropriate Product Group, type of System, Product name, Product machine type, and operating system on IBM Support's Fix Central web page, at the following URL:

http://www.ibm.com/support/fixcentral/

Workaround

Before UEFI firmware upgrade, follow the following action to work around the issue:

1. Update IMM firmware to the latest version.
2. Reboot the IMM, then reboot the system.
3. Load UEFI default.
4. Reboot the system.
5. Upgrade UEFI to the latest version.
6. Reboot the system.

If the issue still occurs and the system cannot boot anymore, replace the system board and upgrade the firmware following the workaround steps listed.