Appendix D. Uefi/Post Error Codes; Finding The Uefi (Post) Error Code - Lenovo System x3850 X6 Installation And Service Manual

Appendix D. UEFI/POST error codes

Use this information for an introduction to the UEFI/POST error codes and descriptions of the fields that are
displayed for the event code.
UEFI/POST diagnostic error codes can be generated when the server starts up or while the server is running.
UEFI/POST codes are logged in the IMM event log in the server.
For each event code, the following fields are displayed:
Event identifier
An identifier that uniquely identifies an event.
Event description
The logged message string that appears for an event.
Explanation
Additional information to explain why the event occurred.
Severity
An indication of the level of concern for the condition. The severity is abbreviated in the event log to the
first character. The following severities can be displayed:
Table 65. Event severity levels
Severity
Informational
Warning
Error
User response
Indicate the actions that you should take to resolve the event.Perform the steps listed in this section in
the order shown until the problem is solved. After you perform all of the actions that are described in this
field, if you cannot solve the problem, contact your approved service provider.

Finding the UEFI (POST) error code

This topic provides information about how to locate the UEFI/POST error code.
Several methods are available to help you locate the UEFI/POST error code based on the systems-
management platform you are using or if you are viewing test results generated by the DSA Preboot
diagnostic program.
Note: Not all events have a UEFI (POST) error code associated with the event.
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Description
An informational message is something that was
recorded for audit purposes, usually a user action or a
change of states that is normal behavior.
A warning is not as severe as an error, but if possible,
the condition should be corrected before it becomes an
error. It might also be a condition that requires
additional monitoring or maintenance.
An error typically indicates a failure or critical condition
that impairs service or an expected function.
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