Bug ID 1114173: LOP Controller RX error: unknown

Last Modified: Apr 28, 2025

Affected Product(s):
F5OS F5OS(all modules)

Known Affected Versions:
F5OS-A 1.2.0, F5OS-C 1.3.0, F5OS-C 1.3.1, F5OS-C 1.3.2

Fixed In:
F5OS-A 1.3.0

Opened: Jun 14, 2022

Severity: 3-Major

Symptoms

Within the platform.log file, one can see a large number of error messages with the text including "LOP Controller RX error: unknown".

Impact

The issue does not impact the operation of the product.

Conditions

When the LOP firmware is upgraded to a recent version, new messages around the PSU PMBus have been added. When the application software is rolled back to an older version, the HAL layer no longer recognizes those messages and reports an unknown message error.

Workaround

Updating to a more recent version of the rSeries ISO will prevent the message from showing up in the platform.log file.

Fix Information

Update to a more recent version of the rSeries ISO.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips