Bug ID 1498089: Intermittent M1845 PSU output OK deassertion and recovery within seconds

Last Modified: Oct 19, 2025

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

Known Affected Versions:
F5OS-A 1.0.0, F5OS-A 1.0.1, F5OS-A 1.1.0, F5OS-A 1.1.1, F5OS-A 1.2.0, F5OS-A 1.3.0, F5OS-A 1.3.1, F5OS-A 1.3.2, F5OS-A 1.4.0, F5OS-A 1.5.0, F5OS-A 1.5.1, F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.5.4, F5OS-A 1.7.0, F5OS-A 1.8.0, F5OS-A 1.8.3

Opened: Jan 31, 2024

Severity: 4-Minor

Symptoms

The PSU keeps getting 'main output off' and 'output OK' in r5k device. This indicates page 0 (main) output off and page 0 (main) power-good negated via PMBus events, and then recover within a couple of seconds.

Impact

When this issue occurs, there is usually no adverse impact aside from the log messages.

Conditions

This is a rare issue, and the conditions necessary for its occurrence are unknown. -- r5xxx devices -- Murata M1845 PSU

Workaround

None

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips