Bug ID 1990257: PSU fault alarm triggered due to outdated system data when PSU is removed and then reinserted

Last Modified: Aug 11, 2025

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

Known Affected Versions:
F5OS-A 1.5.2, F5OS-A 1.5.3, F5OS-A 1.8.0

Opened: Jul 21, 2025

Severity: 3-Major

Symptoms

A PSU fault alarm occurs but the PSU is inserted and operational.

Impact

Stale PSU Fault alarm will be present

Conditions

This is applicable only to r2000 and r4000 Series models. Issue happens only when BMC events arrive in below sequence 1.Received Output inactive event 2.Received Input lost event 3.Now PSU is removed and reinserted 4.Received Input lost event 5.Received Input active event This case, PSU Fault alarm is not getting cleared

Workaround

Stale alarm will get cleared through running below command docker exec -it platform-hal psf run POST:bmc/rearm-all-sensors

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips