Bug ID 529632: Host CPU subsystem power-off event caused by Super IO

Last Modified: Apr 28, 2025

Affected Product(s):
BIG-IP TMOS(all modules)

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.0.0 HF2, 12.0.0 HF3, 12.0.0 HF4

Opened: Jun 24, 2015

Severity: 3-Major

Symptoms

You notice the following warning message in /var/log/ltm: warning chmand[5610]: 012a0004:4: Host CPU subsystem power-off event caused by Super IO.

Impact

This message simply indicates that power was cycled using the AOM or LOP.

Conditions

This message is generated when power cycling a device using LOP or AOM.

Workaround

None needed. This is an expected message.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips