Bug ID 624733: Potential crash in a multi-blade chassis during CMP state changes.

Last Modified: Sep 13, 2023

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

Known Affected Versions:
12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Oct 25, 2016

Severity: 2-Critical

Symptoms

Potential TMM crash resulting in flows being impacted.

Impact

Traffic disrupted while tmm restarts.

Conditions

A multi-blade chassis with PEM needs to undergo a CMP state change with flows on the active blade.

Workaround

None

Fix Information

NULL check has been added to facilitate a graceful failure during asynchronous handling.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips