Bug ID 627279: Potential crash in a multi-blade chassis during CMP state changes.

Last Modified: Sep 13, 2023

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

Fixed In:
13.0.0, 12.1.2 HF1

Opened: Nov 07, 2016

Severity: 2-Critical

Symptoms

tmm on a blade may crash during a CMP and PEM change.

Impact

Traffic disrupted while tmm restarts.

Conditions

Multi-blade chassis undergoing a CMP state change. Additionally requires PEM policy changes resulting in usage record updates.

Workaround

Use an HA pair and have the active chassis fail over during a CMP state change. Allow for the new stand by chassis to complete its CMP state change activity.

Fix Information

Handle sessionDB failures gracefully.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips