Bug ID 625085: lasthop rmmod causes kernel panic

Last Modified: Sep 13, 2023

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

Fixed In:
12.1.2 HF1

Opened: Oct 26, 2016

Severity: 3-Major

Symptoms

If someone attempts to unload the lasthop kernel module, it will cause a kernel panic.

Impact

The system reboots.

Conditions

Attempting to unload the lasthop kernel module.

Workaround

Avoid running the following command: # rmmod lasthop

Fix Information

The lasthop kernel module should never be unloaded. The system now prevents the lasthop kernel module from being unloaded, so no kernel panic occurs.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips