Bug ID 472385: TMM asserts invalid ref count if default config is loaded when TMM is handling traffic over ECMP routes

Last Modified: Jul 12, 2023

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

Known Affected Versions:
11.3.0, 10.2.1

Opened: Jul 18, 2014

Severity: 2-Critical

Symptoms

There is a race condition during config load that causes Equal Cost Multipath (ECMP) route sweep to assert on invalid refcount, which causes a TMM core dump.

Impact

TMM restarts and drops a core.

Conditions

Load default config when TMM is handling a moderate amount of traffic going over ECMP routes.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips