Bug ID 839389: TMM can crash when connecting to IVS under extreme overload

Last Modified: Dec 13, 2023

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

Known Affected Versions:
15.1.0, 15.1.0.1, 15.1.0.2, 15.1.0.3, 15.1.0.4, 15.1.0.5, 15.1.1, 15.1.2, 15.1.2.1, 15.1.3, 15.1.3.1, 15.1.4, 15.1.4.1, 15.1.5, 15.1.5.1, 15.1.6, 15.1.6.1, 15.1.7, 15.1.8, 15.1.8.1, 15.1.8.2, 15.1.9, 15.1.9.1

Fixed In:
16.0.0, 15.1.10

Opened: Oct 16, 2019

Severity: 2-Critical

Symptoms

TMM might crash while attempting to connect internally to an internal virtual server (IVS) and the connection setup cannot be completed due to internal factors.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- Extreme overload such that TMM is out of memory, or some other internal condition that prevents connection setup. -- Connection to an internal virtual server is attempted.

Workaround

None.

Fix Information

TMM does not crash while connecting to an IVS under extreme overload.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips