Bug ID 448606: tmm cores with panic string %slistener ref non-zero%s

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.6.2 HF1, 11.2.0, 11.2.1, 11.3.0, 11.4.0, 11.4.1

Fixed In:
11.6.0, 11.5.1 HF5, 11.4.1 HF9, 11.2.1 HF15

Opened: Feb 11, 2014

Severity: 3-Major

Related Article: K15556

Symptoms

The listener ref count might overflow and cause a TMM core and crash.

Impact

TMM cores with panic string tmm_panic ... %slistener ref non-zero%s. Traffic disrupted while tmm restarts.

Conditions

This intermittent issue occurs when the listener ref count increases and is never released.

Workaround

None.

Fix Information

The listener ref count no longer overflows and causes a TMM core and crash.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips