Bug ID 526637: tmm crash with APM clientless mode

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP APM(all modules)

Known Affected Versions:
11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.10, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.5.3 HF2, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5, 11.6.0 HF6, 11.6.0 HF7, 11.6.0 HF8, 12.0.0

Fixed In:
12.1.0, 12.0.0 HF1, 11.6.1, 11.5.4

Opened: Jun 05, 2015
Severity: 3-Major

Symptoms

A condition that occurs when using APM in clientless mode can cause a rare tmm crash

Impact

Traffic disrupted while tmm restarts.

Conditions

Only occurs on 11.5 and later, and while using clientless mode 3. This crash has been very difficult to reproduce.

Workaround

none

Fix Information

tmm will no longer crash in APM clientless mode; it now sends a reset.

Behavior Change