Bug ID 442618: TMM may core in low memory situations

Last Modified: Feb 13, 2019

Bug Tracker

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

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0, 11.4.1, 11.5.0, 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

Fixed In:
11.6.0, 11.5.2, 11.5.0 HF1, 11.4.1 HF4, 11.4.0 HF6

Opened: Jan 10, 2014
Severity: 3-Major
Related AskF5 Article:
K16101

Symptoms

TMM cores after running out of memory.

Impact

Traffic disrupted while tmm restarts.

Conditions

The BIG-IP system cannot keep up with incoming packet rate, leading to allocated memory build-up.

Workaround

None

Fix Information

Improved memory handling in TMM prevents some TMM crashes in low-memory situations.

Behavior Change