Bug ID 442618: TMM may core in low memory situations

Last Modified: Oct 16, 2023

Affected Product(s):
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

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 Article: K16101


TMM cores after running out of memory.


Traffic disrupted while tmm restarts.


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



Fix Information

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

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips