Bug ID 1159397: The high utilization of memory when blade turns offline results in core

Last Modified: Mar 30, 2024

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

Known Affected Versions:,,,,,, 14.1.5,,,,,, 15.1.8,,, 16.1.3,,,,,, 17.0.0,,

Fixed In:
17.1.0, 16.1.4, 15.1.9

Opened: Sep 21, 2022

Severity: 1-Blocking


The TMM memory utilization continue to increase after a blade turns offline.


The TMM memory utilization will finally cause out-of-memory errors or cores and TMM processes will restart. The service will be interrupted.


Blade turns offline.



Fix Information

Error code ERR_MEM will be handled successfully.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips