Bug ID 421791: Out of Memory Error

Last Modified: Nov 07, 2022

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

Known Affected Versions:
11.3.0, 11.4.0, 11.4.1, 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

Fixed In:
11.6.0, 11.5.3 HF2, 11.4.1 HF9

Opened: May 23, 2013

Severity: 3-Major

Related Article: K15559


TMM crashes due to a segmentation violation early in a WAM interface. Most likely, before the crash occurs the logs should show messages indicating that the sweeper was activated one or more times.


TMM crashes.


Only happens when free memory is very low to non-existent.


Reduce load on box if possible.

Fix Information

Guards were placed on the module interfaces to bypass the module when the necessary memory could not be allocated for a connection.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips