Bug ID 422087: Low memory condition caused by Ram Cache may result in TMM core

Last Modified: May 29, 2024

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

Known Affected Versions:
11.5.1 HF1, 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, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.3.0, 11.4.0, 11.4.1, 11.6.0, 11.6.1, 11.6.2, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3, 12.1.0 HF1, 12.1.0 HF2, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3 HF2, 11.4.1 HF6, 11.3.0 HF9

Opened: May 29, 2013

Severity: 3-Major

Related Article: K16326

Symptoms

As a result of this issue, you may encounter the following symptoms: - The TMM process crashes with a SIGABRT - The BIG-IP system fails over to the peer system in a high-availability configuration. - The BIG-IP system generates a TMM core file in the /var/core directory.

Impact

Traffic disrupted while tmm restarts.

Conditions

- Associating a Web Acceleration profile with a virtual server - TMM has become deficient in memory.

Workaround

There is no workaround for this issue.

Fix Information

Tmm no longer crashes in certain low memory conditions with Ram Cache enabled.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips