Bug ID 483353: HTTP compression might cause TMM crash in low-memory conditions

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, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4, 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 HF5

Opened: Oct 08, 2014

Severity: 3-Major

Related Article: K16203

Symptoms

TMM might crash in HTTP compression in low-memory conditions when unable to initialize the compression provider.

Impact

Traffic disrupted while tmm restarts.

Conditions

HTTP compression is configured and TMM is low on memory.

Workaround

Remove HTTP compression from the virtual to avoid the issue.

Fix Information

HTTP compression now gracefully handles failed compression provider initialization.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips