Bug ID 477924: System can crash referencing compression provider where selection of provider has been deferred

Last Modified: Sep 13, 2023

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

Known Affected Versions:
11.0.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 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, 11.3.0, 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 HF4

Opened: Sep 04, 2014

Severity: 3-Major

Related Article: K15800

Symptoms

System can crash referencing compression provider where selection of provider has been deferred.

Impact

Tmm cores, Unit fails over. This occurs intermittently.

Conditions

Network flow that is likely to require compression is detected. Unusual condition occurs where provider is never selected, but system reference selected provider anyway.

Workaround

Run the command: tmsh modify sys db compression.allowproviderselectiondeferral value disable

Fix Information

Select provider in previously unknown case, prior to reference. New feature defers selection of provider to improve provider selection behavior.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips