Bug ID 573366: parking command used in the nesting script of clientside and serverside command can cause tmm core

Last Modified: May 29, 2024

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

Known Affected Versions:
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, 12.0.0, 12.0.0 HF1, 12.1.0 HF1, 12.0.0 HF2, 12.1.0 HF2, 12.0.0 HF3, 12.0.0 HF4, 12.1.1 HF1, 12.1.1 HF2, 12.1.2 HF1, 12.1.2 HF2, 12.1.0, 12.1.1, 12.1.2, 12.1.3, 12.1.3.1

Fixed In:
13.0.0, 12.1.3.2

Opened: Feb 12, 2016

Severity: 3-Major

Symptoms

tmm cores in configuration using certain iRules

Impact

Traffic disrupted while tmm restarts.

Conditions

An iRule that parks the interpreter is used in the nesting script of clientside and serverside command. (e.g. when doing a table lookup). For more information on iRule commands that park, see SOL12962: Some iRule commands temporarily suspend iRule processing, https://support.f5.com/kb/en-us/solutions/public/12000/900/sol12962.html

Workaround

move the parking command outside the nesting script.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips