Bug ID 694078: In rare cases, TMM may crash with high APM traffic

Last Modified: May 14, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP APM, ASM(all modules)

Known Affected Versions:
13.1.0, 13.1.0.1, 13.1.0.2, 13.1.0.3, 13.1.0.4, 13.1.0.5, 13.1.0.6, 13.1.0.7

Fixed In:
14.0.0, 13.1.0.8

Opened: Nov 12, 2017
Severity: 2-Critical

Symptoms

Intermittent tmm core under load.

Impact

The BIG-IP system stops processing traffic while the TMM restarts.

Conditions

-- Provision APM (at least). -- Additional required conditions are not well understood. -- Seems more likely to occur when APM is provisioned with other modules, especially ASM or AVR.

Workaround

None.

Fix Information

Tmm core no longer occurs with high APM traffic.

Behavior Change