Bug ID 516669: Rarely occurring SOD core causes failover.

Last Modified: Oct 01, 2018

Bug Tracker

Affected Product:  See more info
BIG-IP TMOS(all modules)

Known Affected Versions:
11.2.1, 11.3.0, 11.4.1, 11.5.1, 11.5.1 HF1, 11.5.1 HF10, 11.5.1 HF11, 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, 11.5.2, 11.5.2 HF1, 11.5.3, 11.5.3 HF1, 11.6.0, 11.6.0 HF1, 11.6.0 HF2, 11.6.0 HF3, 11.6.0 HF4, 11.6.0 HF5

Fixed In:
12.0.0, 11.6.0 HF6, 11.5.3 HF2, 11.4.1 HF10

Opened: Apr 06, 2015
Severity: 3-Major
Related AskF5 Article:
K34602919

Symptoms

Spontaneous failover occurs rarely due to a SOD core dump.

Impact

When SOD cores, all traffic groups fail over to another device. Non-mirrored flows will be interrupted.

Conditions

Cannot reproduce the issue reliably, so conditions for the crash are unknown.

Workaround

None.

Fix Information

Errors in handling memory have been fixed to prevent allocation failure.

Behavior Change