Bug ID 660187: TMM core after intra-chassis failover for some instances of subscriber creation

Last Modified: Nov 07, 2022

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

Known Affected Versions:
12.1.0, 12.1.0 HF1, 12.1.0 HF2, 12.1.1, 12.1.1 HF1, 12.1.1 HF2, 12.1.2, 12.1.2 HF1, 12.1.2 HF2, 12.1.3,, 13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1,

Opened: Apr 24, 2017

Severity: 3-Major


If intra-chassis failover is triggered in a loaded chassis, the tmm crashes in some cases of subscriber creation.


TMM crashes. The slot reboots, potentially triggering further daglib hash changes. May result in cascading core under load. Traffic disrupted while tmm restarts.


-- The chassis is loaded with many blades. -- The high availability (HA) configuration is intra-chassis. -- RADIUS subscriber is added with custom attributes. -- The subscriber attributes are corrupted or erased.



Fix Information

Verify the validity of the AVPs before copying the attributes

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips