Bug ID 858609: TMM crash on hypervisors that use MHDAG or DAGv2 hashes

Last Modified: Nov 07, 2022

Bug Tracker

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

Known Affected Versions:
14.1.0, 14.1.0.1, 14.1.0.2, 14.1.0.3, 14.1.0.5, 14.1.0.6, 14.1.2, 14.1.2.1, 14.1.2.2, 14.1.2.3, 14.1.2.4, 14.1.2.5, 14.1.2.6, 14.1.2.7, 14.1.2.8, 14.1.3, 14.1.3.1, 14.1.4, 14.1.4.1, 14.1.4.2, 14.1.4.3, 14.1.4.4, 14.1.4.5, 14.1.4.6, 14.1.5, 14.1.5.1, 14.1.5.2, 16.0.0, 16.0.0.1, 16.0.1, 16.0.1.1, 16.0.1.2

Opened: Dec 10, 2019
Severity: 4-Minor

Symptoms

A BIG-IP v11.2.1 guest is generating a TMM core on hypervisors that use MHDAG or DAGv2 hashes. This can be checked using the `tmctl -d blade tmm/daglib` command.

Impact

Traffic disrupted while tmm restarts.

Conditions

-- Guest version is 11.2.1 -- Hypervisors use MHDAG or DAGv2 hashes.

Workaround

Upgrade the guest software.

Fix Information

None

Behavior Change