Bug ID 1928749: TMM cores in rare circumstances

Last Modified: Oct 15, 2025

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

Known Affected Versions:
17.1.0, 17.1.0.1, 17.1.0.2, 17.1.0.3, 17.1.1, 17.1.1.1, 17.1.1.2, 17.1.1.3, 17.1.1.4, 17.1.2, 17.1.2.1, 17.1.2.2, 17.5.0, 17.5.1

Fixed In:
17.5.1.2, 17.1.3

Opened: Apr 21, 2025

Severity: 3-Major

Symptoms

TMM cores in rare circumstances

Impact

Traffic disrupted while tmm restarts.

Conditions

Can occur after High Availability (HA) failover.

Workaround

None

Fix Information

TMM crash prevented.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips