Bug ID 1935833: Tmm cores with "ERR: Attempting to send MPI message to ourself"

Last Modified: Sep 03, 2025

Affected Product(s):
BIG-IP All(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

Opened: May 08, 2025

Severity: 3-Major

Symptoms

A TMM crash occurs, tmm_assert is triggered if an MPI message is sent to the same TMM (self).

Impact

Traffic disrupted while tmm restarts.

Conditions

New IPsec tunnel configured or deleted and High Availability config sync is started.

Workaround

None.

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips