Bug ID 554928: tmm eventually crashes when Classification profile is configured on the virtual server

Last Modified: Aug 19, 2026

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

Known Affected Versions:
11.6.0, 11.6.0 hf1, 11.6.0 hf2, 11.6.0 hf3, 11.6.0 hf4, 11.6.0 hf5, 11.6.0 hf6, 11.6.0 hf7, 11.6.0 hf8, 11.6.1, 11.6.1 hf1, 11.6.1 hf2, 11.6.2, 11.6.2 hf1, 11.6.3, 11.6.3.1, 11.6.3.2, 11.6.3.3, 11.6.3.4, 11.6.4, 11.6.5, 11.6.5.1, 11.6.5.2, 11.6.5.3

Opened: Oct 28, 2015

Severity: 2-Critical

Related Article: K03353647

Symptoms

tmm eventually crashes when Classification profile is configured on the virtual server

Impact

Traffic disrupted while tmm restarts.

Conditions

-- Classification profile configured on the virtual server. -- Many ssl/ftp/rtp/sip flows processed by the BIG-IP system.

Workaround

remove Classification profile from the virtual

Fix Information

None

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips