Bug ID 841649: Hardware accelerated connection mismatch resulting in tmm core

Last Modified: Jun 18, 2024

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

Known Affected Versions:
13.1.1,,,,, 13.1.3,,,,,,, 13.1.4,, 13.1.5,, 14.0.0,,,,,, 14.0.1,, 14.1.0,,,,,, 14.1.2,,,,,,,,, 14.1.3,, 14.1.4, 15.0.0, 15.0.1,,,,, 15.1.0,,,,,, 15.1.1

Fixed In:
16.0.0, 15.1.2,

Opened: Oct 21, 2019

Severity: 3-Major


Tmm receives an update from the ePVA for a hardware accelerated connection that is matched to the wrong correction. This can result in a tmm core, which is reported as a segment fault in the tmm log files.


Traffic disrupted while tmm restarts.


One or more of the following: -- A FastL4 virtual server that has hardware acceleration enabled. -- A NAT or SNAT object without a virtual server.


Disable hardware acceleration.

Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips