Bug ID 424850: AVR - TMM/AVRD crash on system with high volume of traffic

Last Modified: Oct 06, 2020

Bug Tracker

Affected Product:  See more info
BIG-IP AFM, ASM, AVR(all modules)

Known Affected Versions:
11.2.1, 11.3.0, 11.4.0

Fixed In:
11.5.0, 11.4.0 HF3, 11.3.0 HF8

Opened: Jul 09, 2013
Severity: 2-Critical
Related AskF5 Article:


TMM or AVRD crashed from time to time, especially on system with high volume of traffic


Traffic disrupted while tmm restarts.


AVR is in use. This issue usually occurs during stress traffic.


This issue has no workaround at this time.

Fix Information

A multithreading synchronization issue was fixed. As a result, memory corruption that took place in previous versions no longer occurs.

Behavior Change