Last Modified: Sep 13, 2023
Affected Product(s):
BIG-IP LTM
Known Affected Versions:
11.5.1 HF2, 11.5.1 HF3, 11.5.1 HF4, 11.5.1 HF5, 11.5.1 HF6, 11.5.1 HF7, 11.5.1 HF8, 11.5.1 HF9, 11.5.1 HF10, 11.5.1 HF11, 11.5.2 HF1, 11.5.3 HF1, 11.5.3 HF2, 11.5.4 HF1, 11.5.4 HF2, 11.5.4 HF3, 11.5.4 HF4
Fixed In:
12.1.0, 11.6.1 HF2
Opened: Jan 28, 2016 Severity: 2-Critical Related Article:
K10037634
On selected devices and blades, tmm runs multiple processes. When running multiple processes, the session DB may occasionally attempt an operation that will cause a tmm segfault.
Outage and restart of tmm. This applies when bringing up blades as well as bringing peers online.
In order to experience this failure, tmm must be running in multiple processes on the appliance or on the blade, and session DB usage is required with mirroring.
None.
Use of session DB on multi-process appliances and blades no longer cores when bringing up blades as well as bringing peers online.