Bug ID 888885: BIG-IP Virtual Edition TMM restarts frequently without core

Last Modified: Apr 17, 2024

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

Known Affected Versions:,,,,, 15.1.1, 15.1.2,, 15.1.3,, 15.1.4,, 15.1.5,, 15.1.6,, 15.1.7, 15.1.8,,, 15.1.9,, 15.1.10,,,

Opened: Mar 10, 2020

Severity: 3-Major


The following messages are found in the QKViews: "bigipA notice MCP bulk connection aborted, retrying" "bigipA notice Initiating TMM shutdown" Prior to this, the TMM process logs that it is waiting for its instances to reach different states. For example, "localhost notice ixlv(1.3)[0:7.0]: Waiting for tmm1 to reach state 1..." In the /var/log/ltm file, the following message are found sometimes. "bigip1 crit tmm9[19358]: 01230017:2: Unable to attach to PCI device 00:09.00 for Interface 1.5"


The TMM process restarts without a core file repeatedly. Traffic disrupted while tmm restarts.


BIG-IP VE with SR-IOV enabled on a Red Hat Enterprise Linux 7.7 which is a part of Red Hat OpenStack Platform 13



Fix Information


Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips