Bug ID 456064: Loading default stream profiles that have child profiles can cause MCP to lock up

Last Modified: Sep 13, 2023

Affected Product(s):
BIG-IP Install/Upgrade, LTM(all modules)

Known Affected Versions:
11.6.2 HF1

Fixed In:
11.6.0, 11.5.1 HF5

Opened: Apr 07, 2014

Severity: 3-Major

Related Article: K15526

Symptoms

mcpd becomes unresponsive after an upgrade or after loading the configuration. High mcpd CPU utilization. MCP processes the same profile over and over and does not move on.

Impact

- mcpd loops until killed when attempting to load config. - Will cause upgrades to fail.

Conditions

A default stream profile "stream" is in the bigip.conf file and another stream profile defaults from it.

Workaround

1- Backup configuration 2- Delete the default "stream" profile from bigip.conf (or comment it out).

Fix Information

Added code to allow MCP to continue processing profiles when it encounters this configuration.

Behavior Change

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips