Bug ID 442876: LTM virtual server using depends_on causes mcpd to consume all CPU if qkview is run.

Last Modified: Apr 10, 2019

Bug Tracker

Affected Product:  See more info
BIG-IP GTM(all modules)

Known Affected Versions:
10.2.1, 10.2.2, 10.2.3, 10.2.4

Opened: Jan 14, 2014
Severity: 3-Major
Related AskF5 Article:
K16532

Symptoms

Running qkview or the command 'tmsh -q show gtm datacenter detail' does not work correctly for configuration in which an LTM server objects contains virtual servers with dependencies.

Impact

The mcpd process consumes all CPU and causes overdog to failover the GTM system.

Conditions

This occurs as a result of LTM server objects hosting virtual servers configured with a dependency list. For example, having every virtual server dependent on every other virtual server for the virtual server to be up and green (in other words, for VS1 to be up VS2 must be up, and for VS2 to be up VS3 must be up, and so on.

Workaround

None

Fix Information

None

Behavior Change

show gtm * detail now works for complicated configurations such as situations with GTM server object that contains virtual servers with dependencies