Symptoms

You notice unusually high CPU utilization on Virtual Edition after upgrading to 12.1.0 when compared to a previous release (such as version 11.6.1).

Impact

Since CPU0 is unusually high compared to previous releases, upgrading could put Virtual Edition into an overloaded state.

Conditions

This occurs after upgrading to 12.1.0. In Virtual Edition version 12.1.0, there is an issue where network interface IRQs don't get pinned correctly at startup.

Workaround

bigstart restart tmm will start the network interfaces and pin them to the right IRQ.

Fix Information

Fixed an issue where interfaces and their IRQs were not configured correctly during system boot.

Guides & references

K10134038: F5 Bug Tracker Filter Names and Tips