Bug ID 648317: Upgrade to 13.0.0 on B2100/B2150 with IOMMU enabled prevents vCMP guests from starting

Last Modified: Nov 07, 2022

Bug Tracker

Affected Product:  See more info
BIG-IP Install/Upgrade(all modules)

Known Affected Versions:
13.0.0, 13.0.0 HF1, 13.0.0 HF2, 13.0.0 HF3

Fixed In:
13.1.0, 13.0.1

Opened: Mar 01, 2017
Severity: 3-Major


vCMP guests will fail to start on B2100 and B2150 when the user had enabled the input/ output memory management unit (IOMMU) before upgrading.


Cannot deploy vCMP guests.


* Run a pre-13.0.0 version of the software. * Run on a VIPRION B2100/B2150 blade. * Enable IOMMU before upgrading, using the following command: sys db kernel.iommu. * Upgrade to 13.0.0. * vCMP is provisioned.


Use the grub_open and grub_close commands to manually add "intel_iommu=on" to their kernel command line, as follows: ~$ grub_open /var/run/grub.conf.mdfy.24145 ~$ <edit the file above> ~$ grub_close

Fix Information

Upgrade on VIPRION B2100/B2150 blades with IOMMU enabled no longer prevents vCMP guests from starting.

Behavior Change