After performing a live migration of PVHVM guest virtual machines from Oracle VM Server Release 3.3.1 to Oracle VM Server Release 3.3.3, the virtual machines become unresponsive.
Workaround: Do not live migrate PVHVM guest virtual machines. Alternatively, power off the guest virtual machines during a maintenance window and upgrade Oracle VM Server from Release 3.3.1 to Release 3.3.3. When the upgrade process is complete, start the guest virtual machines.
Bug 21184183, 20826023