Unable to live-migrate a Windows guest from a RHEL6 host to a RHEL7 host
Issue
When the customer tries to live-migrate a Windows Server 2012 R2 guest from RHEL6.7 host to RHEL7.2 host, the following error occurs and the live migration always fails:
<timestamp> qemu-kvm: Features 0x301f99a7 unsupported. Allowed features: 0x719fffe3
qemu: warning: error while loading state for instance 0x0 of device '0000:00:03.0/virtio-net'
load of migration failed
KVM: injection failed, MSI lost (Operation not permitted)
Environment
- Red Hat Enterprise Linux 6 as source of live-migration
- Red Hat Enterprise Linux 7 as destination of live-migration, minor releases <7.5
- KVM live-migration
- virtio-win-1.8.0-1.el6 (RHEL 6) and newer installed in the RHEL6 windows guest
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