* Stefan Priebe - Profihost AG ([email protected]) wrote: > Hello, > > today i did a first live migration from Qemu 2.6.2 to Qemu 2.7.0. The VM > is running windows and virtio-balloon and with machine type pc-i440fx-2.5. > > The output of the target qemu process was: > kvm_apic_post_load: Yeh > kvm_apic_post_load: Yeh > kvm_apic_post_load: Yeh > kvm_apic_post_load: Yeh > kvm: VQ 2 size 0x80 < last_avail_idx 0x1 - used_idx 0x4 > kvm: error while loading state for instance 0x0 of device > '0000:00:03.0/virtio-balloon' > kvm: load of migration failed: Operation not permitted
Yes that's a known bug; only seems to affect windows guests, and I believe doesn't even need to cross versions. There's a bunch of fixes that Stefan applied to virtio code that I think fix this; I see that he cc'd qemu-stable. I think it's 4b7f91ed, but I'm not sure if there are others needed. Dave > > Greets, > Stefan > -- Dr. David Alan Gilbert / [email protected] / Manchester, UK
