Description of problem:

Test migration with -M pc-q35-rhel7.0.0. It could not work.
The error returned.
{"id": "0WuCCrQp", "error": {"class": "GenericError", "desc": "State blocked by non-migratable device '0000:00:1f.2/ich9_ahci'"}}

Version-Release number of selected component (if applicable):
qemu-kvm-rhev-1.5.3-30.el7.x86_64
kernel-3.10.0-64.el7.x86_64


How reproducible:
100%

Steps to Reproduce:
1. start source guest  with -M pc-q35-rhel7.0.0
qemu-kvm \
    -name 'virt-tests-vm1'  \
    -sandbox off  \
    -M pc-q35-rhel7.0.0  \
    -nodefaults  \
    -vga qxl  \
    -global qxl-vga.vram_size=33554432 \
    -device intel-hda,bus=pcie.0,addr=02 \
    -device hda-duplex  \
    -monitor stdio \
    -qmp tcp:0:1234,server,nowait \
    -chardev socket,id=serial_id_serial0,path=/tmp/serial-serial0-20131227-193417-Utz1rgIo,server,nowait \
    -device isa-serial,chardev=serial_id_serial0 \
    -device virtio-serial-pci,id=virtio_serial_pci0,bus=pcie.0,addr=03  \
    -chardev socket,id=devvs,path=/tmp/virtio_port-vs-20131227-193417-Utz1rgIo,server,nowait \
    -device virtserialport,chardev=devvs,name=vs,id=vs,bus=virtio_serial_pci0.0  \
    -chardev socket,id=seabioslog_id_20131227-193417-Utz1rgIo,path=/tmp/seabios-20131227-193417-Utz1rgIo,server,nowait \
    -device isa-debugcon,chardev=seabioslog_id_20131227-193417-Utz1rgIo,iobase=0x402 \
    -device nec-usb-xhci,id=usb1,bus=pcie.0,addr=04 \
    -drive id=drive_image1,if=none,cache=unsafe,snapshot=off,aio=native,file=win2012r2-64-virtio.qcow2 \
    -device virtio-blk-pci,id=image1,drive=drive_image1,bootindex=0,bus=pcie.0,addr=05 \
    -device virtio-net-pci,mac=9a:83:84:85:86:87,id=idQ7Lzdx,netdev=idclbKA4,bus=pcie.0,addr=06  \
    -netdev tap,id=idclbKA4,vhost=on,script=qemu-ifup-switch  \
    -m 4096  \
    -smp 4,maxcpus=4,cores=2,threads=1,sockets=2  \
    -cpu 'SandyBridge' \
    -drive id=drive_cd1,if=none,snapshot=off,aio=native,media=cdrom,file=winutils.iso \
    -device ide-cd,id=cd1,drive=drive_cd1,bootindex=1,bus=ide.0,unit=0 \
    -device usb-tablet,id=usb-tablet1,bus=usb1.0,port=1  \
    -spice port=3000,password=123456,addr=0,tls-port=3200,x509-dir=/tmp/spice_x509d,tls-channel=main,tls-channel=inputs,image-compression=auto_glz,zlib-glz-wan-compression=auto,streaming-video=all,agent-mouse=on,playback-compression=on,ipv4  \
    -rtc base=localtime,clock=host,driftfix=slew  \
    -boot order=cdn,once=c,menu=off \
    -enable-kvm

2. start destination guest with "-incoming tcp:0:5200 "

3. in source guest qmp session, launch migration
   {"execute": "client_migrate_info", "arguments": {"cert-subject": "\"C=CZ,L=BRNO,O=SPICE,CN=my Server10.66.11.230\"", "hostname": "10.66.11.230", "protocol": "spice", "port": 3001, "tls-port": 3201}, "id": "2pdjXX2d"}
  
{"execute": "migrate", "arguments": {"uri": "tcp:localhost:5200", "blk": false, "inc": false}, "id": "0WuCCrQp"}

Actual results:
The following error returns.
{"id": "0WuCCrQp", "error": {"class": "GenericError", "desc": "State blocked by non-migratable device '0000:00:1f.2/ich9_ahci'"}}

Expected results:
migration should work with q35 guests.


Additional info: