compile qemu use with KVM machine not supported

I have to compile qemu 2.3.0 and 2.2.0. and install follow this.
     ./configure --enable-kvm --target-list=x86_64-softmmu
     make
     make install
It's located in /usr/local/bin
I want to use qemu with KVM so I copy /usr/local/bin/qemu-system-x86_64 to /usr/bin

and I run VMM for start my VM.



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Error starting domain: internal error: process exited while connecting to monitor: qemu-system-x86_64: -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6: Unsupported machine type
Use -machine help to list supported machines!


Traceback (most recent call last):
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 96, in cb_wrapper
    callback(asyncjob, *args, **kwargs)
  File "/usr/share/virt-manager/virtManager/asyncjob.py", line 117, in tmpcb
    callback(*args, **kwargs)
  File "/usr/share/virt-manager/virtManager/domain.py", line 1162, in startup
    self._backend.create()
  File "/usr/lib/python2.7/dist-packages/libvirt.py", line 866, in create
    if ret == -1: raise libvirtError ('virDomainCreate() failed', dom=self)
libvirtError: internal error: process exited while connecting to monitor: qemu-system-x86_64: -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x6: Unsupported machine type
Use -machine help to list supported machines!

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I can't use my VM except reinstall kvm, qemu-kvm.