kvm 经常问题

<domain type='kvm'>??? <name>yyu</name>??? <memory>524288</memory>??? <vcpu>1</vcpu>??? <os>??????? <type>hvm</type>??????? <loader>/usr/lib/xen/boot/hvmloader</loader>??????? <boot dev='cdrom'/>??????? <boot dev='hd'/>??? </os>??? <features>??? ??? <acpi/>??? ??? <apic/>??? ??? <pae/>??? </features>??? <clock offset='utc'/>??? <on_poweroff>destroy</on_poweroff>??? <on_reboot>restart</on_reboot>??? <on_crash>destroy</on_crash>??? <devices>??? <emulator>/usr/libexec/qemu-kvm</emulator>???? <disk type='file' device='disk'>??????????? <driver name='qemu' type='qcow2'/>??????????? <source file='/home/yu/image/yy001.img'/>??????????? <target dev='hda' bus='ide'/>??? </disk>??????? <interface type='bridge'>??????????? <source bridge='br0'/>??????????? <mac address='00:16:3e:5d:c4:21'/>??????????? <target dev='5dc421'/>??????????? <model type='netfront'/>??????? </interface>??? <input type='tablet' bus='usb'/>??????? <graphics type='vnc' port='-1' autoport='yes' passwd='netbank' listen='0.0.0.0'/>??? </devices></domain>

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1.
libvir: QEMU error : internal error process exited while connecting to monitor: qemu-kvm: -device netfront,netdev=hostnet0,id=net0,mac=00:16:3e:5d:c4:21,bus=pci.0,addr=0x3: Parameter 'driver' expects a driver name
Try with argument '?' for a list.

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2.

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KVM Unable to read from monitor:Connection reset by peer

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