安装的是ocata版，完全按照官网教程安装，能成功创建实例，但是实例启动一直卡在首屏。使用的是cirros镜像，使用其他镜像也是这个样子。新手一枚，求大神指点。
实例配置
<domain type='kvm' id='3'>
<name>instance-00000006</name>
<uuid>ae16fac3-d418-497a-9959-4f2de116ad87</uuid>
<metadata>
<nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0">
<nova:package version="15.0.0-1.el7"/>
<nova:name>test</nova:name>
<nova:creationTime>2017-04-04 17:53:38</nova:creationTime>
<nova:flavor name="m1.nano">
<nova:memory>64</nova:memory>
<nova:disk>1</nova:disk>
<nova:swap>0</nova:swap>
<nova:ephemeral>0</nova:ephemeral>
<nova:vcpus>1</nova:vcpus>
</nova:flavor>
<nova:owner>
<nova:user uuid="c4eadda47b5e41e9940dd418962b0ab8">admin</nova:user>
<nova:project uuid="ac2906f775a24cb48b1040c22f7d07ec">admin</nova:project>
</nova:owner>
<nova:root type="image" uuid="c92a6bae-b1a0-4296-af5c-a6b34189c0eb"/>
</nova:instance>
</metadata>
<memory unit='KiB'>65536</memory>
<currentMemory unit='KiB'>65536</currentMemory>
<vcpu placement='static'>1</vcpu>
<cputune>
<shares>1024</shares>
</cputune>
<resource>
<partition>/machine</partition>
</resource>
<sysinfo type='smbios'>
<system>
<entry name='manufacturer'>RDO</entry>
<entry name='product'>OpenStack Compute</entry>
<entry name='version'>15.0.0-1.el7</entry>
<entry name='serial'>4dd6358f-1ebd-4634-9f0f-0d26d3dd4993</entry>
<entry name='uuid'>ae16fac3-d418-497a-9959-4f2de116ad87</entry>
<entry name='family'>Virtual Machine</entry>
</system>
</sysinfo>
<os>
<type arch='x86_64' machine='pc-i440fx-rhel7.3.0'>hvm</type>
<boot dev='hd'/>
<smbios mode='sysinfo'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='host-model'>
<model fallback='allow'/>
<topology sockets='1' cores='1' threads='1'/>
</cpu>
<clock offset='utc'>
<timer name='pit' tickpolicy='delay'/>
<timer name='rtc' tickpolicy='catchup'/>
<timer name='hpet' present='no'/>
</clock>
<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' cache='none'/>
<source file='/var/lib/nova/instances/ae16fac3-d418-497a-9959-4f2de116ad87/disk'/>
<backingStore type='file' index='1'>
<format type='raw'/>
<source file='/var/lib/nova/instances/_base/3e67c6c692a9b432d2f74fc5bc7c22e35b7e1cfc'/>
<backingStore/>
</backingStore>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
</disk>
<controller type='usb' index='0'>
<alias name='usb'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
</controller>
<controller type='pci' index='0' model='pci-root'>
<alias name='pci.0'/>
</controller>
<interface type='bridge'>
<mac address='fa:16:3e:9a:3e:07'/>
<source bridge='brqf28be70d-9a'/>
<target dev='tap3a7df40b-a1'/>
<model type='virtio'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
</interface>
<serial type='file'>
<source path='/var/lib/nova/instances/ae16fac3-d418-497a-9959-4f2de116ad87/console.log'/>
<target port='0'/>
<alias name='serial0'/>
</serial>
<serial type='pty'>
<source path='/dev/pts/1'/>
<target port='1'/>
<alias name='serial1'/>
</serial>
<console type='file'>
<source path='/var/lib/nova/instances/ae16fac3-d418-497a-9959-4f2de116ad87/console.log'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
</console>
<input type='tablet' bus='usb'>
<alias name='input0'/>
<address type='usb' bus='0' port='1'/>
</input>
<input type='mouse' bus='ps2'>
<alias name='input1'/>
</input>
<input type='keyboard' bus='ps2'>
<alias name='input2'/>
</input>
<graphics type='vnc' port='5900' autoport='yes' listen='0.0.0.0' keymap='en-us'>
<listen type='address' address='0.0.0.0'/>
</graphics>
<video>
<model type='cirrus' vram='16384' heads='1' primary='yes'/>
<alias name='video0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
</video>
<memballoon model='virtio'>
<stats period='10'/>
<alias name='balloon0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
</memballoon>
</devices>
<seclabel type='none' model='none'/>
<seclabel type='dynamic' model='dac' relabel='yes'>
<label>+107:+107</label>
<imagelabel>+107:+107</imagelabel>
</seclabel>
</domain>
实例运行日志
2017-04-04 17:53:38.328+0000: starting up libvirt version: 2.0.0, package: 10.el7_3.5 (CentOS BuildSystem <http://bugs.centos.org>, 2017-03-03-02:09:45, c1bm.rdu2.centos.org), qemu version: 2.6.0 (qemu-kvm-ev-2.6.0-28.el7_3.6.1), hostname: openstack2
LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin QEMU_AUDIO_DRV=none /usr/libexec/qemu-kvm -name guest=instance-00000006,debug-threads=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-3-instance-00000006/master-key.aes -machine pc-i440fx-rhel7.3.0,accel=kvm,usb=off -cpu Haswell-noTSX,+vme,+ds,+ss,+ht,+vmx,+osxsave,+f16c,+rdrand,+hypervisor,+arat,+tsc_adjust,+xsaveopt,+pdpe1gb,+abm -m 64 -realtime mlock=off -smp 1,sockets=1,cores=1,threads=1 -uuid ae16fac3-d418-497a-9959-4f2de116ad87 -smbios 'type=1,manufacturer=RDO,product=OpenStack Compute,version=15.0.0-1.el7,serial=4dd6358f-1ebd-4634-9f0f-0d26d3dd4993,uuid=ae16fac3-d418-497a-9959-4f2de116ad87,family=Virtual Machine' -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-3-instance-00000006/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=utc,driftfix=slew -global kvm-pit.lost_tick_policy=discard -no-hpet -no-shutdown -boot strict=on -device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 -drive file=/var/lib/nova/instances/ae16fac3-d418-497a-9959-4f2de116ad87/disk,format=qcow2,if=none,id=drive-virtio-disk0,cache=none -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1 -netdev tap,fd=26,id=hostnet0,vhost=on,vhostfd=28 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:9a:3e:07,bus=pci.0,addr=0x3 -add-fd set=2,fd=30 -chardev file,id=charserial0,path=/dev/fdset/2,append=on -device isa-serial,chardev=charserial0,id=serial0 -chardev pty,id=charserial1 -device isa-serial,chardev=charserial1,id=serial1 -device usb-tablet,id=input0,bus=usb.0,port=1 -vnc 0.0.0.0:0 -k en-us -device cirrus-vga,id=video0,bus=pci.0,addr=0x2 -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x5 -msg timestamp=on
char device redirected to /dev/pts/1 (label charserial1)
warning: host doesn't support requested feature: CPUID.01H:EDX.ds [bit 21]
warning: host doesn't support requested feature: CPUID.01H:EDX.ht [bit 28]
warning: host doesn't support requested feature: CPUID.01H:ECX.vmx [bit 5]
warning: host doesn't support requested feature: CPUID.01H:ECX.osxsave [bit 27]
warning: host doesn't support requested feature: CPUID.07H:EBX.erms [bit 9]
warning: host doesn't support requested feature: CPUID.80000001H:EDX.pdpe1gb [bit 26]
