in Icehouse on Debian, everything is working fine, then when i suspend a instance from ADMIN he seems suspended. But when i resume i got erros:

But when i try to root@compute1:~# nova resume teste

i got this error .... on logs

root@compute1:~# tail -f /var/log/nova/nova-compute.log

2015-02-17 05:06:57.871 3135 ERROR nova.virt.libvirt.driver [req-a576f0f1-1f6c-4fd9-a34a-d282ef5eeb19 0192593d6a134a8797f7c1ee1d7c645f a65a939c8d5d49d8bbaf643027d6938a] An error occurred while trying to launch a defined domain with xml: <domain type='kvm'>
  <name>instance-00000014</name>
  <uuid>de3b091d-ecbe-4bdd-b84c-1b70675d9259</uuid>
  <memory unit='KiB'>524288</memory>
  <currentMemory unit='KiB'>524288</currentMemory>
  <vcpu placement='static'>1</vcpu>
    <sysinfo type='smbios'>
      <system>
        <entry name='manufacturer'>OpenStack Foundation</entry>
        <entry name='product'>OpenStack Nova</entry>
        <entry name='version'>2014.1.2</entry>
        <entry name='serial'>523f479a-1742-11e1-98e3-5cf3fcb85330</entry>
        <entry name='uuid'>de3b091d-ecbe-4bdd-b84c-1b70675d9259</entry>
      </system>
    </sysinfo>
  <os>
    <type arch='x86_64' machine='pc-i440fx-1.7'>hvm</type>
    <boot dev='hd'/>
    <smbios mode='sysinfo'/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <cpu mode='host-passthrough'>
  </cpu>
  <clock offset='utc'>
    <timer name='pit' tickpolicy='delay'/>
    <timer name='rtc' tickpolicy='catchup'/>
  </clock>
  <on_poweroff>destroy</on_poweroff>
  <on_reboot>restart</on_reboot>
  <on_crash>destroy</on_crash>
  <devices>
    <emulator>/usr/bin/kvm</emulator>
    <disk type='file' device='disk'>
      <driver name='qemu' type='qcow2' cache='none'/>
      <source file='/var/lib/nova/instances/de3b091d-ecbe-4bdd-b84c-1b70675d9259/disk'/>
      <target dev='vda' bus='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>
    </disk>
    <controller type='usb' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x2'/>
    </controller>
    <controller type='pci' index='0' model='pci-root'/>
    <controller type='virtio-serial' index='0'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>
    </controller>
    <interface type='bridge'>
      <mac address='fa:16:3e:09:7a:75'/>
      <source bridge='qbrac8b0d81-1b'/>
      <target dev='tapac8b0d81-1b'/>
      <model type='virtio'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>
    </interface>
    <serial type='file'>
      <source path='/var/lib/nova/instances/de3b091d-ecbe-4bdd-b84c-1b70675d9259/console.log'/>
      <target port='0'/>
    </serial>
    <serial type='pty'>
      <target port='1'/>
    </serial>
    <console type='file'>
      <source path='/var/lib/nova/instances/de3b091d-ecbe-4bdd-b84c-1b70675d9259/console.log'/>
      <target type='serial' port='0'/>
    </console>
    <channel type='pty'>
      <target type='virtio' name='com.redhat.spice.0'/>
      <address type='virtio-serial' controller='0' bus='0' port='1'/>
    </channel>
    <input type='tablet' bus='usb'/>
    <input type='mouse' bus='ps2'/>
    <input type='keyboard' bus='ps2'/>
    <graphics type='vnc' port='-1' autoport='yes' listen='0.0.0.0' keymap='en-us'>
      <listen type='address' address='0.0.0.0'/>
    </graphics>
    <graphics type='spice' autoport='yes' listen='0.0.0.0' keymap='en-us'>
      <listen type='address' address='0.0.0.0'/>
    </graphics>
    <video>
      <model type='qxl' ram='65536' vram='65536' heads='1'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>
    </video>
    <memballoon model='virtio'>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>
    </memballoon>
  </devices>
</domain>

2015-02-17 05:06:58.141 3135 ERROR oslo.messaging.rpc.dispatcher [-] Exception during message handling: unsupported configuration: host doesn't support invariant TSC
2015-02-17 05:06:58.141 3135 TRACE oslo.messaging.rpc.dispatcher Traceback (most recent call last):
2015-02-17 05 ...