[ubuntu-icehouse-mainline-2301] instance launch failure with domain type kvm

Instance launch is failing with below trace on mainline #2301. Can someone check below logs.

All logs/cores will be at /cs-shared/test_runs/nodeb9/2014_08_17_18_39_56 on nodeb10.englab.juniper.net

Logs:

2014-08-17 06:25:17.491 2307 INFO nova.virt.libvirt.driver [req-789eb6f4-9d4d-49c9-8cad-472e4c9f8349 2b7710368f564e1597dae5d874067448 aa71108b7fd2464fb7d067e38623d0a7] [instance:
 05992afe-acb0-424c-a201-12bb4a9da981] Creating image
2014-08-17 06:25:18.544 2307 ERROR nova.virt.libvirt.driver [req-789eb6f4-9d4d-49c9-8cad-472e4c9f8349 2b7710368f564e1597dae5d874067448 aa71108b7fd2464fb7d067e38623d0a7] An error
occurred while trying to define a domain with xml: <domain type="kvm">
  <uuid>05992afe-acb0-424c-a201-12bb4a9da981</uuid>
  <name>instance-00000005</name>
  <memory>1048576</memory>
  <vcpu>1</vcpu>
  <sysinfo type="smbios">
    <system>
      <entry name="manufacturer">OpenStack Foundation</entry>
      <entry name="product">OpenStack Nova</entry>
      <entry name="version">2014.1</entry>
      <entry name="serial">00000000-0000-0000-0000-00259093d252</entry>
      <entry name="uuid">05992afe-acb0-424c-a201-12bb4a9da981</entry>
    </system>
  </sysinfo>
  <os>
    <type>hvm</type>
    <boot dev="hd"/>
    <smbios mode="sysinfo"/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <clock offset="utc">
    <timer name="pit" tickpolicy="delay"/>
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="hpet" present="no"/>
  </clock>
  <devices>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2" cache="none"/>
      <source file="/var/lib/nova/instances/05992afe-acb0-424c-a201-12bb4a9da981/disk"/>
      <target bus="virtio" dev="vda"/>
    </disk>
2014-08-17 06:25:18.545 2307 ERROR nova.compute.manager [req-789eb6f4-9d4d-49c9-8cad-472e4c9f8349 2b7710368f564e1597dae5d874067448 aa71108b7fd2464fb7d067e38623d0a7] [instance: 05992afe-acb0-424c-a201-12bb4a9da981] Instance failed to spawn
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] Traceback (most recent call last):
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 1720, in _spawn
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] block_device_info)
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2253, in spawn
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] block_device_info)
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3644, in _create_domain_and_network
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] power_on=power_on)
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 3538, in _create_domain
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] raise e
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981] libvirtError: internal error: no supported architecture for os type 'hvm'
2014-08-17 06:25:18.545 2307 TRACE nova.compute.manager [instance: 05992afe-acb0-424c-a201-12bb4a9da981]
2014-08-17 06:25:18.659 2307 AUDIT nova.compute.manager [req-789eb6f4-9d4d-49c9-8cad-472e4c9f8349 2b7710368f564e1597dae5d874067448 aa71108b7fd2464fb7d067e38623d0a7] [instance: 05992afe-acb0-424c-a201-12bb4a9da981] Terminating instance