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[Bug 1504939] [NEW] Instance failed to spawn with qemu

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Mingyu Li <mingyu.li.cn@xxxxxxxxx>
Date: Sun, 11 Oct 2015 13:08:06 -0000
Reply-to: Bug 1504939 <1504939@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Public bug reported:

I installed Kilo following the instructions on http://docs.openstack.org/kilo/install-guide/install/apt/content/
It failed to spawn an instance with qemu.

The nova.conf on compute node was as following:

root@cmp1:~# cat /etc/nova/nova.conf 
[DEFAULT]
dhcpbridge_flagfile=/etc/nova/nova.conf
dhcpbridge=/usr/bin/nova-dhcpbridge
log_dir=/var/log/nova
state_path=/var/lib/nova
lock_path=/var/lock/nova
force_dhcp_release=True
libvirt_use_virtio_for_bridges=True
verbose=True
ec2_private_dns_show_ip=True
api_paste_config=/etc/nova/api-paste.ini
enabled_apis=ec2,osapi_compute,metadata

rpc_backend=rabbit

auth_strategy = keystone

my_ip = 192.168.201.102
vnc_enabled = True
vncserver_listen = 0.0.0.0
vncserver_proxyclient_address = 192.168.201.102
novncproxy_base_url = http://ctl:6080/vnc_auto.html

network_api_class = nova.network.neutronv2.api.API
security_group_api = neutron
linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
firewall_driver = nova.virt.firewall.NoopFirewallDriver

compute_driver = libvirt.LibvirtDriver

[glance]
host = ctl

[oslo_concurrency]
lock_path = /var/lib/nova/tmp

[keystone_authtoken]
auth_uri = http://ctl:5000
auth_url = http://ctl:35357
auth_plugin = password
project_domain_id = default
user_domain_id = default
project_name = service
username = nova
password = 1


[oslo_messaging_rabbit]
rabbit_host = ctl
rabbit_userid = openstack
rabbit_password = 1

[libvirt]
virt_type = qemu


[neutron]
url = http://ctl:9696
auth_strategy = keystone
admin_auth_url = http://ctl:35357/v2.0
admin_tenant_name = service
admin_username = neutron
admin_password = 1


The error logs were as following:

2015-10-11 20:58:13.239 31702 ERROR nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] Error defining a domain with XML: <domain type="kvm">
  <uuid>f530cc86-ee2e-4ef4-8655-83f60bfed7fa</uuid>
  <name>instance-00000006</name>
  <memory>65536</memory>
  <vcpu>1</vcpu>
  <metadata>
    <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0";>
      <nova:package version="2015.1.1"/>
      <nova:name>an-instance</nova:name>
      <nova:creationTime>2015-10-11 12:58:12</nova:creationTime>
      <nova:flavor name="m1.nano">
        <nova:memory>64</nova:memory>
        <nova:disk>0</nova:disk>
        <nova:swap>0</nova:swap>
        <nova:ephemeral>0</nova:ephemeral>
        <nova:vcpus>1</nova:vcpus>
      </nova:flavor>
      <nova:owner>
        <nova:user uuid="311571301159432787db5e3ed1078ee8">administrator</nova:user>
        <nova:project uuid="8fab0e9be9164f69a2d14ac383175cdc">training</nova:project>
      </nova:owner>
      <nova:root type="image" uuid="13fcaaf8-b92c-4c6b-b5f3-700e9a65347d"/>
    </nova:instance>
  </metadata>
  <sysinfo type="smbios">
    <system>
      <entry name="manufacturer">OpenStack Foundation</entry>
      <entry name="product">OpenStack Nova</entry>
      <entry name="version">2015.1.1</entry>
      <entry name="serial">564db6eb-b1e8-9c2d-85a4-f5fdc0775533</entry>
      <entry name="uuid">f530cc86-ee2e-4ef4-8655-83f60bfed7fa</entry>
    </system>
  </sysinfo>
  <os>
    <type>hvm</type>
    <boot dev="hd"/>
    <smbios mode="sysinfo"/>
  </os>
  <features>
    <acpi/>
    <apic/>
  </features>
  <cputune>
    <shares>1024</shares>
  </cputune>
  <clock offset="utc">
    <timer name="pit" tickpolicy="delay"/>
    <timer name="rtc" tickpolicy="catchup"/>
    <timer name="hpet" present="no"/>
  </clock>
  <cpu mode="host-model" match="exact">
    <topology sockets="1" cores="1" threads="1"/>
  </cpu>
  <devices>
    <disk type="file" device="disk">
      <driver name="qemu" type="qcow2" cache="none"/>
      <source file="/var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa/disk"/>
      <target bus="virtio" dev="vda"/>
    </disk>
    <interface type="bridge">
      <mac address="fa:16:3e:22:e7:7d"/>
      <model type="virtio"/>
      <source bridge="qbr993fb72d-7a"/>
      <target dev="tap993fb72d-7a"/>
    </interface>
    <serial type="file">
      <source path="/var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa/console.log"/>
    </serial>
    <serial type="pty"/>
    <input type="tablet" bus="usb"/>
    <graphics type="vnc" autoport="yes" keymap="en-us" listen="0.0.0.0"/>
    <video>
      <model type="cirrus"/>
    </video>
    <memballoon model="virtio">
      <stats period="10"/>
    </memballoon>
  </devices>
</domain>

2015-10-11 20:58:13.240 31702 ERROR nova.compute.manager [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Instance failed to spawn
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Traceback (most recent call last):
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2461, in _build_resources
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     yield resources
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2333, in _build_and_run_instance
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     block_device_info=block_device_info)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2385, in spawn
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     block_device_info=block_device_info)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4403, in _create_domain_and_network
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     power_on=power_on)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4334, in _create_domain
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     LOG.error(err)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 85, in __exit__
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     six.reraise(self.type_, self.value, self.tb)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4318, in _create_domain
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     domain = self._conn.defineXML(xml)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     result = proxy_call(self._autowrap, f, *args, **kwargs)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     rv = execute(f, *args, **kwargs)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     six.reraise(c, e, tb)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     rv = meth(*args, **kwargs)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3240, in defineXML
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] libvirtError: internal error: no supported architecture for os type 'hvm'
2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] 
2015-10-11 20:58:13.243 31702 INFO nova.compute.manager [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Terminating instance
2015-10-11 20:58:13.245 31702 INFO nova.virt.libvirt.driver [-] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] During wait destroy, instance disappeared.
2015-10-11 20:58:13.566 31702 INFO nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Deleting instance files /var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa_del
2015-10-11 20:58:13.567 31702 INFO nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Deletion of /var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa_del complete
2015-10-11 20:58:13.658 31702 INFO nova.scheduler.client.report [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] Compute_service record updated for ('cmp1', 'cmp1.ops')
2015-10-11 20:58:22.524 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Auditing locally available compute resources for node cmp1.ops
2015-10-11 20:58:22.637 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Total usable vcpus: 2, total allocated vcpus: 0
2015-10-11 20:58:22.637 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Final resource view: name=cmp1.ops phys_ram=987MB used_ram=576MB phys_disk=18GB used_disk=0GB total_vcpus=2 used_vcpus=0 pci_stats=<nova.pci.stats.PciDeviceStats object at 0x7f4e73a95910>
2015-10-11 20:58:22.653 31702 INFO nova.scheduler.client.report [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Compute_service record updated for ('cmp1', 'cmp1.ops')
2015-10-11 20:58:22.654 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Compute_service record updated for cmp1:cmp1.ops

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1504939

Title:
  Instance failed to spawn with qemu

Status in OpenStack Compute (nova):
  New

Bug description:
  I installed Kilo following the instructions on http://docs.openstack.org/kilo/install-guide/install/apt/content/
  It failed to spawn an instance with qemu.

  The nova.conf on compute node was as following:

  root@cmp1:~# cat /etc/nova/nova.conf 
  [DEFAULT]
  dhcpbridge_flagfile=/etc/nova/nova.conf
  dhcpbridge=/usr/bin/nova-dhcpbridge
  log_dir=/var/log/nova
  state_path=/var/lib/nova
  lock_path=/var/lock/nova
  force_dhcp_release=True
  libvirt_use_virtio_for_bridges=True
  verbose=True
  ec2_private_dns_show_ip=True
  api_paste_config=/etc/nova/api-paste.ini
  enabled_apis=ec2,osapi_compute,metadata

  rpc_backend=rabbit

  auth_strategy = keystone

  my_ip = 192.168.201.102
  vnc_enabled = True
  vncserver_listen = 0.0.0.0
  vncserver_proxyclient_address = 192.168.201.102
  novncproxy_base_url = http://ctl:6080/vnc_auto.html

  network_api_class = nova.network.neutronv2.api.API
  security_group_api = neutron
  linuxnet_interface_driver = nova.network.linux_net.LinuxOVSInterfaceDriver
  firewall_driver = nova.virt.firewall.NoopFirewallDriver

  compute_driver = libvirt.LibvirtDriver

  [glance]
  host = ctl

  [oslo_concurrency]
  lock_path = /var/lib/nova/tmp

  [keystone_authtoken]
  auth_uri = http://ctl:5000
  auth_url = http://ctl:35357
  auth_plugin = password
  project_domain_id = default
  user_domain_id = default
  project_name = service
  username = nova
  password = 1

  
  [oslo_messaging_rabbit]
  rabbit_host = ctl
  rabbit_userid = openstack
  rabbit_password = 1

  [libvirt]
  virt_type = qemu

  
  [neutron]
  url = http://ctl:9696
  auth_strategy = keystone
  admin_auth_url = http://ctl:35357/v2.0
  admin_tenant_name = service
  admin_username = neutron
  admin_password = 1


  The error logs were as following:

  2015-10-11 20:58:13.239 31702 ERROR nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] Error defining a domain with XML: <domain type="kvm">
    <uuid>f530cc86-ee2e-4ef4-8655-83f60bfed7fa</uuid>
    <name>instance-00000006</name>
    <memory>65536</memory>
    <vcpu>1</vcpu>
    <metadata>
      <nova:instance xmlns:nova="http://openstack.org/xmlns/libvirt/nova/1.0";>
        <nova:package version="2015.1.1"/>
        <nova:name>an-instance</nova:name>
        <nova:creationTime>2015-10-11 12:58:12</nova:creationTime>
        <nova:flavor name="m1.nano">
          <nova:memory>64</nova:memory>
          <nova:disk>0</nova:disk>
          <nova:swap>0</nova:swap>
          <nova:ephemeral>0</nova:ephemeral>
          <nova:vcpus>1</nova:vcpus>
        </nova:flavor>
        <nova:owner>
          <nova:user uuid="311571301159432787db5e3ed1078ee8">administrator</nova:user>
          <nova:project uuid="8fab0e9be9164f69a2d14ac383175cdc">training</nova:project>
        </nova:owner>
        <nova:root type="image" uuid="13fcaaf8-b92c-4c6b-b5f3-700e9a65347d"/>
      </nova:instance>
    </metadata>
    <sysinfo type="smbios">
      <system>
        <entry name="manufacturer">OpenStack Foundation</entry>
        <entry name="product">OpenStack Nova</entry>
        <entry name="version">2015.1.1</entry>
        <entry name="serial">564db6eb-b1e8-9c2d-85a4-f5fdc0775533</entry>
        <entry name="uuid">f530cc86-ee2e-4ef4-8655-83f60bfed7fa</entry>
      </system>
    </sysinfo>
    <os>
      <type>hvm</type>
      <boot dev="hd"/>
      <smbios mode="sysinfo"/>
    </os>
    <features>
      <acpi/>
      <apic/>
    </features>
    <cputune>
      <shares>1024</shares>
    </cputune>
    <clock offset="utc">
      <timer name="pit" tickpolicy="delay"/>
      <timer name="rtc" tickpolicy="catchup"/>
      <timer name="hpet" present="no"/>
    </clock>
    <cpu mode="host-model" match="exact">
      <topology sockets="1" cores="1" threads="1"/>
    </cpu>
    <devices>
      <disk type="file" device="disk">
        <driver name="qemu" type="qcow2" cache="none"/>
        <source file="/var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa/disk"/>
        <target bus="virtio" dev="vda"/>
      </disk>
      <interface type="bridge">
        <mac address="fa:16:3e:22:e7:7d"/>
        <model type="virtio"/>
        <source bridge="qbr993fb72d-7a"/>
        <target dev="tap993fb72d-7a"/>
      </interface>
      <serial type="file">
        <source path="/var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa/console.log"/>
      </serial>
      <serial type="pty"/>
      <input type="tablet" bus="usb"/>
      <graphics type="vnc" autoport="yes" keymap="en-us" listen="0.0.0.0"/>
      <video>
        <model type="cirrus"/>
      </video>
      <memballoon model="virtio">
        <stats period="10"/>
      </memballoon>
    </devices>
  </domain>

  2015-10-11 20:58:13.240 31702 ERROR nova.compute.manager [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Instance failed to spawn
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Traceback (most recent call last):
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2461, in _build_resources
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     yield resources
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/compute/manager.py", line 2333, in _build_and_run_instance
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     block_device_info=block_device_info)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2385, in spawn
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     block_device_info=block_device_info)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4403, in _create_domain_and_network
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     power_on=power_on)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4334, in _create_domain
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     LOG.error(err)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/oslo_utils/excutils.py", line 85, in __exit__
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     six.reraise(self.type_, self.value, self.tb)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 4318, in _create_domain
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     domain = self._conn.defineXML(xml)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 183, in doit
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     result = proxy_call(self._autowrap, f, *args, **kwargs)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 141, in proxy_call
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     rv = execute(f, *args, **kwargs)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 122, in execute
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     six.reraise(c, e, tb)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/eventlet/tpool.py", line 80, in tworker
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     rv = meth(*args, **kwargs)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]   File "/usr/lib/python2.7/dist-packages/libvirt.py", line 3240, in defineXML
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa]     if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] libvirtError: internal error: no supported architecture for os type 'hvm'
  2015-10-11 20:58:13.240 31702 TRACE nova.compute.manager [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] 
  2015-10-11 20:58:13.243 31702 INFO nova.compute.manager [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Terminating instance
  2015-10-11 20:58:13.245 31702 INFO nova.virt.libvirt.driver [-] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] During wait destroy, instance disappeared.
  2015-10-11 20:58:13.566 31702 INFO nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Deleting instance files /var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa_del
  2015-10-11 20:58:13.567 31702 INFO nova.virt.libvirt.driver [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] [instance: f530cc86-ee2e-4ef4-8655-83f60bfed7fa] Deletion of /var/lib/nova/instances/f530cc86-ee2e-4ef4-8655-83f60bfed7fa_del complete
  2015-10-11 20:58:13.658 31702 INFO nova.scheduler.client.report [req-5e9ccf17-f58a-4d4b-82ba-e028da6daff2 311571301159432787db5e3ed1078ee8 8fab0e9be9164f69a2d14ac383175cdc - - -] Compute_service record updated for ('cmp1', 'cmp1.ops')
  2015-10-11 20:58:22.524 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Auditing locally available compute resources for node cmp1.ops
  2015-10-11 20:58:22.637 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Total usable vcpus: 2, total allocated vcpus: 0
  2015-10-11 20:58:22.637 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Final resource view: name=cmp1.ops phys_ram=987MB used_ram=576MB phys_disk=18GB used_disk=0GB total_vcpus=2 used_vcpus=0 pci_stats=<nova.pci.stats.PciDeviceStats object at 0x7f4e73a95910>
  2015-10-11 20:58:22.653 31702 INFO nova.scheduler.client.report [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Compute_service record updated for ('cmp1', 'cmp1.ops')
  2015-10-11 20:58:22.654 31702 INFO nova.compute.resource_tracker [req-0af18523-5394-4de5-a759-7d7c9d60928f - - - - -] Compute_service record updated for cmp1:cmp1.ops

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Follow ups

[Bug 1504939] Re: Instance failed to spawn with qemu
From: Launchpad Bug Tracker, 2015-12-12