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[Launchpad Bug Tracker <1304107@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package qemu - 2.0.0~rc1+dfsg-0ubuntu2

---------------
qemu (2.0.0~rc1+dfsg-0ubuntu2) trusty; urgency=medium

  * define-trusty-machine-type.patch: update the trusty machine type name to
    pc-i440fx-trusty (LP: #1304107)
 -- Serge Hallyn <serge.hallyn@xxxxxxxxxx>   Tue, 08 Apr 2014 11:49:04 -0500

** Changed in: qemu (Ubuntu)
       Status: Triaged => Fix Released

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https://bugs.launchpad.net/bugs/1304107

Title:
  Libvirt error launching instance - Device 'virtio-net-pci' could not
  be initialized

Status in Ubuntu Cloud Archive:
  New
Status in OpenStack Compute (Nova):
  Invalid
Status in “libvirt” package in Ubuntu:
  Fix Released
Status in “qemu” package in Ubuntu:
  Fix Released

Bug description:
  I'm developing the installation guide for Icehouse. In this particular
  case, I'm installing and testing RC1 on Ubuntu 12.04 with nova
  networking. All nodes in this environment run as VMs and the nova-
  compute service uses QEMU due to hardware limitations with nested VMs.
  Attempting to launch an instance generates the following error (full
  traceback attached):

  2014-04-07 17:50:52.235 1220 TRACE nova.compute.manager [instance: 4574ce1a-e81f-4bfc-a079-b45c2a1f31ae] libvirtError: internal error: process exited while connecting to monitor: qemu-system-x86_64: -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:50:c4:59,bus=pci.0,addr=0x1: PCI: slot 1 function 0 not available for virtio-net-pci, in use by PIIX3
  2014-04-07 17:50:52.235 1220 TRACE nova.compute.manager [instance: 4574ce1a-e81f-4bfc-a079-b45c2a1f31ae] qemu-system-x86_64: -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:50:c4:59,bus=pci.0,addr=0x1: Device initialization failed.
  2014-04-07 17:50:52.235 1220 TRACE nova.compute.manager [instance: 4574ce1a-e81f-4bfc-a079-b45c2a1f31ae] qemu-system-x86_64: -device virtio-net-pci,netdev=hostnet0,id=net0,mac=fa:16:3e:50:c4:59,bus=pci.0,addr=0x1: Device 'virtio-net-pci' could not be initialized

  Package version information:

  nova-compute: :2014.1~rc1-0ubuntu1~cloud0
  nova-network: :2014.1~rc1-0ubuntu1~cloud0
  libvirt-bin: 1.2.2-0ubuntu7~cloud0

  Command output:

  $ nova service-list
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | Binary           | Host       | Zone     | Status  | State | Updated_at                 | Disabled Reason |
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | nova-cert        | hst-osctl5 | internal | enabled | up    | 2014-04-08T00:33:15.000000 | -               |
  | nova-consoleauth | hst-osctl5 | internal | enabled | up    | 2014-04-08T00:33:19.000000 | -               |
  | nova-scheduler   | hst-osctl5 | internal | enabled | up    | 2014-04-08T00:33:13.000000 | -               |
  | nova-conductor   | hst-osctl5 | internal | enabled | up    | 2014-04-08T00:33:16.000000 | -               |
  | nova-compute     | hst-oscpu5 | nova     | enabled | up    | 2014-04-08T00:33:15.000000 | -               |
  | nova-network     | hst-oscpu5 | internal | enabled | up    | 2014-04-08T00:33:13.000000 | -               |
  +------------------+------------+----------+---------+-------+----------------------------+-----------------+

  $ nova net-list
  +--------------------------------------+----------+------------------+
  | ID                                   | Label    | CIDR             |
  +--------------------------------------+----------+------------------+
  | 7f849be3-4494-495a-95a1-0f99ccb884c4 | demo-net | 172.24.246.24/29 |
  +--------------------------------------+----------+------------------+

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