yahoo-eng-team team mailing list archive

[Igor Duarte Cardoso <1312133@xxxxxxxxxxxxxxxxxx>]

Public bug reported:

Since I upgraded my deployment from Havana to Icehouse, I can no longer
launch VMs when the hypervisor is KVM. However, with QEMU it works
perfectly. Back in Havana I've always used KVM.

The machines and operating systems are unchanged since Havana, and the
OS is Ubuntu 12.04.4 LTS.

I can see the qemu-system-x86_64 process taking up 100% CPU. I can't
find any relevant logs to further understand what's happening.

I am using Neutron for networking, which is also working properly.

Here is the Compute node's nova.conf:
http://paste.openstack.org/show/76662/

Compute node's nova-compute.conf: http://paste.openstack.org/show/76663/

Controller node's nova.conf: http://paste.openstack.org/show/76664/

Compute's libvirt instance file: /etc/libvirt/qemu/instance-*.xml:
http://paste.openstack.org/show/76674/

And the commands that are run using and not not using KVM:
http://paste.openstack.org/show/76927/

I notice that the QEMU machine type is now pc-i440fx-trusty, even though
I'm still using precise. Anyway, without KVM and the same machine type
it works.

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: libvirt

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https://bugs.launchpad.net/bugs/1312133

Title:
  Cannot launch VMs with KVM since Icehouse upgrade

Status in OpenStack Compute (Nova):
  New

Bug description:
  Since I upgraded my deployment from Havana to Icehouse, I can no
  longer launch VMs when the hypervisor is KVM. However, with QEMU it
  works perfectly. Back in Havana I've always used KVM.

  The machines and operating systems are unchanged since Havana, and the
  OS is Ubuntu 12.04.4 LTS.

  I can see the qemu-system-x86_64 process taking up 100% CPU. I can't
  find any relevant logs to further understand what's happening.

  I am using Neutron for networking, which is also working properly.

  Here is the Compute node's nova.conf:
  http://paste.openstack.org/show/76662/

  Compute node's nova-compute.conf:
  http://paste.openstack.org/show/76663/

  Controller node's nova.conf: http://paste.openstack.org/show/76664/

  Compute's libvirt instance file: /etc/libvirt/qemu/instance-*.xml:
  http://paste.openstack.org/show/76674/

  And the commands that are run using and not not using KVM:
  http://paste.openstack.org/show/76927/

  I notice that the QEMU machine type is now pc-i440fx-trusty, even
  though I'm still using precise. Anyway, without KVM and the same
  machine type it works.

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