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[ https://bugs.launchpad.net/nova/+bug/1270943 ]

I am running Grizzly on Ubuntu 13.04 (so the network service == Quantum).
Nova runs Quantum with LibvirtHybridOVSBridgeDriver and
LinuxOVSInterfaceDriver, while Quantum is configured to use GRE tunnels.
Further, Quantum runs on a dedicated node and VLAN.

Starting in mid-December, new Compute nodes that came online were unable to
spin new VMs. At the moment the nova-compute.log indicated that the
instance had spawned successfully, the hypervisor system crashed with the
following console dump message (last screen's worth):
http://pastebin.com/004MYzvR.

The installation of the Compute packages are controlled by puppet:

1:2013.1-0ubuntu2     nova-common
1:2013.1-0ubuntu2     nova-compute
1:2013.1-0ubuntu2     nova-compute-kvm
1.9.0-0ubuntu1        openvswitch-common
1.9.0-0ubuntu1        openvswitch-datapath-dkms
1.9.0-0ubuntu1        openvswitch-datapath-source
1.9.0-0ubuntu1        openvswitch-switch
1:1.0.3-0ubuntu1      python-cinderclient
1:2013.1.4-0ubuntu1   python-glance
1:0.9.0-0ubuntu1.2    python-glanceclient
1:2013.1.4-0ubuntu1.1 python-keystone
1:0.2.3-0ubuntu2.2    python-keystoneclient
1:2013.1-0ubuntu2     python-nova
1:2.13.0-0ubuntu1     python-novaclient
1:1.1.0-0ubuntu1      python-oslo.config
1:2013.1-0ubuntu2     python-quantum
1:2.2.0-0ubuntu1      python-quantumclient
1:1.3.0-0ubuntu1      python-swiftclient
1:2013.1-0ubuntu2     quantum-common
1:2013.1-0ubuntu2     quantum-plugin-openvswitch
1:2013.1-0ubuntu2     quantum-plugin-openvswitch-agent

The kernel being used is *not* controlled by Puppet and ends up being
whatever the latest and greatest version is in raring-updates. The kernels
in use: 3.8.0.34.52. I tried upgrading to 3.8.0.35.53 when it became
available, but that had no effect.

I'm lost. No idea how to debug this.


-- 
\*..+.-
--Greg Chavez
+//..;};
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