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From Nguyen Anh Tu <t...@apache.org>
Subject Re: system VM looking for cloud0 bridge when OVS/GRE isolation is enabled
Date Wed, 02 Jul 2014 09:50:09 GMT
Let me copy Murali in this thread. He is mastering on GRE feature currently.

--Tuna


On Tue, Jul 1, 2014 at 11:19 PM, Kuang-Ching Wang <kuangching.wang@gmail.com
> wrote:

> Hi, I am trying to set up my cloudstack using OVS plugin.  I created an
> advanced zone with GRE isolation.  When enabling zone, system VMs cannot
> start with the following exception.  What did I miss?
>
> 2014-06-30 21:46:38,382 WARN  [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-3:null) LibvirtException
> org.libvirt.LibvirtException: Cannot get interface MTU on 'cloud0': No
> such device
>         at org.libvirt.ErrorHandler.processError(Unknown Source)
>         at org.libvirt.Connect.processError(Unknown Source)
>         at org.libvirt.Connect.processError(Unknown Source)
>         at org.libvirt.Connect.domainCreateXML(Unknown Source)
>         at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.startVM(LibvirtComputingResource.java:1213)
>         at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3659)
>         at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1307)
>         at com.cloud.agent.Agent.processRequest(Agent.java:498)
>         at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:806)
>         at com.cloud.utils.nio.Task.run(Task.java:83)
>         at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1146)
>         at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:701)

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