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https://issues.apache.org/jira/browse/CLOUDSTACK-4012?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13726385#comment-13726385
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Wei Zhou commented on CLOUDSTACK-4012:
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libvirt need to be upgraded to at least 0.10.*
> [UPGRADE]System VMs and VRs failed to start using KVM host after upgrading
> from 3.0.6 to 4.2.
> -----------------------------------------------------------------------------------------------
>
> Key: CLOUDSTACK-4012
> URL: https://issues.apache.org/jira/browse/CLOUDSTACK-4012
> Project: CloudStack
> Issue Type: Bug
> Security Level: Public(Anyone can view this level - this is the
> default.)
> Components: KVM, Upgrade
> Affects Versions: 4.2.0
> Environment: KVM host--Upgrade from 3.0.6 to 4.2
> Reporter: manasaveloori
> Priority: Blocker
> Fix For: 4.2.0
>
> Attachments: agent.log, management-server.log, mysqldump1.dmp,
> mysqldumpafterUpgrade.dmp, mysqldumpusage1.dmp
>
>
> Steps:
> 1. Have a CS 3.0.6 patchE with KVM and Xen hypervisors(both Advanced
> zones).
> 2. Add the external devices F5,SRX,Netscaler to CS.
> 3. Delpoy VMs and create firewall,LB rules using the external devices.
> 4. Upgrade to 4.2 build.
> Observed that the system VMs failed to start with KVM host.
> After running the cloudstack-sysvmadm script the System VMs and VRs failed to
> start.
> Observing the agent logs,it show following exception
> 013-08-01 17:41:02,158 WARN [kvm.resource.LibvirtComputingResource]
> (agentRequest-Handler-2:null) LibvirtException
> org.libvirt.LibvirtException: internal error unknown timer name 'kvmclock'
> at org.libvirt.ErrorHandler.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:1128)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3295)
> at
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1224)
> at com.cloud.agent.Agent.processRequest(Agent.java:525)
> at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:852)
> at com.cloud.utils.nio.Task.run(Task.java:83)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
> at java.lang.Thread.run(Thread.java:679)
> Attaching the Ms logs,Db dumps and agent logs.
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