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https://issues.apache.org/jira/browse/CLOUDSTACK-10348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16421696#comment-16421696
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ASF GitHub Bot commented on CLOUDSTACK-10348:
---------------------------------------------

ustcweizhou commented on issue #2518: CLOUDSTACK-10348: Don't specify cache 
mode for empty cdrom device
URL: https://github.com/apache/cloudstack/pull/2518#issuecomment-377795528
 
 
   @rhtyd I did face this issue in 17.04 testing. Unfortunately I did not fix 
it really as we are using ubuntu 16.04
   
   for this PR, is there any issue in vm migration ? did you test it ?

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> VMs fail to deploy on Ubuntu 17.10/18.04 KVM host
> -------------------------------------------------
>
>                 Key: CLOUDSTACK-10348
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-10348
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the 
> default.) 
>            Reporter: Rohit Yadav
>            Priority: Blocker
>             Fix For: 4.12.0.0, 4.11.1.0
>
>
> Issue observed:
> 2018-04-01 00:44:19,735 WARN [resource.wrapper.LibvirtStartCommandWrapper] 
> (agentRequest-Handler-2:null) (logid:29139943) LibvirtException
> org.libvirt.LibvirtException: internal error: process exited while connecting 
> to monitor: 2018-03-31T19:14:19.559497Z qemu-system-x86_64: -chardev 
> pty,id=charserial0: char device redirected to /dev/pts/3 (label charserial0)
> 2018-03-31T19:14:19.560574Z qemu-system-x86_64: -drive 
> file=/mnt/fd7d94b4-1672-3337-89f2-7dbc82e716f2/27d4b539-7dfd-4307-9d43-033d7c0a83bf,format=qcow2,if=none,id=drive-virtio-disk0,serial=27d4b5397dfd43079d43,cache=none:
>  'serial' is deprecated, please use the corresponding option of '-device' 
> instead
> 2018-03-31T19:14:19.606326Z qemu-system-x86_64: -drive 
> if=none,id=drive-ide0-1-0,readonly=on,cache=none: Must specify either driver 
> or file
>  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:1414)
>  at 
> com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStartCommandWrapper.execute(LibvirtStartCommandWrapper.java:92)
>  at 
> com.cloud.hypervisor.kvm.resource.wrapper.LibvirtStartCommandWrapper.execute(LibvirtStartCommandWrapper.java:47)
>  at 
> com.cloud.hypervisor.kvm.resource.wrapper.LibvirtRequestWrapper.execute(LibvirtRequestWrapper.java:75)
>  at 
> com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1438)
>  at com.cloud.agent.Agent.processRequest(Agent.java:563)
>  at com.cloud.agent.Agent$AgentRequestHandler.doTask(Agent.java:976)
>  at com.cloud.utils.nio.Task.call(Task.java:83)
>  at com.cloud.utils.nio.Task.call(Task.java:29)



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