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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-10348) VMs fail to deploy on Ubuntu 17.10/18.04 KVM host
Date Mon, 02 Apr 2018 10:36:00 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-10348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16422106#comment-16422106
] 

ASF GitHub Bot commented on CLOUDSTACK-10348:
---------------------------------------------

rafaelweingartner commented on a change in pull request #2518: CLOUDSTACK-10348: Don't specify
cache mode for empty cdrom device
URL: https://github.com/apache/cloudstack/pull/2518#discussion_r178522730
 
 

 ##########
 File path: plugins/hypervisors/kvm/src/com/cloud/hypervisor/kvm/resource/LibvirtVMDef.java
 ##########
 @@ -819,8 +819,12 @@ public String toString() {
             diskBuilder.append(" type='" + _diskType + "'");
             diskBuilder.append(">\n");
             if(qemuDriver) {
-                diskBuilder.append("<driver name='qemu'" + " type='" + _diskFmtType
-                        + "' cache='" + _diskCacheMode + "' ");
+                if (_deviceType == DeviceType.CDROM && _sourcePath == null) {
 
 Review comment:
   What about extracting this bit of code that appends the disk information to a XML to a
method called? Then, it is possible to further document it (when the cache mode is used and
why it is not used sometimes), and of course it would enable us to unit test this logic of
creating the disk entry.

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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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