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Date: Tue, 25 Aug 2015 06:45:46 +0000 (UTC)
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Subject: [jira] [Commented] (CLOUDSTACK-8443) Support CentOS7 as KVM host
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    [ https://issues.apache.org/jira/browse/CLOUDSTACK-8443?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14710706#comment-14710706 ] 

ASF GitHub Bot commented on CLOUDSTACK-8443:
--------------------------------------------

Github user karuturi commented on the pull request:

    https://github.com/apache/cloudstack/pull/731#issuecomment-134502526
  
    This is what I have done to test
    
    installed a fresh setup with centos63 rpms on MS with 6.3 and KVM host with 6.3. 
    verified that systemvms, VR and user instances successfully started.
    verified that cgroup_controllers=["cpu"] doesnt exists at host:/etc/libvirt/qemu.conf
    
    installed a fresh setup with centos7 rpms on MS with 7 and KVM host with 7.
    verified that systemvms, VR and user instances successfully started.
    verified that cgroup_controllers=["cpu"] doesnt exists at host:/etc/libvirt/qemu.conf
    
    :+1: 
    
    Thanks for the detailed description :) 


> Support CentOS7 as KVM host
> ---------------------------
>
>                 Key: CLOUDSTACK-8443
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-8443
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>    Affects Versions: 4.5.0, 4.5.1, 4.6.0
>            Reporter: Rohit Yadav
>            Assignee: Remi Bergsma
>            Priority: Critical
>             Fix For: 4.6.0
>
>
> CentOS7 as KVM host fails with exception:
> 2015-05-05 21:39:45,395{GMT} WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-5:) LibvirtException 
> org.libvirt.LibvirtException: Controller 'cpuacct' is not wanted, but 'cpu' is co-mounted: Invalid argument
> 	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:1267)
> 	at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.execute(LibvirtComputingResource.java:3828)
> 	at com.cloud.hypervisor.kvm.resource.LibvirtComputingResource.executeRequest(LibvirtComputingResource.java:1361)
> After umounting cpuacct (umount /sys/fs/cgroup/cpuacct), and restarting host, the exception seen is: (also seen after upgrading linux kernel to 4.0.1)
> 2015-05-05 21:40:15,875{GMT} WARN  [kvm.resource.LibvirtComputingResource] (agentRequest-Handler-5:) LibvirtException 
> org.libvirt.LibvirtException: unsupported configuration: CPU tuning is not available on this host
> 	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:1267)


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