[CLOUDSTACK-8443] Support CentOS7 as KVM host

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Affects Version/s: 4.5.0, 4.5.1, 4.6.0
• Fix Version/s: 4.6.0
• Security Level: Public (Anyone can view this level - this is the default.)
• Assignee: Remi Bergsma
• Reporter: Rohit Yadav
• Created: 05/May/15 21:57
• Updated: 16/Sep/15 07:13
• Resolved: 25/Aug/15 12:55

Description

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)

Issue Links

• depends upon: CLOUDSTACK-8625 Systemd profile for KVM Agent
• incorporates: CLOUDSTACK-8625 Systemd profile for KVM Agent