openstack/instack-undercloud
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instack-undercloud/doc/source/troubleshooting/troubleshooting-virt-setup.rst
Jaromir Coufal ea3f54f09a Add Troubleshooting chapter and organize the docs there 
Change-Id: I37b8314dcaf81da9069d22266c7ebd90a84f5bbb
2015-04-23 14:24:57 +02:00

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Troubleshooting instack-virt-setup Failures

  • Due to a bug in libvirt, it is possible for instack-virt-setup to fail with an error such as the following:

    libvirt: QEMU Driver error : unsupported configuration: This QEMU doesn't support virtio scsi controller
Traceback (most recent call last):
File "/usr/libexec/openstack-tripleo/configure-vm", line 133, in <module>
    main()
File "/usr/libexec/openstack-tripleo/configure-vm", line 129, in main
    a = conn.defineXML(libvirt_template)
File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3445, in defineXML
    if ret is None:raise libvirtError('virDomainDefineXML() failed', conn=self)
libvirt.libvirtError: unsupported configuration: This QEMU doesn't support virtio scsi controller

    The workaround is to do delete the libvirt capabilities cache and restart the service:

    rm -Rf  /var/cache/libvirt/qemu/capabilities/
systemctl restart libvirtd