> On 16 Mar 2017, at 11:38, Adolfo <[email protected]> wrote:
>
> Hi,
>
> I don't know if this is the correct place for this question (i hope it is
> ;-) ).
>
> We are trying to make "enable USB support" work with a machine created from
> python ovirtsdk4 api,
>
> here is the code:
>
> cluster = ovirt.types.Cluster(id=six.binary_type(clusterId))
> template = ovirt.types.Template(id=six.binary_type(templateId))
> if usbType in ('native', 'legacy'):
> usb = ovirt.types.Usb(enabled=True,
> type=ovirt.types.UsbType.NATIVE if usbType == 'native' else
> ovirt.types.UsbType.LEGACY)
legacy is no longer supported in 4.0 (and not needed/useful since 3.6 already)
> else:
> usb = ovirt.types.Usb(enabled=False)
>
> memoryPolicy = ovirt.types.MemoryPolicy(guaranteed=guaranteedMB *
> 1024 * 1024)
> par = ovirt.types.Vm(name=name, cluster=cluster,
> template=template, description=comments,
> type=ovirt.types.VmType.DESKTOP, memory=memoryMB * 1024 * 1024,
> memory_policy=memoryPolicy,
> usb=usb) # display=display,
>
> return api.system_service().vms_service().add(par).id
>
>
> The cuestion is that the machines gets correctly created, but when we try to
> start the machine, we get an this error (extract from vdsm):
>
> Traceback (most recent call last):
> File "/usr/share/vdsm/virt/vm.py", line 552, in _startUnderlyingVm
> self._run()
> File "/usr/share/vdsm/virt/vm.py", line 1994, in _run
> self._connection.createXML(domxml, flags),
> File "/usr/lib/python2.7/site-packages/vdsm/libvirtconnection.py", line 123,
> in wrapper
> ret = f(*args, **kwargs)
> File "/usr/lib/python2.7/site-packages/vdsm/utils.py", line 941, in wrapper
> return func(inst, *args, **kwargs)
> File "/usr/lib64/python2.7/site-packages/libvirt.py", line 3784, in createXML
> if ret is None:raise libvirtError('virDomainCreateXML() failed', conn=self)
> libvirtError: Error XML: Duplicate USB controllers with index 0
>
> The question is, that if to this machine we have created, from administration
> interface, remove an add support for usb, the machine works, and the
> generated XML differs:
>
> This is the difference we have found:
>
> < <controller index="0" model="piix3-uhci" type="usb">
> < <address bus="0x00" domain="0x0000" function="0x2" slot="0x01"
> type="pci" />
> < </controller>
> 40a38
> > <address bus="0x00" domain="0x0000" function="0x0" slot="0x02"
> > type="pci" />
>
> The "<" are from the non working (created from API call), and the ">" are
> same machine after disabling and enabling again "usb support".
>
> Is this a bug?, if not, ¿How is supposed to be enabled USB support from API
> on VM Creation?,
>
> By the way, the equivalent code for oVirt 3.x was working without problems,
> the problems arises from 4.0 onwards.
Sounds like bug, adding Jakub
>
>
> Sorry for the inconveniences, and thank in advance for any help,
>
>
> Adolfo Gómez
>
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