[ovirt-users] hostusb with ovirt3.6

[Alexandr Krivulya]

12.11.15 21:29, Alexandr Krivulya пишет:
> Hello,
> after upgrade to 3.6 virtual machine with hostusb vdsm hook attached
> cannot be started:
>
> Thread-2194::ERROR::2015-11-12
> 21:21:16,527::vm::751::virt.vm::(_startUnderlyingVm)
> vmId=`ec7cde24-ac17-453c-a0d3-1873993b80e1`::The vm start process failed
> Traceback (most recent call last):
>   File "/usr/share/vdsm/virt/vm.py", line 695, in _startUnderlyingVm
>     self._run()
>   File "/usr/share/vdsm/virt/vm.py", line 1876, in _run
>     self._domDependentInit()
>   File "/usr/share/vdsm/virt/vm.py", line 1733, in _domDependentInit
>     self._getUnderlyingVmDevicesInfo()
>   File "/usr/share/vdsm/virt/vm.py", line 1682, in
> _getUnderlyingVmDevicesInfo
>     self._getUnderlyingHostDeviceInfo()
>   File "/usr/share/vdsm/virt/vm.py", line 4106, in
> _getUnderlyingHostDeviceInfo
>     if device_type == 'usb':
>   File "/usr/share/vdsm/virt/vm.py", line 4092, in
> _getUnderlyingHostDeviceUSBInfo
>     for dev in self.conf['devices']:
> UnboundLocalError: local variable 'device' referenced before assignment
> Thread-2194::INFO::2015-11-12
> 21:21:16,546::vm::1278::virt.vm::(setDownStatus)
> vmId=`ec7cde24-ac17-453c-a0d3-1873993b80e1`::Changed state to Down:
> local variable 'device' referenced before assignment (code=1)
>
> Corresponding xml entry present in vm start config:
>
>         <hostdev mode="subsystem" type="usb"><source><vendor
> id="0x14a8"/><product id="0x0001"/></source></hostdev></devices>
>
>

Dirty hack solves issue (I'm far away from python):

--- vm.py.orig  2015-11-13 14:14:37.152170286 +0200
+++ vm.py       2015-11-13 14:13:47.387855814 +0200
@@ -4103,7 +4103,7 @@
         for x in self._domain.get_device_elements('hostdev'):
             device_type = x.getAttribute('type')
             if device_type == 'usb':
-                self._getUnderlyingHostDeviceUSBInfo(x)
+#                self._getUnderlyingHostDeviceUSBInfo(x)
                 continue
             alias = x.getElementsByTagName('alias')[0].getAttribute('name')
             address = self._getUnderlyingDeviceAddress(x)

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