On 13 Nov 2015, at 14:06, Alexandr Krivulya <shuriku@shurik.kiev.ua> wrote:
13.11.15 14:29, Michal Skrivanek пишет:
On 13 Nov 2015, at 13:21, Alexandr Krivulya <shuriku@shurik.kiev.ua> wrote:
Hello, after upgrade to 3.6 virtual machine with hostusb vdsm hook attached cannot be started:
12.11.15 21:29, Alexandr Krivulya пишет: there shouldn’t be a reason for a hook in 3.6, there’s a full support for usb passthrough in UI. though it shouldn’t break just by upgrade to 3.6…Martin?
There is an old platform - no support for device passthrough. See my previous post:
that’s unrelated…(plus be careful as you’re not supposed to touch the db manually, you can easily end up with a non-working setup) Your issues might come from your previous usage of that hook. I would suggest to try to replace it completely with proper 3.6 implementation (remove hook, create a new vm, define passthorugh in UI) that said…i guess there is a shortcoming regarding usb passthrough - we mistakenly assume PCI passthrough requiring VT-d and support in kernel…but that shouldn’t be needed for USB adding the other Martin to check:) in the meantime you can set it up for PCI passthrough (enable VT-d, enable iommu remapping in kernel, follow the ovirt passthrough doc), that should get you over that extra filter check you reported earlier thanks, michal
http://lists.ovirt.org/pipermail/users/2015-November/035881.html
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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