[ovirt-users] oVirt 4.2: hostdev passthrough not working any more

[Alexandr Krivulya]

22.02.2018 11:37, Alexandr Krivulya пишет:
> 22.02.2018 11:30, Martin Polednik пишет:
>> On 22/02/18 10:40 +0200, Alexandr Krivulya wrote:
>>> Hello, the same problem after upgrade to 4.2.1 :(
>>>
>>>
>>> 18.01.2018 11:53, Daniel Helgenberger пишет:
>>>> Hello,
>>>>
>>>> yesterday I upgraded to 4.2.0 from 4.1.8.
>>>>
>>>> Now I notice I cannot assign host dev pass though any more; in the GUI
>>>> the 'Pinnded to host' list is empty; I cannot select any host for pass
>>>> through host pinning.
>>
>> Does the host that previously worked report device passthrough
>> capability? In the UI it's the "Device Passthrough: Enabled" field.
>> (and similarly named field in vdsm-client getCapabilities call) 
> Now "Device Passthrough: Disabled", but usb passthrough works well on 4.1

After enabling intel_iommu usb passthrough works again. But why this 
option needed for usb now?
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