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

[Michal Skrivanek]

> On 22 Feb 2018, at 16:45, Alexandr Krivulya <shuriku at shurik.kiev.ua> wrote:
> 
> 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?

it should not be
sounds like a regression
can you please open a bug on that and add logs?

Thanks,
michal

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