Problem with xen config

[Jim Fehlig]

On 8/10/20 2:38 AM, Christoph wrote:
>>>
>>> xen_platform_pci=1
>>
>> This setting is not supported in the libvirt libxl driver, but AFAICT
>> libxl sets the default to 'true' for HVM guests.
>>
>>> pci_msitranslate=1
>>
>> This is also not supported in libvirt and unfortunately defaults to
>> 'false'.
>>
>>> pci_permissive = 1
>>
>> Patches have been submitted for this setting but so far there has not
>> been agreement on the schema change
>>
>> https://www.redhat.com/archives/libvir-list/2020-April/msg01230.html
> 
> thats bad :(
> 
>>
>>> max_grant_frames = "128
>>
>> This, along with max_event_channels, is supported as an attribute on
>> the xenbus controller, e.g.
>>
>> <controller type='xenbus' maxGrantFrames='128'
>> maxEventChannels='2047'/>
> 
> yep I know but why does virsh not translate it from xen-xm->xml?

It does. Those are xl.cfg(5) settings and are not supported by the old 
xmdomain.cfg(5) format. Did you try xen-xl? E.g.

virsh domxml-{to,from}-native xen-xl ...

Regards,
Jim