[Xen-users] shared RMRR issue

[jocelyn falempe <jocelyn.falempe@xxxxxxx>]

Hi,

I have gaming windows hvm working with xen 4.3. after updating to xen 4.8, I 
cannot PCI-passthrough my USB controller anymore. The pci passthrough works 
fine for graphic card and audio.

here is the error I get with rdm_policy=strict :

[VT-D] It's disallowed to assign 0000:00:1d.0 with shared RMRR at bdbe3000 for 
Dom2.
(XEN) XEN_DOMCTL_assign_device: assign 0000:00:1d.0 to dom2 failed (-1)

with rdm_policy=relaxed, the VM start, but I get a blue screen ...

I've tried the 3 USB controller of my motherboard, and all gave the same error.

how to check why RMRR is shared, and with which device it is shared ?

Thanks in advance,

--

Jocelyn

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Attachment: lspci.txt
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