[vfio-users] Hotplug problem (Was: USB device passthrough regression?)

[Patrick O'Callaghan]

On Sat, 2017-11-04 at 12:09 +0000, Ferdinand Pöll wrote:
> > Is there some special magic to make this work, or is this a known bug
> > in QEMU/KVM and I should just forget about it?
> 
> This sounds like a common problem which occurs when you are using a GPU in a VM without Message-Signal-based-Interrupts. Please try this: 
> * https://wiki.lime-technology.com/UnRAID_Manual_6#Enable_MSI_for_Interrupts_to_Fix_HDMI_Audio_Support
> * https://forums.guru3d.com/threads/windows-line-based-vs-message-signaled-based-interrupts.378044/

Thanks, I took a look and although the PCIe board and GPU are both
listed as MSI-capable by lspci on the host, they don't offer that in
the Windows registry.

poc