[vfio-users] What host driver should be used when unbind vga device from vfio-pci driver?
Alex Williamson
alex.williamson at redhat.com
Thu Dec 6 15:36:52 UTC 2018
On Thu, 6 Dec 2018 13:38:08 +0800
Acewind <acewind at gmail.com> wrote:
> I want to keep host os running and make igd device recyclable for
> passthrough to another guest.
> But is seems unstable, sometimes vga driver in windows 10 guest can not be
> loaded normally, after host rebooted it can work again.
> In libvirt xml, I have already set in the hostdev element managed = yes.
If you only intend to use IGD for guests, then your best bet might be
to use vfio-pci.ids to make vfio-pci bind to the device at boot and use
managed='no' in your libvirt xml. Otherwise switching drivers for no
purpose is only going to put you at risk for problems. Thanks,
Alex
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