[vfio-users] VFIO and passed through devices show as removable/hotpluggable

[Alex Williamson]

On Thu, Jan 14, 2016 at 2:54 PM, Muted Bytes <mutedbytes at gmail.com> wrote:

> Hi all,
>
> I am running recently upgraded Windows 10 VM using kvm in kernel 4.4 and
> qemu 2.5.0, with OVMF. Guest OS is installed to a physical HDD and passed
> through to guest as a scsi-block drive on virtio-scsi-pci device. Physical
> GPU, NIC, USB card, and PCI audio cards are also all being passed through
> to guest using vfio-pci. However, I noticed that all of these
> passed-through devices, including the virtio-scsi controller, are showing
> up as removable devices in the guest.
>
> Ultimately, I think this is problematic for me because the hard drive
> containing guest OS also shows up as removable, and preventing Windows from
> doing normal things such as pagefile creation. How to handle this? Is this
> normal?
>

This is normal and in my experience is not a problem.  My virtio-scsi
controller shows as removable and Win8.1 seems perfectly happy to put a
pagefile on it.  Isn't this why Windows complains when you don't "safely"
remove a device?  There is such a thing as swapoff.
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