[vfio-users] Virt-manager setup issues - CPU "host-passthrough" - can't boot media using edk2 EFI - no bridge available

Garland Key david.garland.key at gmail.com
Tue Mar 8 20:00:08 UTC 2016


*Specs*OS: Arch Linux x86_64
Mobo: ASUS Sabertooth X99
CPU: i7-5930K
RAM: 32G DDR4
GPU: Gigabyte Nvidia GTX 970

I've successfully installed qemu, libvirt, edk2.git-ovmf-x64 and
vfio-linux.  I have successfully dedicated one gpu to vfio and the other to
the nvidia driver.  Each of my gpus are listed in different groups, so I
don't need the ACS over ride patch.  As such, I'm using the standard kernel.

I'm following the following guide
<http://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-4-our-first.html>
in an attempt to setup the initial VM but I'm running into various problems.


   1. If I manually enter "host-pass-through" in
   Processor>CPUs>Configuration>Model:, my host will lock up when I click
   "Begin Installation".  My only option is to hard reset the host.  I've been
   using Haswell-noTSX instead.  Will this be okay?  What would cause
   "host-passthrough" to freeze my host like that?

   2. When booting to the EFI shell, I'm unable to load the linked virtio
   drivers
   <https://fedorapeople.org/groups/virt/virtio-win/direct-downloads/archive-virtio/virtio-win-0.1.113-1/>
   or the Windows 10 install iso, even though I've selected them as IDE CDROM
   1 & 2.  When I select CDROM 1 in the boot options of the EFI shell, it says
   to press any key to boot from cd rom, but when I do nothing happens and it
   goes back to the EFI shell.  Is this likely a problem with my isos or is it
   possible that I'm doing something wrong?

   3. I don't have the Bridge option available as a network source.  Is
   this something I can create through virt-manager or do I need to look
   elsewhere.  If you know of a link, it would be very helpful - I'm don't
   know enough about how this works to google the right keywords.

Any help that you can provide is greatly appreciated.

Best,
Garland
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