GPU passthrough, unraid, nvidia rtx

kvm config.xml

<!-- use q35-3.0 -->

<!--vendor_id is replacing none and kvm->hidden is required -->

<features>
    <acpi/>
    <apic/>
    <hyperv>
      <relaxed state='on'/>
      <vapic state='on'/>
      <spinlocks state='on' retries='8191'/>
      <vendor_id state='on' value='123456789ab'/>
    </hyperv>
    <kvm>
      <hidden state='on'/>
    </kvm>
  </features>

syslinux.cfg

# in /boot/syslinux/

default menu.c32
menu title Lime Technology, Inc.
prompt 0
timeout 50

# video=efifb:off <- disable virtual terminal for primary output, otherwise no signal on output
# vfio-pci.ids=10de:1ada,10de:1adb,10de:1f08,10de:10f9 -> allow nvidia RTX usb, serial controller (10de:1ada,10de:1adb) use in VM, otherwise IOMMU error
label Unraid OS MY
  menu default
  kernel /bzimage
  append video=efifb:off vfio-pci.ids=10de:1ada,10de:1adb,10de:1f08,10de:10f9 initrd=/bzroot
label Unraid OS
  kernel /bzimage
  #append initrd=/bzroot
  append vfio-pci.ids=10de:1ada,10de:1adb,10de:1f08,10de:10f9 initrd=/bzroot
label Unraid OS GUI Mode
  kernel /bzimage
  #append initrd=/bzroot,/bzroot-gui
  append vfio-pci.ids=10de:1ada,10de:1adb initrd=/bzroot,/bzroot-gui
label Unraid OS Safe Mode (no plugins, no GUI)
  kernel /bzimage
  append initrd=/bzroot unraidsafemode
label Unraid OS GUI Safe Mode (no plugins)
  kernel /bzimage
  append initrd=/bzroot,/bzroot-gui unraidsafemode
label Memtest86+
  kernel /memtest