[root@brutus-coreos opt]# virsh start winos1

error: Failed to start domain winos1

error: internal error: early end of file from monitor: possible problem:

2016-02-07T16:56:09.358285Z qemu-system-x86_64: -device vfio-pci,host=01:00.0,id=hostdev0,bus=pci.0,addr=0x6,romfile=/opt/MSI.R9380.4096.150713.rom: failed to find romfile "/opt/MSI.R9380.4096.150713.

[root@brutus-coreos opt]# cd /opt

[root@brutus-coreos opt]# ls -lsa

total 136

  4 drwxr-xr-x.  2 root root   4096 Feb  7 17:53 .

  4 dr-xr-xr-x. 18 root root   4096 Feb  4 18:58 ..

128 -rw-rw-r--.  1 qemu qemu 131072 Feb  7 17:53 MSI.R9380.4096.150713.rom

[david@brutus-coreos ~]$ sudo virsh dumpxml winos1

[sudo] password for david: 

<domain type='kvm'>

  <name>winos1</name>

  <uuid>64dfaf21-e556-4e0c-bfc9-676f5fcf3e06</uuid>

  <memory unit='KiB'>15360000</memory>

  <currentMemory unit='KiB'>15360000</currentMemory>

  <vcpu placement='static'>8</vcpu>

  <os>

    <type arch='x86_64' machine='pc-i440fx-2.4'>hvm</type>

    <loader readonly='yes' type='pflash'>/usr/share/edk2.git/ovmf-x64/OVMF_CODE-pure-efi.fd</loader>

    <nvram>/var/lib/libvirt/qemu/nvram/winos1_VARS.fd</nvram>

    <boot dev='hd'/>

  </os>

  <features>

    <acpi/>

    <apic/>

    <hyperv>

      <relaxed state='on'/>

      <vapic state='on'/>

      <spinlocks state='on' retries='8191'/>

    </hyperv>

    <vmport state='off'/>

  </features>

  <cpu mode='host-passthrough'>

    <topology sockets='1' cores='4' threads='2'/>

  </cpu>

  <clock offset='localtime'>

    <timer name='rtc' tickpolicy='catchup'/>

    <timer name='pit' tickpolicy='delay'/>

    <timer name='hpet' present='no'/>

    <timer name='hypervclock' present='yes'/>

  </clock>

  <on_poweroff>destroy</on_poweroff>

  <on_reboot>restart</on_reboot>

  <on_crash>restart</on_crash>

  <pm>

    <suspend-to-mem enabled='no'/>

    <suspend-to-disk enabled='no'/>

  </pm>

  <devices>

    <emulator>/usr/bin/qemu-kvm</emulator>

    <disk type='file' device='disk'>

      <driver name='qemu' type='raw'/>

      <source file='/dev/ssd/winos1'/>

      <target dev='vda' bus='virtio'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0'/>

    </disk>

    <disk type='file' device='disk'>

      <driver name='qemu' type='raw'/>

      <source file='/dev/hdd/windata1'/>

      <target dev='vdb' bus='virtio'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x0d' function='0x0'/>

    </disk>

    <controller type='usb' index='0' model='nec-xhci'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/>

    </controller>

    <controller type='sata' index='0'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/>

    </controller>

    <controller type='pci' index='0' model='pci-root'/>

    <controller type='virtio-serial' index='0'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x0b' function='0x0'/>

    </controller>

    <interface type='direct'>

      <mac address='52:54:00:31:bc:b8'/>

      <source dev='enp0s31f6' mode='bridge'/>

      <model type='virtio'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x02' function='0x0'/>

    </interface>

    <hostdev mode='subsystem' type='pci' managed='yes'>

      <source>

        <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/>

      </source>

      <rom file='/opt/MSI.R9380.4096.150713.rom'/>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x06' function='0x0'/>

    </hostdev>

    <hostdev mode='subsystem' type='pci' managed='yes'>

      <source>

        <address domain='0x0000' bus='0x01' slot='0x00' function='0x1'/>

      </source>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/>

    </hostdev>

    <hostdev mode='subsystem' type='pci' managed='yes'>

      <source>

        <address domain='0x0000' bus='0x00' slot='0x14' function='0x0'/>

      </source>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/>

    </hostdev>

    <hostdev mode='subsystem' type='pci' managed='yes'>

      <source>

        <address domain='0x0000' bus='0x03' slot='0x00' function='0x0'/>

      </source>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>

    </hostdev>

    <memballoon model='virtio'>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x0a' function='0x0'/>

    </memballoon>

    <rng model='virtio'>

      <backend model='random'>/dev/random</backend>

      <address type='pci' domain='0x0000' bus='0x00' slot='0x0c' function='0x0'/>

    </rng>

    <panic>

      <address type='isa' iobase='0x505'/>

    </panic>

  </devices>

</domain>