[vfio-users] Stuck at Tiano Core Splash Screen

[Alex Williamson]

On Sun, 22 Jan 2017 18:24:54 +0100
"fenix23 ." <fenix.tczew at gmail.com> wrote:

> Hi,
> 
> I have working vm with passedthrough GTX 980 Ti. I run it with command
> below.
> 
> QEMU_ALSA_DAC_BUFFER_SIZE=1881 QEMU_ALSA_DAC_PERIOD_SIZE=940
> QEMU_AUDIO_DRV=alsa exec \
> qemu-system-x86_64 \
>   -enable-kvm \
>   -smp cores=2,threads=2 \
>   -m 12G \
>   -cpu host,kvm=off \
>   -vga none \
>   -usb -usbdevice host:046d:c328 \
>   -nographic \
>   -usb -usbdevice host:046d:c069 \
>   -device vfio-pci,host=01:00.0,multifunction=on,romfile=/root/vbios.rom \
> -device vfio-pci,host=01:00.1 \
>   -drive if=pflash,format=raw,readonly,file=/usr/share/OVMF/OVMF_CODE.fd \
>   -drive if=pflash,format=raw,file=/tmp/my_vars.fd \
>   -device virtio-scsi-pci,id=scsi \
>   -drive file=/home/iso/windows10_x64.iso,id=isocd,format=raw,if=none
> -device scsi-cd,drive=isocd \
>   -drive file=/home/iso/virtio-win.iso,id=virtio,format=raw,if=none -device
> ide-cd,bus=ide.1,drive=virtio \
>   -drive
> file=/home/vm/firebird_ws/firebird_ws.img,id=disk,format=qcow2,if=none,cache=writeback
> -device scsi-hd,drive=disk \
>   -net nic -net bridge,br=br0 \
> 
> 
> Now I'm trying to run it under libvirt but I only getting TianoCore splash
> screen on GPU output and windows boot's up and in VNC i see code 43 on gpu
> card.
> 
> How to debug it and make it run?
> 
> XML file below:
> 
> <domain type='kvm'>
>   <name>windows10</name>
>   <uuid>5fc3a2cf-e58c-4127-abf1-45c8572d9b8e</uuid>
>   <memory unit='KiB'>4194304</memory>
>   <currentMemory unit='KiB'>4194304</currentMemory>
>   <vcpu placement='static'>4</vcpu>
>   <os>
>     <type arch='x86_64' machine='pc-i440fx-2.6'>hvm</type>
>     <loader readonly='yes'
> type='pflash'>/usr/share/OVMF/OVMF_CODE.fd</loader>  
>     <nvram>/tmp/my_vars.fd</nvram>
>     <boot dev='hd'/>
>   </os>
>   <features>
>     <acpi/>
>     <apic/>
>     <hyperv>
>       <relaxed state='on'/>
>       <vapic state='on'/>
>       <spinlocks state='on' retries='8191'/>

Missing:

      <vendor_id state='on' value='SomeString'/>


>     </hyperv>

Missing:

    <kvm>
      <hidden state='on'/>
    </kvm>


[snip]
>     <graphics type='vnc' port='-1' autoport='yes'>
>       <listen type='address'/>
>     </graphics>
>     <video>
>       <model type='vga' vram='16384' heads='1' primary='yes'/>
>       <address type='pci' domain='0x0000' bus='0x00' slot='0x02'
> function='0x0'/>  
>     </video>

GeForce doesn't typically work as a secondary graphics in the VM, get
rid of both the <graphics> and <video> sections above.

Hint:
http://vfio.blogspot.com/2015/05/vfio-gpu-how-to-series-part-4-our-first.html