[vfio-users] IGD passthrough black screen

Wed Feb 1 14:43:54 UTC 2017

...It didn't work... I tried different kernel options (nomodeset,
i915.enable_fbc=0, ...)  with no luck.
Any suggestions?

Thanks

2017-02-01 10:29 GMT+01:00 Chris Anderson <chris.andersonc at yandex.com>:

> Is the i915 module loaded? I noticed that the snd-hda driver was pulling
> this in. If it is you can just try renaming it to i915.ko.noload and that
> should stop it from loading
>
>
> 01.02.2017, 20:10, "José A. Gómez" <mailgomez at gmail.com>:
>
> So I reinstalled again, and now I am having this kernel message when I
> start the VM:
> ...
> ......
> [  161.395402] DMAR: DRHD: handling fault status reg 3
> [  161.395831] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab5c0000 [fault reason 06] PTE Read access is not set
> [  161.396777] DMAR: DRHD: handling fault status reg 3
> [  161.397202] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab5ee000 [fault reason 06] PTE Read access is not set
> [  161.398124] DMAR: DRHD: handling fault status reg 3
> [  161.398547] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab65b000 [fault reason 06] PTE Read access is not set
> [  161.399474] DMAR: DRHD: handling fault status reg 3
> [  161.399899] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab6c7000 [fault reason 06] PTE Read access is not set
> [  161.401084] DMAR: DRHD: handling fault status reg 3
> [  161.401468] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab213000 [fault reason 12] non-zero reserved fields in PTE
> [  161.402329] DMAR: DRHD: handling fault status reg 3
> [  161.402709] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab277000 [fault reason 06] PTE Read access is not set
> [  161.403583] DMAR: DRHD: handling fault status reg 3
> [  161.403960] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab2da000 [fault reason 06] PTE Read access is not set
> [  161.404788] DMAR: DRHD: handling fault status reg 3
> [  161.405167] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab33c000 [fault reason 06] PTE Read access is not set
> [  161.405996] DMAR: DRHD: handling fault status reg 3
> [  161.406405] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab39c000 [fault reason 06] PTE Read access is not set
> [  161.407256] DMAR: DRHD: handling fault status reg 3
> [  161.407651] DMAR: [DMA Read] Request device [00:02.0] fault addr
> ab3ff000 [fault reason 06] PTE Read access is not set
> [  161.739597] virbr0: port 2(vnet0) entered learning state
> [  161.810579] vfio-pci 0000:00:02.0: BAR 2: can't reserve [mem 0xb
> 0000000-0xbfffffff 64bit pref]
> ......
> ...
>
> Notes:
> (grub config)
> GRUB_CMDLINE_LINUX_DEFAULT="quiet resume=UUID=1bd6d9d7-4fd2-49bd-9095-fe4d581d9bff
> rd.modules-load=vfio-pci intel_iommu=on video=vesafb:off,efifb:off"
>
> I tried it in both default linux kernel and linux-vfio with the same
> results.
>
> Thanks
>
>
> 2017-01-30 21:55 GMT+01:00 José A. Gómez <mailgomez at gmail.com>:
>
> I've launched the vm again:
>
> 2017-01-30T20:48:59.235214Z qemu-system-x86_64: terminating on signal 15
> from pid 405 (/usr/bin/libvirtd)
> 2017-01-30 20:48:59.835+0000: shutting down, reason=destroyed
> 2017-01-30 20:49:58.623+0000: starting up libvirt version: 3.0.0, qemu
> version: 2.8.0, hostname: antkvm
> LC_ALL=C PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin
> QEMU_AUDIO_DRV=none /usr/sbin/qemu-system-x86_64 -name
> guest=win10,debug-threads=on -S -object secret,id=masterKey0,format=
> raw,file=/var/lib/libvirt/qemu/domain-3-win10/master-key.aes -machine
> pc-i440fx-2.8,accel=kvm,usb=off,vmport=off,dump-guest-core=off -cpu
> host-passthrough,hv_time,hv_relaxed,hv_vapic,hv_spinlocks=0x1fff -m 4096
> -realtime mlock=off -smp 2,sockets=2,cores=1,threads=1 -uuid
> b4adc075-0af9-4a4f-a487-bcc5082b198e -display none -no-user-config
> -nodefaults -chardev socket,id=charmonitor,path=/
> var/lib/libvirt/qemu/domain-3-win10/monitor.sock,server,nowait -mon
> chardev=charmonitor,id=monitor,mode=control -rtc
> base=localtime,driftfix=slew -global kvm-pit.lost_tick_policy=delay
> -no-hpet -no-shutdown -global PIIX4_PM.disable_s3=1 -global
> PIIX4_PM.disable_s4=1 -boot strict=on -device ich9-usb-ehci1,id=usb,bus=pci.0,addr=0x5.0x7
> -device ich9-usb-uhci1,masterbus=usb.0,firstport=0,bus=pci.0,multifunction=on,addr=0x5
> -device ich9-usb-uhci2,masterbus=usb.0,firstport=2,bus=pci.0,addr=0x5.0x1
> -device ich9-usb-uhci3,masterbus=usb.0,firstport=4,bus=pci.0,addr=0x5.0x2
> -device ahci,id=sata0,bus=pci.0,addr=0x6 -device
> virtio-serial-pci,id=virtio-serial0,bus=pci.0,addr=0x7 -drive
> file=/home/MAQUINAS/win10IGDTEST.qcow2,format=
> qcow2,if=none,id=drive-virtio-disk0 -device virtio-blk-pci,scsi=off,bus=
> pci.0,addr=0x8,drive=drive-virtio-disk0,id=virtio-disk0,bootindex=1
> -drive if=none,media=cdrom,id=drive-sata0-0-0,readonly=on -device
> ide-cd,bus=sata0.0,drive=drive-sata0-0-0,id=sata0-0-0 -drive
> if=none,media=cdrom,id=drive-sata0-0-1,readonly=on -device
> ide-cd,bus=sata0.1,drive=drive-sata0-0-1,id=sata0-0-1 -netdev
> tap,fd=24,id=hostnet0,vhost=on,vhostfd=26 -device virtio-net-pci,netdev=
> hostnet0,id=net0,mac=52:54:00:94:a0:e0,bus=pci.0,addr=0x3 -device
> usb-host,hostbus=1,hostaddr=5,id=hostdev0,bus=usb.0,port=1 -device
> vfio-pci,host=00:02.0,id=hostdev1,bus=pci.0,addr=0x2 -device
> virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0xb -msg timestamp=on
>
>
> 2017-01-30 21:23 GMT+01:00 Alex Williamson <alex.williamson at redhat.com>:
>
> On Mon, 30 Jan 2017 20:53:50 +0100
> José A. Gómez <mailgomez at gmail.com> wrote:
>
> > Hello,
> >
> > This is my config
> >
> > Asus z87 deluxe (socket 1150)
> > CPU  Intel 4590 (hd4600)
> > ati 5770
> > memory 16 GB
> > Antergos OS
> > Kernel version 4.9.6-1-ARCH
> >
> > I have been working with the ATI as a guest in the VM without big
> problems
> > (although it doesn't have a real uefi rom) and now I wanted to experiment
> > with the IGD.
> > I'm trying to pass the intel graphics to the VM (W10) but I only get a
> > black screen. It is recognized in Windows 10 perfectly (adding the qxl
> > graphics previously) but the screen does not turn on using the hdmi
> output.
> >
> > What I have done first is install windows 10 with qxl graphics card and
> > after the installation add the IGD to the VM. Once inside the VM again
> > install the drivers of the intel grapihcs card ( whichs is recognized
> > perfectly as a intel hd4600),
> > shutdown the VM and remove the qxl card.
> >
> > I also tried this in ubuntu with the same results.
>
> Are there any errors reported in /var/log/libvirt/qemu/win10.log?
>
> ,
>
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