<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div></div><div>Are you sure your qemu supports Kim hidden tag? Try setting manually hyperv features in features tag off and also hypervclock to off...</div><div> </div><div>Posting ps aux | grep kvm will help us a lot to understand :-) </div><div> </div><div><blockquote type="cite"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin: 0px 0px 0px 0.8ex; border-left-width: 1px; border-left-color: rgb(204, 204, 204); padding-left: 1ex;"><div bgcolor="#FFFFFF" text="#000000"><blockquote type="cite"><div dir="ltr"><div><hyperv></div><div> <relaxed state='off'/></div><div> <vapic state='off'/></div><div> <spinlocks state='off'/></div><div> </hyperv></div><div> </features></div><div> </div><div><div> <clock offset='localtime'></div><div> <timer name='hypervclock' present='no'/></div><div> <timer name='rtc' tickpolicy='catchup'/></div><div> <timer name='pit' tickpolicy='delay'/></div><div> <timer name='hpet' present='no'/></div><div> </clock></div></div></div></blockquote></div></blockquote></div></blockquote></div></blockquote></div></div></blockquote> Sent from my iPhone <blockquote type="cite">On 16 Sep 2015, at 16:10, Mogliii <<a href="mailto:mogliii@gmx.net">mogliii@gmx.net</a>> wrote: </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">Hello, </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">I have been trying to get vga passthrough working for quite some time </blockquote><blockquote type="cite">now. I even ordered a new graphics card just for that purpose. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">I explain my setup and configuration below. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">My current problem: I can install Windows 8.1 with uefi (gpt partition </blockquote><blockquote type="cite">layout) and using virt-manager. Then, I shutdown the VM, remove the </blockquote><blockquote type="cite">spice and graphics, and add the pcie MSI GTX 750 Ti Gaming (it has a </blockquote><blockquote type="cite">legacy and uefi bios; uefi bios selected by physical switch). When I </blockquote><blockquote type="cite">then boot-up the VM, I see the OVMF bios on the physical screen attached </blockquote><blockquote type="cite">to the GTX750 Ti (sometimes I get graphics glitches i.e. all white) and </blockquote><blockquote type="cite">Windows 8.1 boots into 800x600. I see that a Nvidia GTX750Ti is </blockquote><blockquote type="cite">recognized in the device manager. After installing driver (I tried </blockquote><blockquote type="cite">335.23, 340.52, 341.44 and most recent) the gpu is shown with yellow </blockquote><blockquote type="cite">exclamation mark with error code 43 and I have to restart. After </blockquote><blockquote type="cite">restart, I see again the bios and the boot splash, but then the screen </blockquote><blockquote type="cite">goes into power save mode because it does not get any signal just when </blockquote><blockquote type="cite">the login screen is supposed to appear. </blockquote><blockquote type="cite">I can login via vnc and see that the gpu has error code 43. </blockquote><blockquote type="cite">De-installing the driver and restarting I will go back to a 800x600 </blockquote><blockquote type="cite">desktop on my physical screen. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">Any help with my setup would be immensely appreciated. I have another </blockquote><blockquote type="cite">spare ASUS HD6570, but it does not have uefi bios. I am not sure if I </blockquote><blockquote type="cite">would need i915 patch in that case? Does that patch only apply to Intel </blockquote><blockquote type="cite">CPUs? </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">Is the 00:02.2 pci device the problem? </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">I would really appreciate any hint as I currently exhausted all options </blockquote><blockquote type="cite">I see and I would like to avoid spending more money on video cards that </blockquote><blockquote type="cite">I'm not sure I can even use. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">========================== </blockquote><blockquote type="cite">SETUP </blockquote><blockquote type="cite">========= </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 1. Physical setup </blockquote><blockquote type="cite">Asus A88x-PRO </blockquote><blockquote type="cite">AMD A10-7850K (on-board GPU used for linux host with radeon driver </blockquote><blockquote type="cite">(fglrx not installed)) </blockquote><blockquote type="cite">12 GB memory </blockquote><blockquote type="cite">MSI GTX 750 Ti Gaming (bios can be switched between legacy/uefi by </blockquote><blockquote type="cite">hardware switch; using uefi) </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">GPU is installed in middle pcie 16x slot (black, not golden) due to </blockquote><blockquote type="cite">iommu grouping (see below) </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 2. OS </blockquote><blockquote type="cite">UBuntu 15.04 64 bit, unpatched </blockquote><blockquote type="cite">$ uname -a </blockquote><blockquote type="cite">Linux host 3.19.0-28-generic #30-Ubuntu SMP Mon Aug 31 15:52:51 UTC 2015 </blockquote><blockquote type="cite">x86_64 x86_64 x86_64 GNU/Linux </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 3. Relevant packages (not sure if these are all) </blockquote><blockquote type="cite">virt-manager 1:1.2.1-1~getdeb1 (get deb ppa) </blockquote><blockquote type="cite">qemu 1:2.2+dfsg-5expubuntu9.4 </blockquote><blockquote type="cite">libvirt-bin 1.2.12-0ubuntu14.2 </blockquote><blockquote type="cite">qemu-kvm 1:2.2+dfsg-5expubuntu9.4 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 4. Bios settings </blockquote><blockquote type="cite">Set to boot from on board GPU. AMD-V and IOMMU activated. Legacy boot </blockquote><blockquote type="cite">for ubuntu host </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 5. iommu grouping (iommu.sh output) </blockquote><blockquote type="cite">### Group 2 ### </blockquote><blockquote type="cite"> 00:02.0 Host bridge: Advanced Micro Devices, Inc. [AMD] Device 1424 </blockquote><blockquote type="cite"> 00:02.2 PCI bridge: Advanced Micro Devices, Inc. [AMD] Device 1425 </blockquote><blockquote type="cite"> 01:00.0 VGA compatible controller: NVIDIA Corporation GM107 [GeForce </blockquote><blockquote type="cite">GTX 750 Ti] (rev a2) </blockquote><blockquote type="cite"> 01:00.1 Audio device: NVIDIA Corporation Device 0fbc (rev a1) </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 6. pci identifier </blockquote><blockquote type="cite">01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM107 </blockquote><blockquote type="cite">[GeForce GTX 750 Ti] [10de:1380] (rev a2) </blockquote><blockquote type="cite"> Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:3102] </blockquote><blockquote type="cite"> Kernel driver in use: pci-stub </blockquote><blockquote type="cite">01:00.1 Audio device [0403]: NVIDIA Corporation Device [10de:0fbc] (rev a1) </blockquote><blockquote type="cite"> Subsystem: Micro-Star International Co., Ltd. [MSI] Device [1462:3102] </blockquote><blockquote type="cite"> Kernel driver in use: pci-stub </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 7. /proc/cmdline </blockquote><blockquote type="cite">BOOT_IMAGE=/vmlinuz-3.19.0-28-generic root=/dev/mapper/main-root ro </blockquote><blockquote type="cite">rootflags=subvol=@ quiet splash nomdmonddf nomdmonisw amd_iommu=on </blockquote><blockquote type="cite">iommu=pt vfio_iommu_type1.allow_unsafe_interrupts=1 </blockquote><blockquote type="cite">pci-stub.ids=10de:0fbc,10de:1380 vt.handoff=7 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 8. /etc/initramfs-tools/modules </blockquote><blockquote type="cite">pci_stub ids=10de:0fbc,10de:1380 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 9. /etc/modules </blockquote><blockquote type="cite">lp </blockquote><blockquote type="cite">rtc </blockquote><blockquote type="cite">pci_stub </blockquote><blockquote type="cite">vfio </blockquote><blockquote type="cite">vfio_iommu_type1 </blockquote><blockquote type="cite">vfio_pci </blockquote><blockquote type="cite">kvm </blockquote><blockquote type="cite">kvm_amd </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 10. # dmseg | grep pci-stub </blockquote><blockquote type="cite">[ 1.263269] pci-stub: add 10DE:0FBC sub=FFFFFFFF:FFFFFFFF </blockquote><blockquote type="cite">cls=00000000/00000000 </blockquote><blockquote type="cite">[ 1.263287] pci-stub 0000:01:00.1: claimed by stub </blockquote><blockquote type="cite">[ 1.263296] pci-stub: add 10DE:1380 sub=FFFFFFFF:FFFFFFFF </blockquote><blockquote type="cite">cls=00000000/00000000 </blockquote><blockquote type="cite">[ 1.263304] pci-stub 0000:01:00.0: claimed by stub </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 11. /usr/windows.sh (executed before running vm. Afterwards lspci </blockquote><blockquote type="cite">-nnk shows "vfio-pci" as kernel driver in use for 01:00.0 and 01:00.1) </blockquote><blockquote type="cite">#!/bin/bash </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">configfile=/etc/vfio_pci1.cfg </blockquote><blockquote type="cite">vfiobind() { </blockquote><blockquote type="cite"> dev="$1" </blockquote><blockquote type="cite"> vendor=$(cat /sys/bus/pci/devices/$dev/vendor) </blockquote><blockquote type="cite"> device=$(cat /sys/bus/pci/devices/$dev/device) </blockquote><blockquote type="cite"> if [ -e /sys/bus/pci/devices/$dev/driver ]; then </blockquote><blockquote type="cite"> echo $dev > /sys/bus/pci/devices/$dev/driver/unbind </blockquote><blockquote type="cite"> fi </blockquote><blockquote type="cite"> echo $vendor $device > /sys/bus/pci/drivers/vfio-pci/new_id </blockquote><blockquote type="cite"> } </blockquote><blockquote type="cite">modprobe vfio-pci </blockquote><blockquote type="cite">cat $configfile | while read line;do </blockquote><blockquote type="cite"> echo $line | grep ^# >/dev/null 2>&1 && continue </blockquote><blockquote type="cite"> vfiobind $line </blockquote><blockquote type="cite">done </blockquote><blockquote type="cite">exit 0 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 12. /etc/vfio_pci1.cfg </blockquote><blockquote type="cite">0000:01:00.0 </blockquote><blockquote type="cite">0000:01:00.1 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 13. OVMF-bios </blockquote><blockquote type="cite">Got from sourceforge </blockquote><blockquote type="cite">(edk2.git-ovmf-x64-0-20150910.b1206.g5abc2a7.noarch.rpm) and extracted. </blockquote><blockquote type="cite">Then, made individual copy of OVMF-pure-efi.fd (md5 </blockquote><blockquote type="cite">fbb13f2d4be2f9d72472628f885f5cb4 ) for VM. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 14. Created VM in virt-manager using the following configuration </blockquote><blockquote type="cite">(configuration shown after installation, i.e. no cdroms, but before </blockquote><blockquote type="cite">attaching pci) </blockquote><blockquote type="cite"><domain type='kvm'> </blockquote><blockquote type="cite"> <name>win81</name> </blockquote><blockquote type="cite"> <uuid>redacted</uuid> </blockquote><blockquote type="cite"> <memory unit='KiB'>4194304</memory> </blockquote><blockquote type="cite"> <currentMemory unit='KiB'>4194304</currentMemory> </blockquote><blockquote type="cite"> <vcpu placement='static'>2</vcpu> </blockquote><blockquote type="cite"> <os> </blockquote><blockquote type="cite"> <type arch='x86_64' machine='pc-i440fx-utopic'>hvm</type> </blockquote><blockquote type="cite"> <loader type='rom'>/usr/share/ovmf/OVMF-pure-efi_win81.fd</loader> </blockquote><blockquote type="cite"> <boot dev='hd'/> </blockquote><blockquote type="cite"> </os> </blockquote><blockquote type="cite"> <features> </blockquote><blockquote type="cite"> <acpi/> </blockquote><blockquote type="cite"> <apic/> </blockquote><blockquote type="cite"> <pae/> </blockquote><blockquote type="cite"> <kvm> </blockquote><blockquote type="cite"> <hidden state='on'/> </blockquote><blockquote type="cite"> </kvm> </blockquote><blockquote type="cite"> </features> </blockquote><blockquote type="cite"> <cpu mode='host-passthrough'> </blockquote><blockquote type="cite"> </cpu> </blockquote><blockquote type="cite"> <clock offset='localtime'> </blockquote><blockquote type="cite"> <timer name='rtc' tickpolicy='catchup'/> </blockquote><blockquote type="cite"> <timer name='pit' tickpolicy='delay'/> </blockquote><blockquote type="cite"> </clock> </blockquote><blockquote type="cite"> <on_poweroff>destroy</on_poweroff> </blockquote><blockquote type="cite"> <on_reboot>restart</on_reboot> </blockquote><blockquote type="cite"> <on_crash>restart</on_crash> </blockquote><blockquote type="cite"> <pm> </blockquote><blockquote type="cite"> <suspend-to-mem enabled='no'/> </blockquote><blockquote type="cite"> <suspend-to-disk enabled='no'/> </blockquote><blockquote type="cite"> </pm> </blockquote><blockquote type="cite"> <devices> </blockquote><blockquote type="cite"> <emulator>/usr/bin/qemu-system-x86_64</emulator> </blockquote><blockquote type="cite"> <disk type='block' device='disk'> </blockquote><blockquote type="cite"> <driver name='qemu' type='raw' cache='none' io='native'/> </blockquote><blockquote type="cite"> <source dev='/dev/main/Win7xen'/> </blockquote><blockquote type="cite"> <target dev='vda' bus='virtio'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </disk> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-ehci1'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x7'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci1'> </blockquote><blockquote type="cite"> <master startport='0'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x0' multifunction='on'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci2'> </blockquote><blockquote type="cite"> <master startport='2'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x1'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci3'> </blockquote><blockquote type="cite"> <master startport='4'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x2'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='pci' index='0' model='pci-root'/> </blockquote><blockquote type="cite"> <controller type='virtio-serial' index='0'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <interface type='bridge'> </blockquote><blockquote type="cite"> <mac address='52:54:00:ab:b6:10'/> </blockquote><blockquote type="cite"> <source bridge='br1'/> </blockquote><blockquote type="cite"> <model type='virtio'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </interface> </blockquote><blockquote type="cite"> <input type='mouse' bus='ps2'/> </blockquote><blockquote type="cite"> <input type='keyboard' bus='ps2'/> </blockquote><blockquote type="cite"> <graphics type='spice' autoport='yes'/> </blockquote><blockquote type="cite"> <video> </blockquote><blockquote type="cite"> <model type='qxl' ram='65536' vram='65536' vgamem='16384' heads='1'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x02' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </video> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x0603'/> </blockquote><blockquote type="cite"> <product id='0x1605'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x05ac'/> </blockquote><blockquote type="cite"> <product id='0x1006'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x05ac'/> </blockquote><blockquote type="cite"> <product id='0x024f'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <memballoon model='virtio'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </memballoon> </blockquote><blockquote type="cite"> </devices> </blockquote><blockquote type="cite"></domain> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 15. After installation and installation of updates, shut down the VM </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 16. Attached PCI devices and removed video and display spice. Below </blockquote><blockquote type="cite">is virsh configuration after attaching pcie passthrough. </blockquote><blockquote type="cite"><domain type='kvm'> </blockquote><blockquote type="cite"> <name>win81</name> </blockquote><blockquote type="cite"> <uuid>redacted</uuid> </blockquote><blockquote type="cite"> <memory unit='KiB'>4194304</memory> </blockquote><blockquote type="cite"> <currentMemory unit='KiB'>4194304</currentMemory> </blockquote><blockquote type="cite"> <vcpu placement='static'>2</vcpu> </blockquote><blockquote type="cite"> <os> </blockquote><blockquote type="cite"> <type arch='x86_64' machine='pc-i440fx-utopic'>hvm</type> </blockquote><blockquote type="cite"> <loader type='rom'>/usr/share/ovmf/OVMF-pure-efi_win81.fd</loader> </blockquote><blockquote type="cite"> <boot dev='hd'/> </blockquote><blockquote type="cite"> </os> </blockquote><blockquote type="cite"> <features> </blockquote><blockquote type="cite"> <acpi/> </blockquote><blockquote type="cite"> <apic/> </blockquote><blockquote type="cite"> <pae/> </blockquote><blockquote type="cite"> <kvm> </blockquote><blockquote type="cite"> <hidden state='on'/> </blockquote><blockquote type="cite"> </kvm> </blockquote><blockquote type="cite"> </features> </blockquote><blockquote type="cite"> <cpu mode='host-passthrough'> </blockquote><blockquote type="cite"> </cpu> </blockquote><blockquote type="cite"> </clock> </blockquote><blockquote type="cite"> <on_poweroff>destroy</on_poweroff> </blockquote><blockquote type="cite"> <on_reboot>restart</on_reboot> </blockquote><blockquote type="cite"> <on_crash>restart</on_crash> </blockquote><blockquote type="cite"> <pm> </blockquote><blockquote type="cite"> <suspend-to-mem enabled='no'/> </blockquote><blockquote type="cite"> <suspend-to-disk enabled='no'/> </blockquote><blockquote type="cite"> </pm> </blockquote><blockquote type="cite"> <devices> </blockquote><blockquote type="cite"> <emulator>/usr/bin/qemu-system-x86_64</emulator> </blockquote><blockquote type="cite"> <disk type='block' device='disk'> </blockquote><blockquote type="cite"> <driver name='qemu' type='raw' cache='none' io='native'/> </blockquote><blockquote type="cite"> <source dev='/dev/main/Win7xen'/> </blockquote><blockquote type="cite"> <target dev='vda' bus='virtio'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </disk> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-ehci1'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x7'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci1'> </blockquote><blockquote type="cite"> <master startport='0'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x0' multifunction='on'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci2'> </blockquote><blockquote type="cite"> <master startport='2'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x1'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='usb' index='0' model='ich9-uhci3'> </blockquote><blockquote type="cite"> <master startport='4'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x06' </blockquote><blockquote type="cite">function='0x2'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <controller type='pci' index='0' model='pci-root'/> </blockquote><blockquote type="cite"> <controller type='virtio-serial' index='0'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </controller> </blockquote><blockquote type="cite"> <interface type='bridge'> </blockquote><blockquote type="cite"> <mac address='52:54:00:ab:b6:10'/> </blockquote><blockquote type="cite"> <source bridge='br1'/> </blockquote><blockquote type="cite"> <model type='virtio'/> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </interface> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x0603'/> </blockquote><blockquote type="cite"> <product id='0x1605'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x05ac'/> </blockquote><blockquote type="cite"> <product id='0x1006'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='usb' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <vendor id='0x05ac'/> </blockquote><blockquote type="cite"> <product id='0x024f'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='pci' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <hostdev mode='subsystem' type='pci' managed='yes'> </blockquote><blockquote type="cite"> <source> </blockquote><blockquote type="cite"> <address domain='0x0000' bus='0x01' slot='0x00' function='0x1'/> </blockquote><blockquote type="cite"> </source> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x09' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </hostdev> </blockquote><blockquote type="cite"> <memballoon model='virtio'> </blockquote><blockquote type="cite"> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' </blockquote><blockquote type="cite">function='0x0'/> </blockquote><blockquote type="cite"> </memballoon> </blockquote><blockquote type="cite"> </devices> </blockquote><blockquote type="cite"></domain> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">[[[ 17. What else did I try </blockquote><blockquote type="cite">- Different nvidia drivers (see top of email) </blockquote><blockquote type="cite">- Attaching 00:02.2 as well, but cannot do vfio-pci assignement so failed </blockquote><blockquote type="cite"># virsh nodedev-list --tree </blockquote><blockquote type="cite"> +- pci_0000_00_02_0 </blockquote><blockquote type="cite"> +- pci_0000_00_02_2 </blockquote><blockquote type="cite"> | | </blockquote><blockquote type="cite"> | +- pci_0000_01_00_0 </blockquote><blockquote type="cite"> | +- pci_0000_01_00_1 </blockquote><blockquote type="cite"> | </blockquote><blockquote type="cite"> +- pci_0000_00_03_0 </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"># lspci -nnk (extract) </blockquote><blockquote type="cite">00:02.0 Host bridge [0600]: Advanced Micro Devices, Inc. [AMD] Device </blockquote><blockquote type="cite">[1022:1424] </blockquote><blockquote type="cite">00:02.2 PCI bridge [0604]: Advanced Micro Devices, Inc. [AMD] Device </blockquote><blockquote type="cite">[1022:1425] </blockquote><blockquote type="cite"> Kernel driver in use: pcieport </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">- Reinstall the whole VM with seabios and using the GTX 750 Ti with </blockquote><blockquote type="cite">legacy bios (physical switch on card). But no picture was shown on </blockquote><blockquote type="cite">screen after attaching, not even the bios. </blockquote><blockquote type="cite">- Tried to use q35 emulation, but not successful. It does not work with </blockquote><blockquote type="cite">ovmf? I.e. I cannot use the qemu:cmd or ioh3420. </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite"> </blockquote><blockquote type="cite">_______________________________________________ </blockquote><blockquote type="cite">vfio-users mailing list </blockquote><blockquote type="cite"><a href="mailto:vfio-users@redhat.com">vfio-users@redhat.com</a> </blockquote><blockquote type="cite"><a href="https://www.redhat.com/mailman/listinfo/vfio-users">https://www.redhat.com/mailman/listinfo/vfio-users</a> </blockquote></div></body></html>