<div dir="ltr"><div><div><div><div><div><div>Hi, </div>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 \ </div>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. </div>How to debug it and make it run? </div>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'/> </hyperv> </features> <cpu mode='custom' match='exact'> <model fallback='allow'>Haswell-noTSX</model> </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/kvm</emulator> <disk type='file' device='disk'> <driver name='qemu' type='raw'/> <source file='/home/vm/firebird_ws/windows10.img'/> <target dev='vda' bus='virtio'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x04' function='0x0'/> </disk> <controller type='usb' index='0' model='ich9-ehci1'> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x7'/> </controller> <controller type='usb' index='0' model='ich9-uhci1'> <master startport='0'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x0' multifunction='on'/> </controller> <controller type='usb' index='0' model='ich9-uhci2'> <master startport='2'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x1'/> </controller> <controller type='usb' index='0' model='ich9-uhci3'> <master startport='4'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x05' function='0x2'/> </controller> <controller type='pci' index='0' model='pci-root'/> <controller type='ide' index='0'> <address type='pci' domain='0x0000' bus='0x00' slot='0x01' function='0x1'/> </controller> <interface type='bridge'> <mac address='52:54:00:11:e2:9e'/> <source bridge='br0'/> <model type='rtl8139'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> </interface> <serial type='pty'> <target port='0'/> </serial> <console type='pty'> <target type='serial' port='0'/> </console> <input type='tablet' bus='usb'> <address type='usb' bus='0' port='1'/> </input> <input type='mouse' bus='ps2'/> <input type='keyboard' bus='ps2'/> <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> <hostdev mode='subsystem' type='pci' managed='yes'> <source> <address domain='0x0000' bus='0x01' slot='0x00' function='0x0'/> </source> <rom bar='on' file='/home/vm/windows10/vbios.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> <rom bar='off'/> <address type='pci' domain='0x0000' bus='0x00' slot='0x07' function='0x0'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='yes'> <source> <vendor id='0x046d'/> <product id='0xc328'/> </source> <address type='usb' bus='0' port='2'/> </hostdev> <hostdev mode='subsystem' type='usb' managed='yes'> <source> <vendor id='0x046d'/> <product id='0xc069'/> </source> <address type='usb' bus='0' port='3'/> </hostdev> <memballoon model='virtio'> <address type='pci' domain='0x0000' bus='0x00' slot='0x08' function='0x0'/> </memballoon> </devices> </domain> </div>Best Regards </div>Tomasz Strzelecki <div><div> </div></div></div>