qemu 2.10.0 cannot boot Windows 10 familly On qemu 2.10.0 Windows 10 and Windows Server 2016 hangs during boot. Below is setup of Windows Server 2016. Downgrading to 2.9 fixes the problem. /usr/bin/qemu-system-x86_64 -name guest=,debug-threads=on -S -object secret,id=masterKey0,format=raw,file=/var/lib/libvirt/qemu/domain-2-/master-key.aes -machine pc-q35-2.8,accel=kvm,usb=off,dump-guest-core=off -cpu host,nx=on,hv_relaxed,hv_vapic,hv_spinlocks=0x1000,hv_vpindex,hv_runtime,hv_synic,hv_reset,kvm=off -drive file=/usr/local/share/edk2.git/ovmf-x64/OVMF-pure-efi.fd,if=pflash,format=raw,unit=0 -drive file=/var/lib/libvirt/qemu/nvram/_VARS.fd,if=pflash,format=raw,unit=1 -m 4096 -realtime mlock=off -smp 12,sockets=1,cores=6,threads=2 -object iothread,id=iothread1 -object iothread,id=iothread2 -object iothread,id=iothread3 -object iothread,id=iothread4 -object iothread,id=iothread5 -object iothread,id=iothread6 -object iothread,id=iothread7 -object iothread,id=iothread8 -object iothread,id=iothread9 -object iothread,id=iothread10 -object iothread,id=iothread11 -object iothread,id=iothread12 -uuid -no-user-config -nodefaults -chardev socket,id=charmonitor,path=/var/lib/libvirt/qemu/domain-2-/monitor.sock,server,nowait -mon chardev=charmonitor,id=monitor,mode=control -rtc base=localtime,clock=vm,driftfix=slew -no-shutdown -boot strict=on -device ioh3420,port=0x10,chassis=1,id=pci.1,bus=pcie.0,multifunction=on,addr=0x2 -device ioh3420,port=0x11,chassis=2,id=pci.2,bus=pcie.0,addr=0x2.0x1 -device ioh3420,port=0x12,chassis=3,id=pci.3,bus=pcie.0,addr=0x2.0x2 -device ioh3420,port=0x13,chassis=4,id=pci.4,bus=pcie.0,addr=0x2.0x3 -device ioh3420,port=0x14,chassis=5,id=pci.5,bus=pcie.0,addr=0x2.0x4 -device ioh3420,port=0x15,chassis=6,id=pci.6,bus=pcie.0,addr=0x2.0x5 -device nec-usb-xhci,id=usb,bus=pci.3,addr=0x0 -drive if=none,media=cdrom,id=drive-sata0-0-0,readonly=on -device ide-cd,bus=ide.0,drive=drive-sata0-0-0,id=sata0-0-0,bootindex=2 -drive if=none,media=cdrom,id=drive-sata0-0-1,readonly=on -device ide-cd,bus=ide.1,drive=drive-sata0-0-1,id=sata0-0-1,bootindex=1 -drive file=/dev/mapper/,format=raw,if=none,id=drive-sata0-0-2 -device ide-hd,bus=ide.2,drive=drive-sata0-0-2,id=sata0-0-2,bootindex=3 -netdev tap,fd=21,id=hostnet0,vhost=on,vhostfd=23 -device virtio-net-pci,netdev=hostnet0,id=net0,mac=,bus=pci.1,addr=0x0 -netdev tap,fd=24,id=hostnet1,vhost=on,vhostfd=25 -device virtio-net-pci,netdev=hostnet1,id=net1,mac=,bus=pci.2,addr=0x0 -device usb-tablet,id=input0,bus=usb.0,port=1 -spice unix,addr=/var/lib/libvirt/qemu/domain-2-/spice.sock,disable-ticketing,image-compression=auto_glz,seamless-migration=on -vnc 127.0.0.1:0 -device qxl-vga,id=video0,ram_size=67108864,vram_size=16777216,vram64_size_mb=0,vgamem_mb=16,max_outputs=1,bus=pcie.0,addr=0x1 -device vhost-scsi-pci,wwpn=,vhostfd=26,id=hostdev0,bus=pcie.0,addr=0x9 -device virtio-balloon-pci,id=balloon0,bus=pci.4,addr=0x0 -object rng-random,id=objrng0,filename=/dev/random -device virtio-rng-pci,rng=objrng0,id=rng0,max-bytes=1024,period=1000,bus=pci.5,addr=0x0 -msg timestamp=o