[Bug 1892541] [NEW] qemu 5.1 on windows 10 with whpx can not install Windows 7 guest

[Yonggang Luo]

Public bug reported:

Command install and start win7

qemu-system-x86_64  -smbios type=1,uuid=e77aacd6-0acb-4a5c-9a83-a80d029b36f1 
-smp 2,sockets=1,cores=2,maxcpus=2 -nodefaults -boot 
menu=on,strict=on,reboot-timeout=1000 -m 8192 ^
-readconfig pve-q35-4.0.cfg ^
-device vmgenid,guid=6d4865f5-353e-4cf1-b8ca-f5abbd062736 -device 
usb-tablet,id=tablet,bus=ehci.0,port=1 -device VGA,id=vga,bus=pcie.0,addr=0x1 ^
-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 ^
-drive 
file=en_windows_7_ultimate_with_sp1_x64_dvd_u_677332.iso,if=none,id=drive-ide2,media=cdrom,aio=threads
 ^
-device ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200 -device 
ahci,id=ahci0,multifunction=on,bus=pci.0,addr=0x7 ^
-drive 
id=drive-sata0,if=none,file=win7.qcow2,format=qcow2,cache=none,aio=native,detect-zeroes=on
 ^
-device ide-hd,bus=ahci0.0,drive=drive-sata0,id=sata0,bootindex=100 ^
-netdev type=tap,id=mynet0,ifname=tap1,script=no,downscript=no ^
-device 
e1000,netdev=mynet0,mac=52:55:00:d1:55:10,bus=pci.0,addr=0x12,id=net0,bootindex=300
 ^
-machine type=q35,accel=whpx

** Affects: qemu
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1892541

Title:
  qemu 5.1 on windows 10 with whpx can not install Windows 7 guest

Status in QEMU:
  New

Bug description:
  Command install and start win7

  qemu-system-x86_64  -smbios type=1,uuid=e77aacd6-0acb-4a5c-9a83-a80d029b36f1 
-smp 2,sockets=1,cores=2,maxcpus=2 -nodefaults -boot 
menu=on,strict=on,reboot-timeout=1000 -m 8192 ^
  -readconfig pve-q35-4.0.cfg ^
  -device vmgenid,guid=6d4865f5-353e-4cf1-b8ca-f5abbd062736 -device 
usb-tablet,id=tablet,bus=ehci.0,port=1 -device VGA,id=vga,bus=pcie.0,addr=0x1 ^
  -device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 ^
  -drive 
file=en_windows_7_ultimate_with_sp1_x64_dvd_u_677332.iso,if=none,id=drive-ide2,media=cdrom,aio=threads
 ^
  -device ide-cd,bus=ide.1,unit=0,drive=drive-ide2,id=ide2,bootindex=200 
-device ahci,id=ahci0,multifunction=on,bus=pci.0,addr=0x7 ^
  -drive 
id=drive-sata0,if=none,file=win7.qcow2,format=qcow2,cache=none,aio=native,detect-zeroes=on
 ^
  -device ide-hd,bus=ahci0.0,drive=drive-sata0,id=sata0,bootindex=100 ^
  -netdev type=tap,id=mynet0,ifname=tap1,script=no,downscript=no ^
  -device 
e1000,netdev=mynet0,mac=52:55:00:d1:55:10,bus=pci.0,addr=0x12,id=net0,bootindex=300
 ^
  -machine type=q35,accel=whpx

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