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[Bug 1908416] Re: qemu-system-aarch64 can't run Windows 10 for ARM versi


From: A user
Subject: [Bug 1908416] Re: qemu-system-aarch64 can't run Windows 10 for ARM version 2004
Date: Wed, 16 Dec 2020 14:50:31 -0000

** Attachment added: "UEFI img files (QEMU_VARS and QEMU_EFI)"
   
https://bugs.launchpad.net/qemu/+bug/1908416/+attachment/5444215/+files/uefi.7z

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https://bugs.launchpad.net/bugs/1908416

Title:
  qemu-system-aarch64 can't run Windows 10 for ARM version 2004

Status in QEMU:
  New

Bug description:
  Problem: qemu-system-aarch64 can't run Windows 10 for ARM version 2004
  (20H2) or newer

  Host OS: Windows 10 x64 version 20H2
  CPU    : Intel Pentium Dual-core T4300 (no vt-x)
  QEMU   : QEMU version 5.1.0 from qemu.org

  cmdline: qemu-system-aarch64.exe -M virt -cpu cortex-a72 -smp 3
  --accel tcg,thread=multi -m 2048 -pflash QEMU_EFI.img -pflash
  QEMU_VARS.img -device VGA -device nec-usb-xhci -device usb-kbd -device
  usb-mouse -device usb-storage,drive=cdrom -drive
  file="isofile.iso",media=cdrom,if=none,id=cdrom

  Note: QEMU_VARS and QEMU_EFI are taken from edk2

  Details: From this post (https://kitsunemimi.pw/notes/posts/running-
  windows-10-for-arm64-in-a-qemu-virtual-machine.html) and from what I
  have tried, QEMU can't run Windows ARM newer or equal to the 2004
  version. When we boot a 2004 iso (made from uupdump.ml), it stuck as
  the boot screen with the Windows ARM logo and nothing else. When I
  check the machine state and registers through the QEMU monitor, it
  shows that the VM is still running, but the registers are completely
  frozen! But if I try the older version, like 19H2, it works! Please
  help!

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