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[Bug 1821595] Re: Failed to emulate MMIO access with EmulatorReturnStatu
From: |
Fernando Luiz |
Subject: |
[Bug 1821595] Re: Failed to emulate MMIO access with EmulatorReturnStatus: 2 |
Date: |
Tue, 29 Sep 2020 23:54:40 -0000 |
Hi. I didnt build Qemu but I downloaded the last version 5.1.0 from
https://qemu.weilnetz.de/w64/ and the error "Failed to emulate MMIO
access with EmulatorReturnStatus: 2" happens when I use -drive if=pflash
or -pflash with -accel whpx.
"qemu-system-x86_64.exe -pflash d:\macWIN\OVMF_CODE.fd -accel whpx
Windows Hypervisor Platform accelerator is operational
qemu-system-x86_64.exe: WHPX: Failed to emulate MMIO access with
EmulatorReturnStatus: 2
qemu-system-x86_64.exe: WHPX: Failed to exec a virtual processor"
If I remove pflash and change to -bios "ovmf" the machine works.
qemu-system-x86_64.exe -bios d:\macWIN\OVMF_CODE.fd -accel whpx
If I maintain pflash but remove -accel whpx the machine works too.
qemu-system-x86_64.exe -pflash d:\macWIN\OVMF_CODE.fd
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https://bugs.launchpad.net/bugs/1821595
Title:
Failed to emulate MMIO access with EmulatorReturnStatus: 2
Status in QEMU:
New
Bug description:
I have compiled qemu with enable-whpx parameter for Hyper-V Platform API in
Mingw64 . When I tried run with Windows 7 iso file I have faced issue with the
following problem:
qemu-system-x86_64.exe: WHPX: Failed to emulate MMIO access with
EmulatorReturnStatus: 2
qemu-system-x86_64.exe: WHPX: Failed to exec a virtual processor
configuration directives:
../configure --target-list=x86_64-softmmu,i386-softmmu --enable-lzo\
--enable-bzip2 --enable-tools --enable-sdl --enable-gtk --enable-hax\
--enable-vdi --enable-qcow1 --enable-whpx --disable-capstone\
--disable-werror --disable-stack-protector --prefix="../../QEMU-bin"
Qemu command line:
qemu-system-x86_64.exe -m 1024 -cdrom
"C:\Users\vmcs\Documents\en_windows_7_home_premium_with_sp1_x86_dvd_u_676701.iso"
-display sdl -machine q35 -accel whpx
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