C:\msys64\usr\local\src\qemu\build\qemu-system-x86_64.exe: WHPX: Failed to exec a virtual processor. User-mode emulation. In fact, my issue is that -accel whpx makes the whole process slow to a crawl immediately after the framebuffer initialisation, and no one else seems to have reported anything of the sort. Migration compatibility note: as backend id one shall use value of 'default-ram-id', advertised by machine type (available via query-machines QMP command), if migration to/from old QEMU (<5.0) is expected.. for machine types 4.0 and older, user shall use x-use-canonical-path-for-ramblock-id=off backend option if migration to/from old QEMU (<5.0) is expected. We were able to build QEMU with WHPX support. Parent Directory - qemu-w64-setup-20210203.exe 2021-02-03 17:04 180M QEMU Installer for Windows (64 bit) qemu-w64-setup-20210203.sha512 2021-02-03 21:23 158 SHA-512 for installer qemu-w64-setup-20210208.exe 2021-02-09 01:00 180M . product of `virt-install -n archlinux001 -c archlinux-2022.07.01-x86_64.iso --disk none` 3. Posted by 23 hours ago. Failed to emulate MMIO access with EmulatorReturnStatus: 2. > The kvm_apic_mem_write results in a IOCTL that should deliver a lowest > priority interrupt of vector b3 to logical vcpu 2. After installing Qemu, open Windows Powershell and type qemu-img. 2. I have compiled qemu with enable-whpx parameter for Hyper-V Platform API in Mingw64 . Problem is I cannot find the implementation of this in Qemu or LibVirt, anyone have any clue or workaround for this? Run operating systems for any machine, on any supported architecture. - or -. I found that qemu supports WHPX, using -M accel=whpx. qemu-system-x86_64.exe: WHPX: Failed to exec a virtual processor. From: Sunil Muthuswamy <sunil. I have enabled both Hyper V and Windows Hypervisor. Launch script: xqemu.exe -cpu pentium3 -machine xbox,accel=kvm:hax:whpx,kernel_irqchip=off,bootrom=mcpx_1.0.bin -m 64 -bios xbox-4627_debug.bin -drive index=0,media=disk,file=xbox_hdd.qcow2,locked. I tried using WHPX header files from latest Microsoft SDK and default ones . 0 comments. I found HAXM as a slow accelerator (for me has the same performance as TCG) and I want a better experience. Now you might see that it does not recognize the command. how to replicate behavior of virt-install's vm network in virt-manager. whpx: injection failed, MSI (0, 0) delivery: 0, dest_mode: 0, trigger mode: 0, vector: 0, lost (c0350005) . Without this option it runs fine (but no nested virtualization). I am having a problem enabling either whpx or haxm and no matter what I do the result is the same: qemu complains that -machine accel=haxm: No accelerator found. I will open a separate bug report for that one. configuration . Took the accel=kvm:hax:whpx line from the XQEMU Manager frontend . Weird, FWIW I'm on qemu 6.0.0 (20210505) and the current WSL instructions are working correctly for me, I don't require kernel-irqchip=off.. Paolo Bonzini Wed, 02 Dec 2020 00:15:34 -0800. exe: WHPX: Failed to emulate MMIO access with EmulatorReturnS tatus: 2 qemu-system-x86_64. Running Windows guests with the WHPX accelerator and SMP enabled may cause the guest to freeze, with the host at 100% high CPU usage, after running for a short while. Without this option it runs fine (but no nested virtualization). This takes us to number 2. 3. Here you get QEMU related binaries for 64 bit versions of Microsoft Windows. The command line is the following: "C:\Program Files\qemu\ qemu-system- x86_64. share. Virtualization. . At the moment, OvmfPkg has platforms (DSC files) that target Bhyve, QEMU/KVM, QEMU/TCG, Xen/HVM, and Xen/PVH. Limit to 1 CPU, 1 core and 1 thread, i.e. The same for whpx. The option only works for the latest version of Windows (ones that are coming out on Insiders). whpx: injection failed, MSI (0, 0) delivery: 0, dest_mode: 0, trigger mode: 0, vector: 0, lost (c0350005) . Error: No accelerator found. The command to launch QEMU is as below, > qemu-system-x86_64.exe -accel whpx The following errors were output from the command line, qemu-system-x86_64.exe: WHPX: No accelerator found, hr=00000000 qemu-system-x86_64.exe: failed to initialize WHPX: No space left on . (In reply to Radim Krm from comment #14) > The 7.2 qemu config doesn't have IOMMU enabled and is using the kvm (kernel) > IOAPIC, so EIM and the x2APIC patches should be irrelevant. However, I would need whpx as when using OVMF to boot into Windows, it would be very slow. We were able to build QEMU with WHPX support. qemu-system-x86_64.exe -vga std -m 2048 -smp 2 -soundhw ac97 -net nic,model=e1000 -net user -cdrom android-x86_64-8.1-r1.iso -hda android.img -accel haxm. When I tried run with Windows 7 iso file I have faced issue with the following problem: qemu-system-x86_64. 1/2. 1. Avoid frontends and management stacks, to ensure that the bug is in QEMU itself and not in a frontend." Causes the command prompt to return: whpx: injection failed, MSI (0, 0) delivery: 0, dest_mode: 0, trigger mode: 0, vector: 0, lost (c0350005) then the guest refuses to accept any input but the cursor still blinks. Windows10 qemu whpx whpx (injection failed ) install whpx keyboard ; UEFI ; I am using qemu to emulate Zorin OS 16 (a hour old user of qemu) I tried to emulate Zorin OS 16 with whpx acceleration with this command in power shell " qemu-system-x86_64.exe -boot d -cdrom . This will limit Qemu to . I think the problem > isn't related to . The command to launch QEMU is as below, > qemu-system-x86_64.exe -accel whpx The following errors were output from the command line, qemu-system-x86_64.exe: WHPX: No accelerator found, hr=00000000 qemu-system-x86_64.exe: failed to initialize WHPX: No space left on device We analyzed the issue and found when invoking the Windows Hypervisor . Works fine with the tcg . Qemu closes and prints following message: WHPX: setting APIC emulation mode in the hypervisor Windows Hypervisor Platform accelerator is operational whpx: injection failed, MSI (0, 0) delivery: 0, dest_mode: 0, trigger mode: 0, vector: 0, lost (c0350005) qemu-system-x86_64: WHPX: Unexpected VP exit code 4 Steps to reproduce Ah OK, so that was a false-turn on my part. Emulator: qemu-system-x86_64.exe: WHPX: Failed to enable partition extended X64MsrExit and X64CpuidExit hr=80070057 Emulator: qemu-system-x86_64.exe: failed to initialize WHPX: Invalid argument. xqemu.exe: failed to initialize HAX: Invalid argument. exe" -accel whpx -cpu qemu64,vmx=on. QEMU A generic and open source machine emulator and virtualizer. To prevent this, either: Remove the "-smp " parameter. QEMU failed to be launched. save. ** Affects: qemu Importance: Undecided Status: New ** Tags: vmx whpx -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. I enabled Windows Hypervisor Platform and everything from the Hyper-V category in Windows Features and then I restarted the machine. . It crashes with any model of CPU as long as the "vmx=on" option is added. reply via email to [Prev in Thread] Current Thread [Next in Thread] HELP: I can't get whpx working on ryzen . Download Qemu and .iso. @microsoft.com> This patch adds support the kernel-irqchip option for WHPX with on or off value. I've been messing around with qemu on Windows 10. Name Last modified Size Description. exe: WHPX: Failed to exec a virtual processor. My processor is an Intel i7-10510U, and I am running Windows 10 2004 (build 19041.572). 2. : -smp sockets=1,cores=1,threads=1. The command to launch QEMU is as below, > qemu-system-x86_64.exe -accel whpx The following errors were output from the command line, qemu-system-x86_64.exe: WHPX: No accelerator found, hr=00000000 qemu-system-x86_64.exe: failed to initialize WHPX: No space left on . Click here to download Qemu and download your desired .iso file. QEMU failed to be launched. Full-system emulation. Windows Hypervisor Platform accelerator is operational. 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