QEMU and WHPX \ VOGONS

QEMU and WHPX

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First post, by OSH

Posted on 2022-04-18, 08:47

OSH Offline

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Rank: Member
Posts: 253
Joined: 2007-10-28, 23:34

Ok. I can't go further. Compiled QEMU, installed Win98SE. after start I see this:

D:\msys64\home\Admin\qemu\build\qemu-system-i386: WHPX: Failed to emulate MMIO access with EmulatorReturnStatus: 2
D:\msys64\home\Admin\qemu\qemu-system-i386: WHPX: Failed to exec a virtual processor

And exiting. What's going on? I have Intel i5 10400F, Windows 10 HP 10.0.19044
Windows Hypervisor Plattform is enabled, Intel Virtualization Technology in BIOS too.
I tried with kernel-irqchip=off, but it didn't help. Without WHPX start without problems.

And one remark for moderators. This problem isn't related to QEMU with 3dfx glide emulation by kjliew, but for vanilla QEMU.

Reply 1 of 2, by EriolGaurhoth

Posted on 2023-08-22, 19:05

EriolGaurhoth Offline

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Rank: Newbie
Posts: 19
Joined: 2023-01-17, 23:10

I've been having the same issue, and I think it's a bug with Windows Hypervisor, not with QEMU. If/until Microsoft patches it, I'm not sure if QEMU is even going to work in Windows anymore, at least not for old Windows installs.

Reply 2 of 2, by sysjunkie

Posted on 2023-11-27, 10:44

sysjunkie Offline

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Rank: Newbie
Posts: 17
Joined: 2020-02-15, 11:26

Yup, Qemu with WHPX still works about as well as a dumbster fire, just putting it out there. 🤣
I'v tried
Win3.11 - starts out at 0.01 fps and promptly freezes
Win9x - does not boot due to internal error on WHPX's part
WinXP - sort of works , but freezes/unfreezes sporadically and eventually freezes completely

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First post, by OSH

Reply 1 of 2, by EriolGaurhoth

Reply 2 of 2, by sysjunkie