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| author | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:07 +0200 |
|---|---|---|
| committer | Christian Krinitsin <mail@krinitsin.com> | 2025-05-30 16:52:17 +0200 |
| commit | 9260319e7411ff8281700a532caa436f40120ec4 (patch) | |
| tree | 2f6bfe5f3458dd49d328d3a9eb508595450adec0 /gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402 | |
| parent | 225caa38269323af1bfc2daadff5ec8bd930747f (diff) | |
| download | qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.tar.gz qemu-analysis-9260319e7411ff8281700a532caa436f40120ec4.zip | |
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Diffstat (limited to 'gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402')
| -rw-r--r-- | gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402 | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402 b/gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402 new file mode 100644 index 000000000..98c7068c6 --- /dev/null +++ b/gitlab/issues_text/target_missing/host_missing/accel_WHPX/2402 @@ -0,0 +1,24 @@ +WHPX accelerator run with edk2 EFI fails to process the reboot signal from guest OS +Description of problem: +Qemu freezes any time WHPX-accelerated guest Windows 11 sends a reboot signal to Qemu while running on edk2 EFI. At rare cases, Qemu errors out with `qemu: WHPX: Unexpected VP exit code 4` +Steps to reproduce: +1. Grab Windows 11 23H2 ISO from https://www.microsoft.com/en-Us/software-download/windows11 using either Media Creation Tool or directly and save it under C:\\windows11_23H2.iso +2. Download QEMU 9.0 from https://qemu.weilnetz.de/w64/qemu-w64-setup-20240423.exe and install it into C:\\Program Files\\qemu +3. Make one merged EFI file from two ones bundled in QEMU 9.0 (merged EFI is the only working option for edk2 EFI on windows host): `cd /d C:\Program Files\qemu\share` + +`copy /B edk2-i386-vars.fd + edk2-x86_64-code.fd edk2-x86_64.fd` + +4. Run this command: + +`qemu-system-x86_64.exe -accel whpx -bios share\edk2-x86_64.fd -cpu Westmere,aes=on,avx=on,sse4.1=on,sse4.2=on,ssse3=on,x2apic=on,xsave=on -machine q35 -m 4096 -cdrom C:\windows11_23H2.iso` + +5. Press any key once you see "Press any key to boot from CD..." and wait until Windows Setup suggests to opt for language and currency. +6. Click red "X" close button inside Windows Setup and confirm your choice when Windows Setup asks you to. + +Windows Setup sends a reboot signal to the underlying hardware and Qemu freezes. +Additional information: +If `-bios share\edk2-x86_64.fd` switch is omitted, this command works ok: + +`qemu-system-x86_64 -accel whpx -cpu Westmere,aes=on,avx=on,sse4.1=on,sse4.2=on,ssse3=on,x2apic=on,xsave=on -machine q35 -m 4096 -cdrom D:\originalWindows11_23H2.iso` + +This bug seems to be closely related to this one: https://gitlab.com/qemu-project/qemu/-/issues/2042 - Not able to reboot Linux guest on Windows host |