Tried the patch. Start up time does not appear to be improved. I used both qemu-system-i386 and qemu-system-x86_64 with the same results. To compare notes I tried Windows 7. It starts up much faster than Windows XP.
-- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1913505 Title: Windows XP slow on Apple M1 Status in QEMU: New Bug description: Qemu installed by using brew install qemu -s on M1 QEMU emulator version 5.2.0 XP image from: https://archive.org/details/WinXPProSP3x86 Commands run: $ qemu-img create -f qcow2 xpsp3.img 10G $ qemu-system-i386 -m 512 -hda xpsp3.img -cdrom WinXPProSP3x86/en_windows_xp_professional_with_service_pack_3_x86_cd_vl_x14-73974.iso -boot d It's taken 3 days now with qemu running at around 94% CPU and installation hasn't finished. The mouse pointer moves and occasionally changes between the pointer and hourglass so it doesn't seem to have frozen. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1913505/+subscriptions