DragonflyBSD on QEMU booted right but can not install!

[Sergey Zigachev]

> I mean what QEMU options you have been used to boot QEMU with DragonflyBSD live ISO image?(Before installing the DragonflyBSD on your QCOW2 disk image)
I just append "-cdrom DragonFly-x86_64-LATEST-ISO.iso" and it works.

> Also, I think my problem is related to handling the legacy boot option by QEMU. Is there any *OVMF* file for DragonflyBSD that I can use and boot by UEFI? (Not legacy)
That I don't know, I didn't need to complicate things with OVMF because BIOS boot works fine for me on Linux.