[Qemu-devel] Re: Problem with DOS application and 286 DOS Extender application

[Jamie Lokier]

Jan Kiszka wrote:
> In some scenarios, we use QEMU in emulation mode for such a legacy guest
> (16-bit protected mode), but we mostly run it in KVM mode these days. It
> works fairly well under QEMU, but also we did not explore all corner cases.

I'm glad too see it's alive and well then :-)

> > Or it may be the "reset using keyboard controller and BIOS" method
> > used to switch from protected mode to real mode on a 286 is not
> > implemented properly, or is not supported by the BIOS properly.

I mentioned that because of a discussion just a few months ago about a
BIOS change which might have affected those transitions.

Plus the default BIOS recently got changed from Bochs BIOS to SeaBIOS.

-- Jamie