Re: [Qemu-devel] Problem with `change' monitor command

[Robert Riebisch]

Jamie Lokier wrote:

> > With `change floppy0 foo.img' I'm able to use another floppy image on
> > the fly, but this will only work, if the new floppy image is of the same
> > size as the old one. Switching from, e.g., 1.44M to 2.88M is not
> > recognized by the guest OS. Even rebooting the VM doesn't help, because
> > CMOS value 0x10 ("Floppy Drive Type") won't be adjusted.
> > (http://www.brl.ntt.co.jp/people/takehiko/interrupt/CMOS.LST.txt)
> 
> I agree that CMOS should be adjusted, but only on the next reboot.

That would be OK for me. I've already looked at the source code, but
it's far beyond my limited knowledge. So I hope someone else will
provide a proper patch.

> Changing floppy _drive_ type is not possible until the next reboot,
> and it might confuse the OS to try it: you can't replace a floppy
> drive on a real PC while the OS is running either.

You can, but only an USB FDD. ;-)

Robert Riebisch
-- 
BTTR Software
http://www.bttr-software.de/