Re: [Qemu-devel] feature request: changing boot device in the monitor

["Daniel P. Berrange" <berrange@redhat.com>]

On Mon, Dec 03, 2007 at 01:34:16PM +0000, Gildas wrote:
> Hi,
> 
> I don't know whether this is an easy one or not and if it will apply
> to all archs, but I'd like to see an option in the monitor to
> change/override the value given for -boot.
> 
> This way, for instance if you install a VM from a CDROM using "-boot
> d", you would be able to restart it on the hard-drive from the monitor
> with something like "boot c" followed by "system_reset".
> 
> I know there is still the workaround of stopping the emulation and
> restarting it with a different set of commands, but when remotely
> accessing a VM with a lots of redirection/connection, it's not very
> handy.
> 
> Of course there is also an orthogonal way of doing this consisting in
> adding a boot menu to the BIOS. Implementing both ways would of course
> be nice, but the monitor solution would have my preference :)

There's a patch for this floating around.

http://www.mail-archive.com/kvm-devel@lists.sourceforge.net/msg06675.html

We use it in KVM / Xen on Fedora. Not sure offhand if Bochs project ever
accepted the patch in their upstream for the BIOS.

Dan.
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