Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35?

[Gleb Natapov]

On Thu, Aug 05, 2010 at 11:45:33AM +0300, Avi Kivity wrote:
>  On 08/05/2010 10:59 AM, Gleb Natapov wrote:
> >
> >>We have the firmware configuration interface for that, if we can
> >>tolerate its speed.
> >>
> >To pass default boot device, sure :) The question is what to pass so
> >that seabios will be able to unambiguously determine what device to
> >boot from.
> 
> IMO seabios should (if it doesn't already) store this information in
> CMOS non-volatile memory (which can be backed by a small disk
> image).  This allows the user to play with the configuration at boot
> time, and if we document the format, management tools can read and
> write it as well.
> 
The important part is to find the way to unambiguously pass default boot
device between seabios/qemu/management. Afterward we can do many things
with it. Pass it on command line, save it in external disk image etc.

--
                        Gleb.