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Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2

From: Gleb Natapov
Subject: Re: [Qemu-devel] Anyone seeing huge slowdown launching qemu with Linux 2.6.35?
Date: Thu, 5 Aug 2010 10:59:50 +0300

On Thu, Aug 05, 2010 at 10:56:52AM +0300, Avi Kivity wrote:
>  On 08/05/2010 10:34 AM, Gleb Natapov wrote:
> >On Thu, Aug 05, 2010 at 09:28:57AM +0200, Gerd Hoffmann wrote:
> >>   Hi,
> >>
> >>>The option rom stuff has a number of short comings. Because we hijack
> >>>int19, extboot doesn't get to run. That means that if you use -kernel to
> >>>load a grub (the Ubuntu guys for their own absurd reasons) then grub
> >>>does not see extboot backed disks. The solution for them is the same,
> >>>generate a proper disk and boot from that disk.
> >>Oh, having extboot + linuxboot + multiboot register a BEV (correct
> >>acronym?) entry instead of hijacking int19 would fix that too.
> >>Additional bonus will be that they are selectable in the boot menu.
> >>
> >Good idea except that we are not good at communicating to seabios where
> >do we want to boot from by default.
> 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.


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