Re: qemu-kvm: Unsolicited boot from net

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On Thu, Nov 12, 2009 at 06:11:57PM -0200, Marcelo Tosatti wrote:
> On Thu, Nov 12, 2009 at 06:29:16PM +0100, Jan Kiszka wrote:
> > Marcelo Tosatti wrote:
> > > On Thu, Nov 12, 2009 at 01:29:37PM +0100, Jan Kiszka wrote:
> > >> Hi Marcelo,
> > >>
> > >> since merge 2fb0744e0d qemu-kvm always tries to boot from network first
> > >> when using default options. Upstream does not show this behavior.
> > > 
> > > Did you install the updated roms after this commit?
> > > 
> > > commit ec9f735638b6380361387fb49060f6712cb27602
> > > Author: Anthony Liguori <aliguori@xxxxxxxxxx>
> > > Date:   Fri Oct 30 16:44:26 2009 -0500
> > > 
> > >     Update gpxe roms to have BANNER_TIMEOUT=0
> > >     
> > >     Signed-off-by: Anthony Liguori <aliguori@xxxxxxxxxx>
> > 
> > I ran a complete & fresh mkbuilddir-configure-make-install cycle to
> > exclude this. Moreover, the above change is actually not related to
> > triggering the netboot but to wait for potential input of the user.
> 
> Right.
> 
> > Looking closer: It's actually still pcbios that is used by my
> > installation - shouldn't this be Seabios now?
> 
> My understanding is that Seabios should get more testing with qemu-kvm
> (other than the cpu hotplug debate). Gleb/Avi would know for sure.
> 
There a couple of problem found recently in seabios. They will be fixed.
I don't think we should wait with seabios switch in qemu-kvm.

> Now whether pcbios option rom supports gpxe properly i don't know, maybe
> that is the root cause for the problem (yes, qemu-kvm loads gpxe and
> attempts to boot from the network first, the above commit only removes
> the annoying multi-second delay).
> 
> CC'ing people with some clue.

--
			Gleb.
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