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Date:	Sun, 29 Jul 2007 12:37:06 +0200
From:	Borislav Petkov <bbpetkov@...oo.de>
To:	Xudong Guan <xudong.guan@...il.com>
Cc:	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org,
	Chuck Ebbert <cebbert@...hat.com>
Subject: Re: 2.6.23-rc1: no setup signature found...

On Sun, Jul 29, 2007 at 10:24:02AM +0100, Xudong Guan wrote:
> Borislav Petkov wrote:
> > On Thu, Jul 26, 2007 at 09:31:54PM -0700, H. Peter Anvin wrote:
> > > If we can't reproduce the problem in simulation, that itself will tell
> > > us something very important.  If we *can* reproduce it in simulation, it
> > > will be vastly easier to debug.
> > 
> > [boris@...lum:10:34:25:qemu:9553)->  qemu -kernel /boot/2.6.22-4fd06960f120e02e9abc802a09f9511c400042a5-12 -append "root=/dev/hda" linux-0.2.img
> 
> You are using qemu itself as the kernel loader instead of your
> possible problematic grub on your harddisk. To duplicate the problem,
> you need to manually copy your grub and the kernel to linux-0.2.img
> and boot it with "qemu linux-0.2.img", although I am not sure
> exactly how to manually do this. Another way is to know your
> installation media that contains the copy of grub you are using,
> and use it to do an installation in qemu.

Right, this was too easy to be true. I now did:

qemu -hda /dev/hda -snapshot

and booted from the hd using the installed grub and the same kernel and it
_didn't_ boot showing again "no setup signature found... "

-- 
Regards/Gruß,
    Boris.
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