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Date: Sun, 29 Jul 2007 12:37:06 +0200
From: Borislav Petkov <bbpetkov@yahoo.de>
To: Xudong Guan <xudong.guan@gmail.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, linux-kernel@vger.kernel.org,
       Chuck Ebbert <cebbert@redhat.com>
Subject: Re: 2.6.23-rc1: no setup signature found...
Message-ID: <20070729103706.GA16780@gollum.tnic>
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References: <20070724112618.GA4431@gollum.tnic> <20070726150854.GA7034@xguan-laptop> <46A8BB6C.6050903@zytor.com> <20070726163053.GA4570@gollum.tnic> <46A8E3F9.5070809@zytor.com> <20070727013615.GC4570@gollum.tnic> <46A9753A.1010206@zytor.com> <20070729085059.GA10758@gollum.tnic> <20070729092402.GA2272@xguan-laptop>
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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@gollum: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.