Re: a FAQ that probably isn't that trivial to answer ...

From: willem <wli222@casema.nl>
To: The development of GRUB 2 <grub-devel@gnu.org>
Subject: Re: a FAQ that probably isn't that trivial to answer ...
Date: Tue, 02 Oct 2007 11:50:15 +0200	[thread overview]
Message-ID: <47021457.7030909@casema.nl> (raw)
In-Reply-To: <1191279802.3351.30.camel@athene.bestsolution.at>

Udo Rader wrote:
> Hi,
>
> for various reasons I decided to give grub2 a try and now I am caught in
> the "my system doesn't boot" trap.
>
> The problem is probably a bit more complex then it seems at first hand,
> because my system doesn't even start into grub at all but "freezes"
> somewhere between hard disk detection and starting up grub. Absolutely
> no message is displayed after the POST is complete.
>
> The only chance I can currently somewhat revive my system is by
> unplugging the hard drive before powering up the system, inserting some
> kind of boot CD (in my case a debian etch installation CD), plug in the
> hard drive and then boot into rescue mode.
>
> In rescue mode I see the the hard drive itself (and the data on it) is
> completely OK and so after many hours of trying I am completely lost ...
>
> Things were working absolutely OK before I tried to install grub2. Yet
> now, reinstalling whatever bootloader does not bring my system back into
> normal booting again. So far I have tried to reinstall grub legacy and
> even lilo, but all without success.
>
> grub-install/update-grub gives this:
>
> ------CUT------
> % grub-install --recheck /dev/sda
> Installation finished. No error reported.
> This is the contents of the device map /boot/grub/device.map
> Check if this is correct or not. If any of the lines is incorrect,
> fix it and re-run the script `grub-install'.
>
> (hd0)	/dev/sda
> %
> % update-grub
> Searching for GRUB installation directory ... found: /boot/grub
> Testing for an existing GRUB grub.cfg file ...
> found: /boot/grub/grub.cfg
> Searching for splash image ... found: /boot/grub/splash.xpm.gz
> Found kernel: /vmlinuz-2.6.22-12-generic
> Found kernel: /memtest86+.bin
> Updating /boot/grub/grub.cfg ... done
> ------CUT------
>
> The hints on http://grub.enbug.org/GettingStarted also did not bring me
> anywhere, so any ideas are greatly appreciated ...
>
> If my box hadn't worked without problems before, I would consider a
> firmware issue, but I can hardly believe that to be the case ...
>   
So it wise to save the MBR with dd before trying GRUB 2 .

regards

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