Re: Grub cannot find the disk after installation completes

[Chris Fisichella <chris@communityrenewables.com>]

Quoting Chris Fisichella <chris@communityrenewables.com>:

> Quoting Brian <ad44@cityscape.co.uk>:
>
> > On Sat 14 Feb 2015 at 15:54:26 +0000, Chris Fisichella wrote:
> >
> > > Quoting Pascal Hambourg <pascal@plouf.fr.eu.org>:
> > >
> > > Does grub start a rescue shell ? If yes, what is the output of "ls" and
> > > what does "set" display about prefix= and root= variables ?
> > >
> > > grub rescue>
> > > grub rescue> ls
> > >
> > > returns a single blank line.
> >
> > Which dowsn't look very healthy. GRUB doesn't see any disks.
> >
> > > help-grub@gnu.org is recommending:
> >
> > [Snip some quoted text]
> >
> > > May Debian has some specific instructions how to recover bootloader in
> > > which case you better ask them. Also above will make grub2 primary
> > > bootloader; if you dual-boot you may want to install grub on partition."
> >
> > I'd use a Debian netinst image in rescue mode and reinstall GRUB to the
> >  
>
> We're thinking along the same lines. I tried the DVD rescue mode to
> reinstall GRUB. I did not think to use the netinst image. I don't
> know what difference that would make, however. Anyway, it did not
> help.
>
> I found the grub-install program the help-grub mailing list
> suggested. They also suggested to stay close to the distribution, so
> I'll let you all know what I did if I get this install to work.
>
> I'm going to boot with the first DVD and go to rescue mode. I have
> successfully mounted the disk. I can see all the files. I just don't
> know why Grub can't see them. The install disk can see them, too,
> obviously, because it installed the files. I think this is a grub
> config issue. Just a guess, though. I wish I could get a little
> farther along in the boot sequence so I could look at the dmesg
> output.
>
> Thanks, Brian.
>
> Chris
Using the BIOS to emulate Native Mode IDE is making the machine behave
better. I at least reached a
grub>
prompt. So, I think it found the disk. Finally. :) I'm going to do a
fresh install set things up the way I normally do and I'll post later
if it is successful.