Bug#423648: grub-pc: md/lvm path check in getroot.c breaks booting

[Robert Millan]

On Sun, May 13, 2007 at 08:32:58PM +0100, Sam Morris wrote:
> > Can you try arranging this code to include the missing "/dev/" and report if
> > everything still works?
> 
> Now this is more interesting. I no longer have the broken menu that I
> mentioned in the other bug report! However, when I actually select one
> of the entries, I get 'error: you need to load the kernel first'.
> 
> This seems to be caused by 'root' not being set in grub.cfg any more. Or
> rather, it's set to an empty string. Looking closely at update-grub, I
> guess changing grub_guess_root_device broke other parts of grub-probe:
> 
>         + echo 'Updating /boot/grub/grub.cfg ...'
>         Updating /boot/grub/grub.cfg ...
>         + cat
>         ++ grub-probe --target=device /boot/grub
>         + export GRUB_DEVICE=/dev/md0
>         + GRUB_DEVICE=/dev/md0
>         ++ grub-probe --target=drive /boot/grub
>         cannot find a GRUB drive for /dev/md0.

Check your device.map.  If it's broken, check if your newly modified
grub-mkdevicemap generates the right thing.

-- 
Robert Millan

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