Re: Boot from 2.6.26-2-686 fails - unable to find root device

[Juha Tuuna <juha.tuuna@iki.fi>]

Bruce Ward wrote:
> I have a problem with the new linux-image (2.6.26-2-686) provided as an
> update to Lenny. I have no problem with booting from the old image
> (2.6.26-1-686).
> 
> The boot fails with messages:
>    Gave up waiting for root device.
>    ALERT! /dev/disk/by-label/D5root does not exist.
>           Dropping to a shell!
> 
> At that stage there is no /dev/disk directory (let alone a by-label
> subdir!)
> 
> I use labels for my partitions because I have a mix of SATA and SCSI
> disks and Etch and Lenny find them in different order! I have exactly
> equivalent GRUB stanzas for both kernels; 2.6.26-1-686 has no problem.
> 
> Any ideas would be appreciated.
> 
> Bruce

Try editing /boot/grub/menu.lst

You'll have entries like this:

title           Debian GNU/Linux, kernel 2.6.26-2-amd64
root            (hd0,0)
kernel          /boot/vmlinuz-2.6.26-2-amd64 root=/dev/sda1 ro vga=ask
initrd          /boot/initrd.img-2.6.26-2-amd64

Look at the working 2.6.26-1 entry and then match the root= in 2.6.26-2 entry
accordingly. That should be it.

-- 
Juha Tuuna