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Bug#278462: Debian Installation Report: Kernel Panic

On Wednesday 27 October 2004 05:13, Thiago F.G. Albuquerque wrote:
> The installation went ok. The problem is that the kernel doesn't boot.
> The messages are:
>   Cannot open root device "hdb5" or 03:45
>   Please append a correct "root=" boot option
>   Kernel Panic: VFS: unable to mount root fs on 03:45
> The line I'm using to boot from GRUB is
>   kernel (hd1,4)/vmlinuz root=/dev/hdb5

Well, if you don't really know how to configure grub manually, you should 
let the installer set it up for you.

The correct config to boot Debian would be something like:
title           Debian Sarge (hdb5)
root            (hd1,4)
kernel          /boot/vmlinuz-2.6.8-1-686 root=/dev/hdb5 ro
initrd          /boot/initrd.img-2.6.8-1-686

This is assuming you did _not_ select your existing /boot partition during 
partitioning. If you did, the config should probably be something like:
title           Debian Sarge (hdb5)
root            (hd0,5)
kernel          /vmlinuz-2.6.8-1-686 root=/dev/hdb5 ro
initrd          /initrd.img-2.6.8-1-686

You will of course have to modify this for the correct kernel version and 

> Two suggestions:
> 1) It would be nice to have an option in which the installer does the
> partitioning (guided partitioning), but the user specifies the amount
> of space he/she wants to dedicate to Debian (currently, either the
> installer uses all the free space in the disk, or you have to partition
> yourself, manually).

Manual partitioning is perfectly adequate for the situation you describe.

> 2) About the intalation of GRUB: I had GRUB already installed. In this
> case, the installer is not very "polite". I had to abort the
> instalation of GRUB, the installer issued one or two warnings, and then
> I was taken back to the menu, without knowing if it was ok to skip the
> GRUB instalation or if the instalation had been compromised in any way.
> As it turned out it hadn't, but I got the feeling I was doing something
> wrong. That I might be screwing up somehow.

Using <go back> is not the same as aborting. If you don't want to install 
a bootloader, just use <go back> to get to the menu and select the option 
to 'continue without bootloader'.


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