Grub related issues

[Patni]

Hello,

I was dual booting Win 2K and Gutsy and everything was working fine. However, for some reason, I had to reinstall Win 2K. No changes were made at all to the Linux partition. After the reinstall was complete, as expected, Windows destroyed my grub screen. Searching on the net, I found and used the following commands to restore grub:

find /boot/grub/stage1
root (hd0,1)

setup (hd0)

After doing this, I did get my original grub menu back. When I choose the Windows option, the system boots correctly. However when I select the Ubuntu option, grub returns an error :

Error 15: Could not find file

Can anyone point me how to get over this? I booted off the 7.10 Linux CD and mounted the Linux partition from the terminal, and I can verify that the files are still there. Here is my disk setup as reported by installer:

/dev/hda1 ntfs C:\windows partition
/dev/hda5 win32 D: partition for data
/dev/hda6 swap partition
/dev/hda3 ext3 /home partition
/dev/hda4 ext3 / with ubuntu files

The menu.lst file from /boot/grub shows

title 7.10 Ubuntu Linux
root(hd0, 2)
kernel /boot/vmlinuz-2.6.22-14-generic

title MS Windows
root(hd0, 0)

I can verify that the relevant /boot/vmlinuz file does exist on /dev/hda4

Any tips greatly appreciated. I dont want to reinstall Kubuntu unless absolutely necessary

[Snowhog]

Re: Grub related issues

HOW TO: GRUB Methods - Toolkit

[Qqmike]

Re: Grub related issues

Well, this is easy, except for one detail: Where in the world are your GRUB files!
I'm assuming you did not set up a separate, dedicated GRUB partition or /boot partition. That is, you just have Windows on the first partition sda1 = (hd0,0) and Kubuntu on some other partition.

Your "find" statement, suggests Kubuntu is on (hd0,1):
find /boot/grub/stage1
root (hd0,1)

Note (hd0,1) = hda2 (or sda2)

But that doesn't show up in what you posted here:
/dev/hda1 ntfs C:\windows partition
/dev/hda5 win32 D: partition for data
/dev/hda6 swap partition
/dev/hda3 ext3 /home partition
/dev/hda4 ext3 / with ubuntu files

And then you said this:

title 7.10 Ubuntu Linux
root(hd0, 2)
kernel /boot/vmlinuz-2.6.22-14-generic
(>>> BTW, you do also have an initrd statement here, right?)
(>>> BTW, root (hd0,2) should have a space after the word "root.")

which suggests Kubuntu is on hda3 = (hd0,2).

And then you said
"I can verify that the relevant /boot/vmlinuz file does exist on /dev/hda4"
which suggests (hd0,3).

If Kubuntu and the GRUB files are on (hd0,y),
and if you use the Live CD,
open K > System > Konsole. type
sudo grub,
then
grub> root (hd0,y)
grub> setup (hd0)
grub> quit

That should do it.

[Patni]

Re: Grub related issues

Thanks for the replies... I think I cleared this up. The grub men.lst file had the device incorrectly, I have the files on /dev/hda4 so it should be (hd0, 3), instead it was (hd0, 2). No idea why. Once I changed it , it started up.

Thanks again.