Can't boot Lucid after upgrade from Karmic
Tony Pursell
ajp at princeswalk.fsnet.co.uk
Thu May 27 17:35:58 UTC 2010
On 28 May 2010 at 1:28, Goh Lip wrote:
>
> On 05/28/2010 12:56 AM, Tony Pursell wrote:
> > On 28 May 2010 at 0:43, Goh Lip wrote:
> >>
> >> On 05/27/2010 11:49 PM, Tony Pursell wrote:
> >>
> >>>
> >>> I tried the grub commands, but they failed. Are the GRUB2
> >>> commands? I have the old Grub which doesn't show a 'search'
> >>> command in its list of available commands.
> >>
> >> Oh, you're right. It's grub-legacy then and the 'find' function is not
> >> so refined, just finding the 'stage1' for booting. I now assume the
> >> following and change if necessary..
> >>
> >> o you have the (lucid) 2.6.32-21-generic installed.
> >> o you have a separate /boot partition and you know what it is (hd0,x)
> >> -note and reminder that (hd0,x) is sda(x+1)
> >> -reminder I am talking about /boot, not '/'
> >
> > /boot is not a separate partition. It is just a directory in root.
> >
> >>
> >>
> >> At grub (legacy) prompt, please type
> >> root (hd0,x)
> >> kernel /vmlinuz-2.6.32-21-generic root=/dev/sda(x+1) ro single
> >> initrd /initrd.img-2.6.32-21-generic
> >> boot
> >>
> >> As an example, if your /boot is sda8, type the following....
> >> root (hd0,7)
> >> kernel /vmlinuz-2.6.32-21-generic root=/dev/sda8 ro single
> >> initrd /initrd.img-2.6.32-21-generic
> >> boot
> >>
> >
> > Do I do these after booting to a CLI using the Karmic Kernel?
> >
> >
> >>
> >> (I have to continue this as we need to do this if successful..)
> >> If sucessfully booted up, you will go to the recovery mode at *lucid*
> >> choose root shell with networking
> >> then type....
> >> apt-get install --reinstall ubuntu-desktop {if kubuntu, use kubuntu}
> >> apt-get -f install
> >> dpkg --configure -a
> >> apt-get update
> >> apt-get upgrade
> >> reboot
> >>
>
>
> >>
>
> >> Do you think it's okay to install the linux
> >> kernel/image2.6.32-22-generic at this point? And install the grub-pc later?
> >>
> >
> > This is on of the 3 Lucid kernels I have installed.
> >
>
> Good info here, Tony.
>
> *If* it is successful and at the recovery mode of any of the lucid
> kernels, say 2.6.32-21 or 2.6.32-22, the commands do not give unusual or
> error feedback.
>
> Then reboot again but without the 'single' , as an example...
>
> root (hd0,7)
> kernel /vmlinuz-2.6.32-21-generic root=/dev/sda8 ro
> initrd /initrd.img-2.6.32-21-generic
> boot
>
>
> note: the kernel line, remove the 'single' (you can try
> vmlinuz-2.6.32-22) - should work then.
>
> Then you should be able to boot to the lucid properly using (manual)
> grub-legacy commands. Since lucid uses grub2 instead, you should install
> grub2 by "sudo apt-get install grub-pc" , (there have been some changes
> and if this command doesn't work, use "sudo apt-get install grub2")
>
> Proceed to full installation of grub2 by following the instructions
> carefully, there is a need to issue a command, (memory a bit rusty..I
> think it's convert to something...besides chainload from legacy). Please
> make sure you do the "convert something" command.
>
> Then we're home.
>
Thanks for all your help, Goh Lip, but none of it worked. There would
seem to be something much more fundamental at work here. I think I
will have to re-install and maybe use Grub2.
Tony
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