Can't boot Lucid after upgrade from Karmic

[Tony Pursell]

On 27 May 2010 at 16:10, Tony Pursell wrote:

> 
> On 27 May 2010 at 22:40, Goh Lip wrote:
> 
> > 
> > On Thu, 27 May 2010 14:34:38 +0100
> > "Tony Pursell" <ajp at princeswalk.fsnet.co.uk> wrote:
> > 
> > > On 27 May 2010 at 10:51, Goh Lip wrote:
> > 
> > > > On 05/27/2010 04:45 AM, Tony Pursell wrote:
> > 
> > > > Tony, are you using RAID?
> > > No, but there were messages about raid in the 9.10 logs (I don't get 
> > > any logs from the failed 10.04 boot)
> > 
> > Firstly, noticed you replied directly to my email without cc the ubuntu
> > list. Do you wish to take this off-list and what are your reasons for
> > it?  I prefer on-list response because I may give wrong instructions
> > and others may correct me. But if there are good reasons for off-list
> > communications, I am willing to consider.
> 
> Sorry, that was a mistake.  I always intend to reply on-list only.
> 
> > 
> > Secondly, your system do appear 'funny' - can only boot to 
> > 2.6.27-11-generic kernel recovery mode - gives the impression lucid was
> > not really installed, or was installed wrongly. At this, I would
> > recommend you do a reinstallation, or if not possible, a fresh install.
> 
> I'm only using 2.6.27-11-generic (my only remaining Karmic kernel) 
> because none of the 3 Lucid kernels will boot.
> 
> > 
> > But I sense you are willing to try to have a go at giving every shot at
> > it and I would not mind working through with you on this. However, our
> > willingness alone may not be sufficient and you must be prepared to
> > throw in the towel at some point.
> 
> What I want to have a go it is finding out what is wrong so it can get 
> fixed in Ubuntu.  If I just re-install we may just lose all the evidence of 
> a nasty bug.
> 
> > 
> > As a start, please list the output from the grub prompt
> > grub> search -f /vmlinuz
> > grub> search -f /vmlinuz-2.6.32-21-generic
> > grub> search -f /boot/vmlinuz-2.6.32-21-generic
> > 
> > Where the above output gives some output, say, hd0,x,
> > please list the output of 
> > grub> ls (hd0,x)
> > 
> 
> I will do this and come back to you. 
> 

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.

Tony