Egbert,

If you are getting the grub prompt, then either your menu.lst file is
munged or it can't read the kernel that it's pointing at.  I would first
make sure the partition holding the kernel is readable and that the
kernel is in the right place.  Next I would verify that the grub boot
parameters are correct.  You can verify and/or edit your boot parameters
at startup time by pressing the esc key at the grub menu prompt then
pressing e to edit the entry.  Verify that the parameters you see there
are the ones you are expecting or edit accordingly.  Try to verify that
the cf is really hda on the soekris and not hdb etc...

Cheers,
Robert.

Egbert Jan wrote:
> Hi,
> 
> I've lost my Vyatta router (Soekris4801, VC2.1 with community/testing
> updates) after upgradiing to VC 2.2. The Soekis was configured for
> communitiy/testing and all recent updating went fine. Now 'testing' was
> recently promoted to 'main' I decided to go back to 'main' and get in step
> with the VC2.2 release.
> 
> Procedure:
> 
> I've changed the repositry from 'testing' back to 'main' (via web interface)
> and logged in as root to do the apt-get etc. (followed the latest
> corrections from the list). After a while I got the question to delete a
> list of 'old' packages. I answered 'yes' and found out that I ended up with
> a clean /boot. That was certainly not what I wanted to achieve... Has it to
> do with the fact that I had been running on 'testing' for a while and
> changed back to 'main'? Should I answer 'No' when promped to delete 'old'
> packages in my case?
> 
> Trying to recover from this, I downloaded the VC2.2 CD, booted my laptop
> with it and connected the 12 Gb drive from the Soekris via a USB to IDE
> adapter to my laptop. I was able to do a system-install to the drive. Via
> USB the drive is recognized as sda. I realized that I would have to do a
> manual edit to /boot/grub/menu.lst to change references to 'sd' into 'hd',
> which I did. I placed the drive back in the Soekris. Unfortunately it still
> does not boot into the kernel. It does load grub (I get a 'grub>' prompt)
> but there it stops. Is there more to do to change from 'sd' to 'hd' than
> just edit menu.lst????
> 
> Thanks for any advise!
> 
> Egbert Jan
>  
> 
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