kernel hang while setting up linux-image-2.6.15-28-server

[Matthew Flaschen]

Sébastien Barthélemy wrote:
> Hello again,
> 
> I'm sorry to insist, but this server is quite important to me.

Maybe you should get paid support (http://www.ubuntu.com/support/paid)?

>> After that,  I don't understand why, but none of the grub entries
>> (2.6.15-26, 27 and 28) succeeded to boot, even in recovery mode.

Remove quiet and splash from the grub entries, then try booting again.
What do they print before failing?

>> I found nothing relevent in the logs, but maybe I'm looking at the bad
>> place.

Did you try dmesg ?

Matt Flaschen