Can't boot after kernel upgrade

[Ralf Mardorf]

Hi :)

I made a kernel upgrade from 2.6.32-24-preempt #39-Ubuntu to #4x-Ubuntu,
AFAIR it's 42.

It's nearly a default Ubuntu Studio without the needed kernel-rt,
because I wasn't able to get a kernel-rt that's bootable for Ubuntu
Studio on my machine.

There's just one relevant change, that wasn't a problem until now and
that doesn't seem to be the reason for the issue I've got now:
--- --- --- ---
suse11-2:/home/spinymouse11.2 #
cat /media/ubuntu_studio/usr/sbin/update-grub
#!/bin/sh -e
exec grub-mkconfig -o /boot/grub/grub.cfg_$(date +"%b-%d-%Y_%H-%M-%S")
"$@"
--- --- --- ---

I kept my manually edited menu entrie, the first one, while the second
one is the latest generated grub.cfg_$(date +"%b-%d-%Y_%H-%M-%S").

menuentry 'Ubuntu Studio 10.04, Kernel 2.6.32-24-preempt' --class ubuntu
--class gnu-linux --class gnu --class os {
	recordfail
	insmod ext2
	set root='(hd1,11)'
	search --no-floppy --fs-uuid --set 54b5bb8c-356a-4268-8592-e76aac7941a8
	linux	/boot/vmlinuz-2.6.32-24-preempt
root=UUID=54b5bb8c-356a-4268-8592-e76aac7941a8 ro   #quiet
	initrd	/boot/initrd.img-2.6.32-24-preempt
}

menuentry 'Ubuntu, with Linux 2.6.32-24-preempt' --class ubuntu --class
gnu-linux --class gnu --class os {
	recordfail
	insmod ext2
	set root='(hd1,11)'
	search --no-floppy --fs-uuid --set 54b5bb8c-356a-4268-8592-e76aac7941a8
	linux	/boot/vmlinuz-2.6.32-24-preempt
root=UUID=54b5bb8c-356a-4268-8592-e76aac7941a8 ro   quiet splash
	initrd	/boot/initrd.img-2.6.32-24-preempt
}

I can't boot, but get a message that

/dev/disk/by-uuid/54b5bb8c-356a-4268-8592-e76aac7941a8 does not exist

Is there something different for Ubuntu Studio compared to other Ubuntus
regarding to those kernel problems?

My all day Linux are Hardy (64 Studio 3.0 beta) and Karmic (64 Studio
3.3 alpha) were self compiled kernel-rt and 64 Studio kernel-rt are ok.

Obviously /dev/disk/by-uuid/54b5bb8c-356a-4268-8592-e76aac7941a8 still
does exist and is readable ;).

I tried to go on with fixing some issues and building mudita24, but get
an additional issue :S.

Any help is welcome.

Cheers!

Ralf