[CentOS] Clone ATA to SATA HDD

>I try'd in different order. Disconnect the IDE drive, change only the
>bootorder etc. Nothing, everytime the same message. Grub can boot it,
>its running into kernel and one line before init is running kernel
>panics. Seems like the kernel could not find the root device, the swap
>is afaik not necessary to boot. Tomorrow i try to clone it with acronis
>and resize the partition to the new drive. We will see if this is possible.

Well, focusing on something more fundamental then, what's your mkinitrd command?
And what mobo are you using (model #).

jlc