Timo Johansson wrote:

> Hi Sybren, thanks for your reply!
>
> Sybren Stuvel schrieb:
>> Timo Johansson enlightened us with:
>>
>>>Did I miss to include anything into the kernel? (UHCI is already is
>>>included) Did I miss anything else?
>>
>>
>> Perhaps you missed usb-storage and SCSI disk support?
>
> No, these are included...!

Have you tried building an initrd with those drivers in it, just in case?