K3B burns DVD's, that includes dual layer DVD's. It doesn't hide anything. It is a simple concept, it will burn a DVD whther it is a 8.5 gig, or a 4.7gig.
DVD burn error See also http://linux-ata.org/faq.html#combined cdrom: This disc doesn't have any tracks I recognize! hda: DMA timeout retry hda: timeout waiting for DMA hda: status timeout: status=0xd0 { Busy } ide: failed opcode was: unknown