On Sat, May 01, 2010 at 04:13:33PM +0300, Jukka Marin wrote: > # gpt show dk0 > gpt: unable to open device ': No such process > # dkctl dk0 listwedges > dkctl: dk0: listwedges: Inappropriate ioctl for device > # disklabel dk0 > disklabel: ioctl DIOCGDINFO: Inappropriate ioctl for device None of this operations make sense on dk. You add the GPT partition on the underlaying device, not on dk. Joerg