fdisk: unable to get correct path for /: Inappropriate file type or format

hi there,

i'm gettings

fdisk: unable to get correct path for /: Inappropriate file type or format

under

FreeBSD otaku 9.0-CURRENT FreeBSD 9.0-CURRENT #0 r198677: Fri Oct 30 18:27:50
CET 2009     root_at_otaku:/usr/obj/usr/src/sys/ARUNDEL  i386

`mount`:
/dev/label/rootfs on / (ufs, local, noatime, soft-updates)
devfs on /dev (devfs, local)
/dev/label/usr on /usr (ufs, local, noatime, soft-updates)
procfs on /proc (procfs, local)
linprocfs on /usr/compat/linux/proc (linprocfs, local)
linsysfs on /usr/compat/linux/sys (linsysfs, local)
devfs on /usr/compat/linux/dev (devfs, local)
linprocfs on /usr/local/gentoo-stage3/proc (linprocfs, local)
linsysfs on /usr/local/gentoo-stage3/sys (linsysfs, local)
devfs on /usr/local/gentoo-stage3/dev (devfs, local)
/dev/md0 on /tmp (ufs, local)

`mount -p`:
/dev/label/rootfs       /                       ufs     noatime         1 1
devfs                   /dev                    devfs   rw              0 0
/dev/label/usr          /usr                    ufs     noatime         1 1
procfs                  /proc                   procfs  rw              0 0
linprocfs               /usr/compat/linux/proc  linprocfs       rw
0 0
linsysfs                /usr/compat/linux/sys   linsysfs        rw
0 0
devfs                   /usr/compat/linux/dev   devfs   rw              0 0
linprocfs               /usr/local/gentoo-stage3/proc linprocfs rw
0 0
linsysfs                /usr/local/gentoo-stage3/sys linsysfs   rw
0 0
devfs                   /usr/local/gentoo-stage3/dev devfs      rw
0 0
/dev/md0                /tmp                    ufs     rw              0 0

`gpart list`:
Geom name: ad0
fwheads: 16
fwsectors: 63
last: 321672926
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ad0p1
   Mediasize: 65536 (64K)
   Sectorsize: 512
   Mode: r0w0e0
   rawtype: 83bd6b9d-7f41-11dc-be0b-001560b84f0f
   label: boot
   length: 65536
   offset: 17408
   type: freebsd-boot
   index: 1
   end: 161
   start: 34
2. Name: ad0p2
   Mediasize: 164696455680 (153G)
   Sectorsize: 512
   Mode: r1w1e2
   rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
   label: rootfs
   length: 164696455680
   offset: 82944
   type: freebsd-ufs
   index: 2
   end: 321672926
   start: 162
Consumers:
1. Name: ad0
   Mediasize: 164696555520 (153G)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada0
fwheads: 16
fwsectors: 63
last: 488395021
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada0p1
   Mediasize: 10737400832 (10G)
   Sectorsize: 512
   Mode: r1w1e1
   rawtype: 516e7cb5-6ecf-11d6-8ff8-00022d09712b
   label: swap
   length: 10737400832
   offset: 17408
   type: freebsd-swap
   index: 1
   end: 20971519
   start: 34
2. Name: ada0p2
   Mediasize: 239320833024 (223G)
   Sectorsize: 512
   Mode: r1w1e2
   rawtype: 516e7cb6-6ecf-11d6-8ff8-00022d09712b
   label: usr
   length: 239320833024
   offset: 10737418240
   type: freebsd-ufs
   index: 2
   end: 488395021
   start: 20971520
Consumers:
1. Name: ada0
   Mediasize: 250058268160 (233G)
   Sectorsize: 512
   Mode: r2w2e5

cheers.
alex