The following was filed automatically by anaconda:
anaconda None exception report
Traceback (most recent call first):
  File "/usr/lib/python2.6/site-packages/parted/disk.py", line 142, in duplicate
    return Disk(PedDisk=self.__disk.duplicate())
  File "/usr/lib/anaconda/storage/devices.py", line 717, in __init__
    self._origPartedDisk = self.partedDisk.duplicate()
  File "/usr/lib/anaconda/storage/devicetree.py", line 1087, in addUdevDiskDevice
    initcb=cb, initlabel=initlabel, **kwargs)
  File "/usr/lib/anaconda/storage/devicetree.py", line 1160, in addUdevDevice
    device = self.addUdevDiskDevice(info)
  File "/usr/lib/anaconda/storage/devicetree.py", line 1627, in populate
    self.addUdevDevice(dev)
  File "/usr/lib/anaconda/storage/__init__.py", line 288, in reset
    self.devicetree.populate()
  File "/usr/lib/anaconda/storage/__init__.py", line 72, in storageInitialize
    storage.reset()
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 128, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1330, in nextClicked
    self.anaconda.dispatch.gotoNext()
PartedException: Assertion (!disk->update_mode) at disk.c:421 in function ped_disk_destroy() failed.