The following was filed automatically by anaconda:
anaconda 15.18 exception report
Traceback (most recent call first):
  File "/usr/lib64/python2.7/posixpath.py", line 112, in basename
    i = p.rfind('/') + 1
  File "/usr/lib64/python2.7/site-packages/pyanaconda/iutil.py", line 794, in get_sysfs_path_by_name
    dev_name = os.path.basename(dev_name)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/formats/__init__.py", line 407, in majorminor
    sysfs_path = get_sysfs_path_by_name(device)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/formats/lvmpv.py", line 153, in writeKS
    f.write("pv.%s" % self.majorminor)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/devices.py", line 1174, in writeKS
    self.format.writeKS(f)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/storage/__init__.py", line 1185, in writeKS
    device.writeKS(f, preexisting=preexisting, noformat=noformat)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/__init__.py", line 379, in writeKS
    self.storage.writeKS(f)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/packages.py", line 67, in writeKSConfiguration
    anaconda.writeKS(fn)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/dispatch.py", line 211, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/dispatch.py", line 130, in gotoNext
    self.moveStep()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/gui.py", line 1265, in nextClicked
    self.anaconda.dispatch.gotoNext()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/iw/progress_gui.py", line 79, in renderCallback
    self.intf.icw.nextClicked()
  File "/usr/lib64/python2.7/site-packages/pyanaconda/gui.py", line 1286, in handleRenderCallback
    self.currentWindow.renderCallback()
AttributeError: 'NoneType' object has no attribute 'rfind'