Version-Release number of selected component:
anaconda-20.25.15-1.fc20.x86_64

The following was filed automatically by anaconda:
anaconda 20.25.15-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 273, in _addDevice
    raise DeviceTreeError("parent device not in tree")
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 825, in addUdevPartitionDevice
    self._addDevice(device)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1052, in addUdevDevice
    device = self.addUdevPartitionDevice(info)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1962, in _populate
    self.addUdevDevice(dev)
  File "/usr/lib/python2.7/site-packages/blivet/devicetree.py", line 1906, in populate
    self._populate()
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 416, in reset
    self.devicetree.populate(cleanupOnly=cleanupOnly)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 142, in storageInitialize
    storage.reset()
  File "/usr/lib64/python2.7/threading.py", line 764, in run
    self.__target(*self.__args, **self.__kwargs)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/threads.py", line 192, in run
    threading.Thread.run(self, *args, **kwargs)
DeviceTreeError: parent device not in tree

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda --liveinst --method=livecd:///dev/mapper/live-base
cmdline_file:   initrd=initrd0.img root=live:CDLABEL=Fedora-Live-Desktop-x86_64-20-1 rootfstype=auto ro rd.live.image quiet  rhgb rd.luks=0 rd.md=0 rd.dm=0  BOOT_IMAGE=vmlinuz0 
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.11.10-301.fc20.x86_64
other involved packages: python-blivet-0.23.9-1.fc20.noarch, python-libs-2.7.5-9.fc20.x86_64
product:        Fedora
release:        Fedora release 20 (Heisenbug)
type:           anaconda
version:        20