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/devicelibs/lvm.py", line 447, in lvdeactivate
    raise LVMError("lvdeactivate failed for %s: %s" % (lv_name, msg))
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 2688, in _teardown
    lvm.lvdeactivate(self.vg.name, self._name)
  File "/usr/lib/python2.7/site-packages/blivet/devices.py", line 759, in teardown
    self._teardown(recursive=recursive)
  File "/usr/lib/python2.7/site-packages/blivet/deviceaction.py", line 317, in __init__
    device.teardown()
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 1220, in destroyDevice
    action = ActionDestroyDevice(device)
  File "/usr/lib/python2.7/site-packages/blivet/__init__.py", line 759, in recursiveRemove
    self.destroyDevice(leaf)
  File "/usr/lib64/python2.7/site-packages/pyanaconda/ui/gui/spokes/lib/resize.py", line 397, in _scheduleActions
    self.storage.recursiveRemove(device)
LVMError: lvdeactivate failed for root: running lvm lvchange -a n fedora/root failed

Additional info:
cmdline:        /usr/bin/python  /sbin/anaconda --liveinst --method=livecd:///dev/mapper/live-base
cmdline_file:   BOOT_IMAGE=/isolinux/vmlinuz0 root=live:LABEL=Fedora-Live-Desktop-x86_64-20-1 ro rd.live.image quiet rhgb rd.live.check
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         3.11.10-301.fc20.x86_64
other involved packages: python-blivet-0.23.9-1.fc20.noarch
product:        Fedora
release:        Fedora release 20 (Heisenbug)
type:           anaconda
version:        20