Description of problem:
Intaller, formatting using new tool, Reformat /boot & / keep exising /home. root and home on luks

Version-Release number of selected component:
anaconda-26.21.7-1

The following was filed automatically by anaconda:
anaconda 26.21.7-1 exception report
Traceback (most recent call first):
  File "/usr/lib/python3.6/site-packages/blivet/formats/luks.py", line 209, in _pre_setup
    raise LUKSError("luks device not configured")
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/formats/__init__.py", line 599, in setup
    if not self._pre_setup(**kwargs):
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 506, in setup_parents
    _format.setup()
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 363, in _pre_setup
    self.setup_parents(orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 374, in setup
    if not self._pre_setup(orig=orig):
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 498, in setup_parents
    parent.setup(orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 363, in _pre_setup
    self.setup_parents(orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/lvm.py", line 225, in _pre_setup
    return StorageDevice._pre_setup(self, orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 374, in setup
    if not self._pre_setup(orig=orig):
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/device.py", line 209, in setup_parents
    parent.setup(orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/lvm.py", line 1894, in setup_parents
    Device.setup_parents(self, orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 363, in _pre_setup
    self.setup_parents(orig=orig)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/lvm.py", line 868, in _pre_setup
    if not super(LVMLogicalVolumeBase, self)._pre_setup(orig=orig):
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/storage.py", line 374, in setup
    if not self._pre_setup(orig=orig):
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/devices/lvm.py", line 1898, in setup
    return DMDevice.setup(self, orig)
  File "/usr/lib/python3.6/site-packages/blivet/devices/lvm.py", line 1801, in decorated
    return meth(self, *args, **kwargs)  # pylint: disable=not-callable
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/deviceaction.py", line 695, in execute
    self.device.setup(orig=True)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/actionlist.py", line 325, in process
    action.execute(callbacks)
  File "/usr/lib/python3.6/site-packages/blivet/actionlist.py", line 48, in wrapped_func
    return func(obj, *args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/blivet.py", line 163, in do_it
    self.devicetree.actions.process(callbacks=callbacks, devices=self.devices)
  File "/usr/lib/python3.6/site-packages/blivet/threads.py", line 45, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.6/site-packages/blivet/osinstall.py", line 1112, in turn_on_filesystems
    storage.do_it(callbacks)
  File "/usr/lib64/python3.6/site-packages/pyanaconda/install_tasks.py", line 437, in run_task
    self._task(*self._task_args, **self._task_kwargs)
  File "/usr/lib64/python3.6/site-packages/pyanaconda/install_tasks.py", line 471, in start
    self.run_task()
  File "/usr/lib64/python3.6/site-packages/pyanaconda/install_tasks.py", line 303, in start
    item.start()
  File "/usr/lib64/python3.6/site-packages/pyanaconda/install_tasks.py", line 303, in start
    item.start()
  File "/usr/lib64/python3.6/site-packages/pyanaconda/install.py", line 356, in doInstall
    installation_queue.start()
  File "/usr/lib64/python3.6/threading.py", line 864, in run
    self._target(*self._args, **self._kwargs)
  File "/usr/lib64/python3.6/site-packages/pyanaconda/threads.py", line 251, in run
    threading.Thread.run(self, *args, **kwargs)
blivet.errors.LUKSError: luks device not configured

Additional info:
addons:         com_redhat_docker, com_redhat_kdump
cmdline:        /usr/libexec/system-python  /sbin/anaconda
executable:     /sbin/anaconda
hashmarkername: anaconda
kernel:         4.11.0-2.fc26.x86_64
product:        Fedora
release:        Cannot get release name.
type:           anaconda
version:        26