Description of problem:
Start of the installation on current Rawhide with newest anaconda from updates image.

Version-Release number of selected component:
anaconda-32.2

The following was filed automatically by anaconda:
anaconda 32.2 exception report
Traceback (most recent call first):
  File "/usr/lib64/python3.8/site-packages/gi/overrides/BlockDev.py", line 993, in wrapped
    raise transform[1](msg)
  File "/usr/lib/python3.8/site-packages/blivet/devices/lvm.py", line 2073, in _create
    blockdev.lvm.lvcreate(self.vg.name, self._name, self.size,
  File "/usr/lib/python3.8/site-packages/blivet/devices/lvm.py", line 1911, in decorated
    return meth(self, *args, **kwargs)  # pylint: disable=not-callable
  File "/usr/lib/python3.8/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.8/site-packages/blivet/devices/storage.py", line 453, in create
    self._create()
  File "/usr/lib/python3.8/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.8/site-packages/blivet/deviceaction.py", line 333, in execute
    self.device.create()
  File "/usr/lib/python3.8/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/usr/lib/python3.8/site-packages/blivet/actionlist.py", line 327, in process
    action.execute(callbacks)
  File "/usr/lib/python3.8/site-packages/blivet/actionlist.py", line 48, in wrapped_func
    return func(obj, *args, **kwargs)
  File "/usr/lib/python3.8/site-packages/blivet/blivet.py", line 106, in do_it
    self.devicetree.actions.process(callbacks=callbacks, devices=self.devices)
  File "/usr/lib/python3.8/site-packages/blivet/threads.py", line 53, in run_with_lock
    return m(*args, **kwargs)
  File "/tmp/updates/pyanaconda/storage/installation.py", line 50, in turn_on_filesystems
    storage.do_it(callbacks)
  File "/tmp/updates/pyanaconda/installation_tasks.py", line 450, in run_task
    self._task(*self._task_args, **self._task_kwargs)
  File "/tmp/updates/pyanaconda/installation_tasks.py", line 484, in start
    self.run_task()
  File "/tmp/updates/pyanaconda/installation_tasks.py", line 305, in start
    item.start()
  File "/tmp/updates/pyanaconda/installation_tasks.py", line 305, in start
    item.start()
  File "/tmp/updates/pyanaconda/installation_tasks.py", line 305, in start
    item.start()
  File "/tmp/updates/pyanaconda/installation.py", line 394, in run_installation
    queue.start()
  File "/usr/lib64/python3.8/threading.py", line 870, in run
    self._target(*self._args, **self._kwargs)
  File "/tmp/updates/pyanaconda/threading.py", line 280, in run
    threading.Thread.run(self)
gi.overrides.BlockDev.LVMError: Failed to call the 'LvCreate' method on the '/com/redhat/lvmdbus1/Vg/1' object: GDBus.Error:org.freedesktop.DBus.Python.dbus.exceptions.DBusException: ('com.redhat.lvmdbus1.Vg', 'Exit code 3, stderr =   Size requires number argument.\n  Invalid argument for --size: dbus.UInt64(18245222400)B\n  Error during parsing of command line.\n')

Additional info:
addons:         com_redhat_kdump
blivet-gui-utils.log: 
cmdline:        /usr/bin/python3  /sbin/anaconda
cmdline_file:   initrd=/test/rawhide/initrd.img inst.repo=ftp://cobra02/rawhide/ nokill inst.sshd resolution=1024x768 updates=http://cobra02/ks/jk/master_updates.img  BOOT_IMAGE=/test/rawhide/vmlinuz 
dnf.librepo.log: 
executable:     /sbin/anaconda
hashmarkername: anaconda
hawkey.log:     INFO srp-27 11:13:01 === Started libdnf-0.35.3 ===
kernel:         5.3.0-0.rc5.git2.1.fc32.x86_64
product:        Fedora
release:        Fedora release 32 (Rawhide)
release_type:   pre-release
type:           anaconda
version:        rawhide