After applying the patch for bug 495075, I attempted to create an LVM-based partition layout, using the auto-partitioning 'Use Entire Drive' selection. However, lvcreate fails. The Anaconda traceback is:

Traceback (most recent call first):
  File "/tmp/updates/storage/devicelibs/lvm.py", line 357, in lvcreate
    raise LVMError("lvcreate failed for %s/%s" % (vg_name, lv_name))
  File "/tmp/updates/storage/devices.py", line 1998, in create 
    lvm.lvcreate(self.vg.name, self._name, self.size)
  File "/tmp/updates/storage/deviceaction.py", line 203, in execute
    self.device.create(intf=intf)
  File "/tmp/updates/storage/devicetree.py", line 658, in processActions
    action.execute(intf=self.intf)
  File "/tmp/updates/storage/__init__.py", line 229, in doIt
    self.devicetree.processActions()
  File "/usr/lib/anaconda/packages.py", line 115, in turnOnFilesystems
    anaconda.id.storage.doIt()
  File "/usr/lib/anaconda/dispatch.py", line 205, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 128, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1323, in nextClicked
    self.anaconda.dispatch.gotoNext()
LVMError: lvcreate failed for vg_elm3b55/lv_root

Anaconda log to follow.