[root@esu1l028 ~]# system-config-lvm
Traceback (most recent call last):
  File "/usr/sbin/system-config-lvm", line 173, in ?
    runFullGUI()
  File "/usr/sbin/system-config-lvm", line 158, in runFullGUI
    blvm = baselvm(glade_xml, app)
  File "/usr/sbin/system-config-lvm", line 108, in __init__
    self.volume_tab_view = Volume_Tab_View(glade_xml, self.lvmm,
self.main_win)
  File "/usr/share/system-config-lvm/Volume_Tab_View.py", line 135, in
__init__
    self.prepare_tree()
  File "/usr/share/system-config-lvm/Volume_Tab_View.py", line 216, in
prepare_tree
    self.model_factory.reload()
  File "/usr/share/system-config-lvm/lvm_model.py", line 167, in reload
    self.__query_LVs()
  File "/usr/share/system-config-lvm/lvm_model.py", line 519, in
__query_LVs
    extent_block = ExtentBlock(pv, lv, ph_ext_beg, seg_size)
  File "/usr/share/system-config-lvm/ExtentBlock.py", line 14, in __init__
    self.__pv.add_extent_block(self)
AttributeError: 'NoneType' object has no attribute 'add_extent_block'
[root@esu1l028 ~]#