Traceback (innermost last):
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/iw/progress_gui.py", 
line 20, in run
    rc = self.todo.doInstall ()
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/todo.py", line 1588, in 
doInstall
    self.fstab.umountFilesystems(self.instPath)
  File "fstab.py", line 503, in umountFilesystems
    isys.umount(mntPoint, removeDir = 0)
  File "isys.py", line 113, in umount
    raise ValueError, "isys.umount() can only umount by mount point"
ValueError: isys.umount() can only umount by mount point

Local variables in innermost frame:
what: /mnt/sysimage/opt
removeDir: 0

ToDo object:
(itodo
ToDo
p1
(dp2
S'method'
p3
(iimage
CdromInstallMethod
p4
(dp5
S'currentDisc'
p6
I1
sS'tree'
p7
S'/mnt/source'
sS'device'
p8
S'hdc'
sS'progressWindow'
p9

<failed>