The error occurs at the beginning of the installation process, when I 
choose the 'Custom Installation'.
I don't know the component that causes the bug. It might be the 
installation program itself.

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 1480, in 
doInstall
    if self.method.systemMounted (self.fstab, self.instPath, 
self.hdList.selected()):
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/image.py", line 46, in 
systemMounted
    self.loopbackFile = mntPoint + fstab.filesystemSpace(mntPoint)[0][0] + 
\
  File "/var/tmp/anaconda-7.0.1//usr/lib/anaconda/fstab.py", line 258, in 
filesystemSpace
    space.append((mntpoint, isys.fsSpaceAvailable(topMount + '/' + 
mntpoint)))
  File "/usr/lib/anaconda/isys.py", line 16, in fsSpaceAvailable
    return _isys.devSpaceFree(fsystem)
SystemError: (2, 'Aucun fichier ou r\351pertoire de ce type')

Local variables in innermost frame:
fsystem: /mnt/sysimage//Donnies

ToDo object:
(itodo
ToDo
p1
(dp2
S'method'
p3
(iimage
CdromInstallMethod
p4
(dp5
S'progressWindow'
p6

<failed>