Description of problem:
FC5. upgrade from FC4. Anaconda crashes  whether  floppy
inserted or not.


Version-Release number of selected component (if applicable):
FC5 released


How reproducible:
Reproduces every time.


Steps to Reproduce:
1. Request upgrade (using gui, not text, I am)
2. before upgrade starts I get the crash
3.
  
Actual results:
Text of crash written to floppy, first part is:

Traceback (most recent call last):
  File "/usr/lib/anaconda/gui.py", line 951, in nextClicked
    self.dispatch.gotoNext()
  File "/usr/lib/anaconda/dispatch.py", line 146, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/dispatch.py", line 217, in moveStep
    rc = apply(func, self.bindArgs(args))
  File "/usr/lib/anaconda/upgrade.py", line 273, in upgradeMountFilesystems
    allowDirty = 0)
  File "/usr/lib/anaconda/upgrade.py", line 147, in mountRootPartition
    oldfsset.mountFilesystems(instPath, readOnly = readOnly)
  File "/usr/lib/anaconda/fsset.py", line 1637, in mountFilesystems
    entry.mount(instPath, readOnly = readOnly)
  File "/usr/lib/anaconda/fsset.py", line 1840, in mount
    BindMountDevice))
  File "/usr/lib/anaconda/fsset.py", line 1050, in mount
    raise SystemError (errNum, errMsg)
UnboundLocalError: local variable 'errNum' referenced before assignment

Local variables in innermost frame:
device: /dev/fd0
bindMount: False
readOnly: 0
self: <fsset.AutoFileSystem instance at 0xb7d73e6c>
mountpoint: /mnt/sysimage//media/floppy

Then computer reboots from hard disk, not upgraded.
No upgrade actions took place, apparently.
Full anaconda.txt attached.
Expected results:
upgrade would work.


Additional info: