After running preupgrade on an F8 system with raid0 root (/dev/sda3 and
/dev/sda5), anaconda traces back when you tell it to upgrade the Fedora 8 system
on /dev/md0.

The traceback looks like this:

anaconda 11.4.0.71 exception report
Traceback (most recent call first):
  File "/usr/lib/anaconda/fsset.py", line 2366, in <lambda>
    self.members.sort(cmp=lambda x,y: cmp(x.getDevice(),y.getDevice()))
  File "/usr/lib/anaconda/fsset.py", line 2366, in __init__
    self.members.sort(cmp=lambda x,y: cmp(x.getDevice(),y.getDevice()))
  File "/usr/lib/anaconda/fsset.py", line 2687, in makeDevice
    existing=1)
  File "/usr/lib/anaconda/fsset.py", line 2839, in readFstab
    device = makeDevice(fields[0][5:])
  File "/usr/lib/anaconda/upgrade.py", line 215, in mountRootPartition
    newfsset = readFstab(anaconda)
  File "/usr/lib/anaconda/upgrade.py", line 377, in upgradeMountFilesystems
    allowDirty = 0)
  File "/usr/lib/anaconda/dispatch.py", line 208, in moveStep
    rc = stepFunc(self.anaconda)
  File "/usr/lib/anaconda/dispatch.py", line 131, in gotoNext
    self.moveStep()
  File "/usr/lib/anaconda/gui.py", line 1259, in nextClicked
    self.anaconda.dispatch.gotoNext()
AttributeError: 'str' object has no attribute 'getDevice'

Local variables in innermost frame:
y: sda3
x: sda5

Full anacdump.txt is attached.