yum update errors (upgrade from fc5->fc6)

[Pradeep Kilambi]

I'm trying to upgrade to fc6 from fc6. I installed the release rpms for 
fc6 and did a yum updtae and i get this error when processing deps:

--> Processing Dependency: libiso9660.so.4(ISO9660_4) for package: vcdimager
--> Processing Dependency: libttf.so.2 for package: VFlib2-xtools
--> Processing Dependency: liblzo.so.1 for package: mplayer
--> Processing Dependency: freetype = 2.1.10-5.2.1 for package: 
freetype-utils
--> Processing Conflict: hal conflicts kernel < 2.6.17
[<yum.packages.YumInstalledPackage instance at 0xb456e96c>]
Traceback (most recent call last):
  File "/usr/bin/yum", line 29, in ?
    yummain.main(sys.argv[1:])
  File "/usr/share/yum-cli/yummain.py", line 143, in main
    (result, resultmsgs) = base.buildTransaction()
  File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 430, in 
buildTransaction
    (rescode, restring) = self.resolveDeps()
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 239, in 
resolveDeps
    (checkdep, missing, conflict, errormsgs) = self._processConflict(dep)
  File "/usr/lib/python2.4/site-packages/yum/depsolve.py", line 692, in 
_processConflict
    (confname, confarch, confepoch, confver, confrel) = 
conflict_packages[0] # take the first one, probably the only one
TypeError: unpack non-sequence

version of yum i'm running is:
$ rpm -q yum
yum-2.9.5-1

any idea whats up with this

--Prad