Description of Problem:

up2date crashes with python errors at the "Packages Flagged
to be Skipped" section.

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

default 8.0 fresh install, no other updates

How Reproducible:

always

Steps to Reproduce:
1. up2date -> next -> next
2. 
3. 

Actual Results:
root@cecil# up2date
Traceback (most recent call last):
  File "/usr/share/rhn/up2date_client/gui.py", line 1066, in onChannelsPageNext
    self.pkgList = self.pList.getPackagesToInstall()
  File "/usr/share/rhn/up2date_client/packageList.py", line 258, in
getPackagesToInstall
    result = self.__skipPackages(result)
  File "/usr/share/rhn/up2date_client/packageList.py", line 285, in __skipPackages
    packageList = self.__skipFiles(packageList)
  File "/usr/share/rhn/up2date_client/packageList.py", line 306, in __skipFiles
    ignoreMsgCallback = self.ignoreMsgCallback)
  File "/usr/share/rhn/up2date_client/packageList.py", line 365, in buildHeaderList
    hdr = headerList[pkg]
  File "/usr/share/rhn/up2date_client/headers.py", line 121, in __getitem__
    self.__retrievePackage(item)
  File "/usr/share/rhn/up2date_client/headers.py", line 126, in __retrievePackage
    hdr, sourceType = rpcServer.doCall(rpmSource.psc.headerSource.getHeader, item)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 107, in doCall
    ret = apply(method, args, kwargs)
  File "/usr/share/rhn/up2date_client/rpmSource.py", line 239, in getHeader
    header = source.getHeader(pkg, progressCallback = progressCallback)
  File "/usr/share/rhn/up2date_client/rpmSource.py", line 666, in getHeader
    fd = self.s.getPackageHeader(channel, filename)
  File "/usr/lib/python2.2/xmlrpclib.py", line 821, in __call__
    return self.__send(self.__name, args)
  File "/usr/lib/python2.2/site-packages/rhn/rpclib.py", line 126, in _request
    verbose=self._verbose
  File "/usr/lib/python2.2/site-packages/rhn/transports.py", line 141, in request
    return self.parse_response(fd)
  File "/usr/lib/python2.2/site-packages/rhn/transports.py", line 157, in
parse_response
    p.feed(response)
  File "/usr/lib/python2.2/xmlrpclib.py", line 390, in feed
    self._parser.Parse(data, 0)
xml.parsers.expat.ExpatError: not well-formed (invalid token): line 1, column 0
Traceback (most recent call last):
  File "/usr/share/rhn/up2date_client/gui.py", line 1109, in onSkippedPagePrepare
    maxlength = max(map(lambda x: len(x[0][0]), self.skipPkgList)) * 8
ValueError: min() or max() arg is an empty sequence


Expected Results:


Additional Information:
This bug looks similar to another that has been reported but
with a different set of traceback results.