Comment 2 for bug 680088

main.log:
2010-11-22 16:12:14,065 DEBUG Marking 'kubuntu-desktop' for upgrade
2010-11-22 16:12:16,481 DEBUG Can't mark 'kubuntu-desktop' for upgrade (E:Unable to correct problems, you have held broken packages.)
2010-11-22 16:12:16,535 ERROR Dist-upgrade failed: 'Can not mark 'kubuntu-desktop' for upgrade'

apt.log says:
Investigating plasma-netbook
Package plasma-netbook has broken Depends on libkephal4
  Considering libkephal4 13 as a solution to plasma-netbook 2
  Holding Back plasma-netbook rather than change libkephal4
Investigating kubuntu-desktop
Package kubuntu-desktop has broken Depends on plasma-netbook
  Considering plasma-netbook 2 as a solution to kubuntu-desktop 10000
    Reinst Failed early because of libkephal4
Done