Isso corrigiu:
dpkg --purge oxygen-cursor-theme
apt-get clean
apt-get -f install
$ apt-get install kde-plasma-desktop
...
Setting up oxygen-cursor-theme (0.0.2012-06-kde4.8-2.1ubuntu1) ...
update-alternatives: error: alternative path /etc/X11/cursors/oxy-white.theme doesn't exist
dpkg: error processing package oxygen-cursor-theme (--configure):
subprocess installed post-installation script returned error exit status 2
...
Errors were encountered while processing:
oxygen-cursor-theme
kde-workspace-data
kde-workspace-bin
kde-workspace
kde-plasma-desktop
O que posso fazer?
Isso corrigiu:
dpkg --purge oxygen-cursor-theme
apt-get clean
apt-get -f install