Comment 33 for bug 971761

Confirmed on a current, up-to-date installation of precise. Acroread, Crossover and Lotus Notes are uninstallable because all depend on ia32-libs, which depends on ia32-libs-multiarch, which won't install:

# apt-get install ia32-libs-multiarch
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following information may help to resolve the situation:

The following packages have unmet dependencies:
 ia32-libs-multiarch:i386 : Depends: gstreamer0.10-plugins-good:i386 but it is not going to be installed
                            Depends: gtk2-engines:i386 but it is not going to be installed
                            Depends: gtk2-engines-murrine:i386 but it is not going to be installed
                            Depends: gtk2-engines-pixbuf:i386 but it is not going to be installed
                            Depends: gtk2-engines-oxygen:i386 but it is not going to be installed
                            Depends: ibus-gtk:i386 but it is not going to be installed
                            Depends: libcanberra-gtk-module:i386 but it is not going to be installed
                            Depends: libcupsimage2:i386 but it is not going to be installed
                            Depends: libgail-common:i386 but it is not going to be installed
                            Depends: libgphoto2-2:i386 but it is not going to be installed
                            Depends: libgtk2.0-0:i386 but it is not going to be installed
                            Depends: libqt4-opengl:i386 but it is not going to be installed
                            Depends: libqt4-qt3support:i386 but it is not going to be installed
                            Depends: libqt4-scripttools:i386 but it is not going to be installed
                            Depends: libqt4-svg:i386 but it is not going to be installed
                            Depends: libqtgui4:i386 but it is not going to be installed
                            Depends: libqtwebkit4:i386 but it is not going to be installed
                            Depends: librsvg2-common:i386 but it is not going to be installed
                            Depends: libsane:i386 but it is not going to be installed
                            Depends: libsdl-image1.2:i386 but it is not going to be installed
E: Unable to correct problems, you have held broken packages.

# cat /etc/dpkg/dpkg.cfg.d/multiarch
foreign-architecture i386

Is there something else we're supposed to be doing?