Some packages had unmet dependencies. 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 packages have unmet dependencies:
xlibmesa-glu: Depends: xfree86-common but it is not installable
Conflicts: libglu1 which is a virtual package.
libglu1-mesa: Conflicts: libglu1 which is a virtual package.
libfam0: Conflicts: libfam0c102 (< 2.7.0-10) but 2.7.0-6sarge1 is installed and it is kept back.
libfam0c102: Conflicts: libfam0 but 2.7.0-10 is to be installed.