bkw@venus:~$ sudo apt-get dist-upgrade
Reading Package Lists... Done
Building Dependency Tree... Done
You might want to run `apt-get -f install' to correct these.
The following packages have unmet dependencies:
  ktimetrace: Depends: libcomedi-0.7.22 but it is not installed
  libdps1: Depends: xfree86-common but it is not installable
  libxft1: Depends: xfree86-common but it is not installable
  xfonts-100dpi: Depends: xfree86-common but it is not installable
  xfonts-75dpi: Depends: xfree86-common but it is not installable
  xfonts-base: Depends: xfree86-common but it is not installable
  xfonts-scalable: Depends: xfree86-common but it is not installable
  xlibmesa-dri: Depends: xfree86-common but it is not installable
  xlibs-static-dev: Depends: xfree86-common but it is not installable
E: Unmet dependencies. Try using -f.