I do an apt-get upgrade today and still got the xftcache trouble on speedo font. The work around I used is to replace xftcache by fc-cache in postinst and postrm script as I read in another bug report that xftcache is obsolete and must be replaced by fc-cache.
Hope it helps. Package: xfonts-scalable Version: 4.2.1-12.1 Debian Testing / Sarge Kernel: 2.4.18.bf2.4 Architecture: i386 nomade:~# dpkg --list xl* | grep 'ii ' ii xlib6g 4.1.0-16 pseudopackage providing X libraries ii xlibmesa-gl-de 4.2.1-12.1 Mesa 3D graphics library development files [ ii xlibmesa-glu-d 4.2.1-12.1 Mesa OpenGL utility library development file ii xlibmesa3 4.2.1-12.1 XFree86 Mesa libraries pseudopackage ii xlibmesa3-gl 4.2.1-12.1 Mesa 3D graphics library [XFree86] ii xlibmesa3-glu 4.2.1-12.1 Mesa OpenGL utility library [XFree86] ii xlibs 4.2.1-12.1 X Window System client libraries ii xlibs-dev 4.2.1-12.1 X Window System client library development f nomade:~# dpkg --list xf* | grep 'ii ' ii xfig 3.2.4-rel-9 Facility for Interactive Generation of figur ii xfonts-100dpi 4.2.1-12.1 100 dpi fonts for X ii xfonts-100dpi- 4.2.1-12.1 100 dpi fonts for X (transcoded from ISO 106 ii xfonts-75dpi 4.2.1-12.1 75 dpi fonts for X ii xfonts-75dpi-t 4.2.1-12.1 75 dpi fonts for X (transcoded from ISO 1064 ii xfonts-artwiz 2.5 X fonts created by Artwiz, TigerT, and Danie ii xfonts-base 4.2.1-12.1 standard fonts for X ii xfonts-base-tr 4.2.1-12.1 standard fonts for X (transcoded from ISO 10 ii xfonts-dosemu 1.0.2.1-14 VGA font for the DOS Emulator ii xfonts-intl-eu 1.2-5 International fonts for X -- European ii xfonts-scalabl 4.2.1-12.1 scalable fonts for X ii xfree86-common 4.2.1-12.1 X Window System (XFree86) infrastructure ii xfs 4.2.1-12.1 X font server ii xfwp 4.2.1-12.1 X firewall proxy server nomade:~# dpkg --list xs* | grep 'ii ' ii xscreensaver 4.12-1 Automatic screensaver for X ii xserver-common 4.2.1-12.1 files and utilities common to all X servers ii xserver-xfree8 4.2.1-12.1 the XFree86 X server ii xsitecopy 0.11.4-6 A program for managing a WWW site via FTP, D ii xslide 0.2-5 XSL editing mode for Emacs. ii xsltproc 1.0.30-3 XSLT command line processor ii xspecs 4.2.1-12.1 X protocol, extension, and library technical nomade:~# dpkg --list xbase* | grep 'ii ' ii xbase-clients 4.2.1-12.1 miscellaneous X clients -- Jack.R http://jack.r.free.fr
