I've also been bitten by this. My Emacs, however, didn't show boxes instead of fonts, but showed ugly, unreadable non-anti-aliased micro fonts.
I also changed the paths in `/etc/X11/xorg.conf' by hand and can also confirm that reconfiguring via ``dpkg-reconfigure -phigh xserver-xorg'' will rewrite the file with the erroneous paths.
I've also been bitten by this. My Emacs, however, didn't show boxes instead of fonts, but showed ugly, unreadable non-anti-aliased micro fonts.
I also changed the paths in `/etc/X11/ xorg.conf' by hand and can also confirm that reconfiguring via ``dpkg-reconfigure -phigh xserver-xorg'' will rewrite the file with the erroneous paths.