(In reply to Ulrich Windl from comment #9) > Some more mysteries: > * I can convert a DVI file to PNG using dvipng without a problem. Of course. dvipng does not use X11 Core fonts. > * Listing the fonts (xdvi -l) of one problematic files shows: > xdvi: cmti10 at 657 dpi > xdvi: cmbx10 at 657 dpi > xdvi: cmbx12 at 720 dpi > xdvi: cmr12 at 720 dpi > xdvi: cmr8 at 600 dpi > xdvi: cmr12 at 600 dpi > xdvi: cmr10 at 657 dpi > xdvi: cmr7 at 600 dpi > Warning: Missing charsets in String to FontSet conversion > Warning: Unable to load any usable fontset > Error: Aborting: no fontset found Let me repeat: ** TEX FONTS ARE IRRELEVANT HERE ** xdvi is missing an X11 Core font. Create a DVI file with an empty page, you will get the same error.