any2epub "freezes" on converting .mobi

[bofh00]

Via command line - running for over two hours with no progress on a 4 Mb file.

If run via Calibre GUI, same result.

$ ls -l ~/test-any2epub/
total 4196
-rw-r--r-- 1 bofh00 bofh00 4295022 2009-05-28 14:17 Electronic Pocket Oxford English Dictionary - Oxford University Press.mobi

~/test-any2epub$ any2epub --profile=None -v -v -v -v --prefer-metadata-cover Electronic\ Pocket\ Oxford\ English\ Dictionary\ -\ Oxford\ University\ Press.mobi
Exploding MOBI file: Electronic Pocket Oxford English Dictionary - Oxford University Press.mobi
Creating EPUB file...
[INFO] Parsing tmp/calibre_0.5.13_MwJRzE_any2epub2/Electronic_P-ish_Dictionary.html
[DEBUG] Written processed HTML to /tmp/Electronic_P-ish_Dictionary.html-parsed.html
[INFO] Detected chapter: About this book

$ ps -elf | grep any2epub
0 S bofh00 13055 8965 0 80 0 - 468 wait 14:52 pts/2 00:00:00 /bin/sh /usr/bin/any2epub --profile=None -v -v -v -v--prefer-metadata-cover Electronic Pocket Oxford English Dictionary - Oxford University Press.mobi
0 S bofh00 20253 8073 0 80 0 - 835 pipe_w 16:32 pts/1 00:00:00 grep any2epub

$ date
Thu May 28 16:32:32 MDT 2009

[kovidgoyal]

converting dictionaries is slow