I am using the TkAgg backend and was hesitant to post this
> since everyone agrees that it works, but I rebuilt mpl from
> cvs this morning with VERBOSE =True, and confirmed that
> ipython still crashes. Python works fine.
> I am using python 2.4.1, freetype 2.9 on MacOSX with the
> X11 version of Tk. Here's some of the output of plot().
> FT2Font::getattr FT2Font::clear FT2Font::getattr Value::get
> FT2Font::set_size FT2Font::getattr FT2Font::set_text Bus
So you get this with tkagg. I assume you get this with plain-ol agg
From your verbose output it looks like a ft2font error. Could you use
--verbose-debug which may indicate which font is being loaded before
the crash. We have seen some strangeness with OS X fonts.