[XeTeX] More info on segfaults in unicode-math on linux 64 bit

[Khaled Hosny]

On Thu, Jun 17, 2010 at 04:16:22PM +0200, ulrik.vieth at arcor.de wrote:
>  ---- Original Nachricht ----
> Von:     wodzicki at math.berkeley.edu
> An:      Unicode-based TeX for Mac OS X and other platforms <xetex at tug.org>
> Datum:   17.06.2010 15:44
> Betreff: Re: [XeTeX] More info on segfaults in unicode-math on linux 64 bit
> 
> > I did myself some testing today with TeXLive 2010 installed on 64-bit
> > Fedora 13 using the experimental TeXLive 2010 repository for Fedora 13
> > which is maintained by Jind?ich Nový
> > 
> >   http://jnovy.fedorapeople.org/texlive/
> > 
> > In my case, I report *no* segmentation faults when compiling XeLaTeX
> > sources with lots of mathematics and unicode-math loaded with \setmathfont
> > and \setmainfont directives in the preamble (I use \setmathfont with no
> > potions and \setmainfont with options: 'Numbers=OldStyle,Mapping=tex-text'
> > ; I did the testing with XITS fonts).
> 
> I wonder if it might depend on which font is used:
> 
> The orignal poster used "STIXGeneral" which is essentially a glyph container,
> i.e. an OpenType font without a MATH table containing the positioning information.
> Maybe the segmentation fault was caused when XeTeX was trying to extract
> the information from the MATH table and didn't find any such table.

I tested here, texlive-2009 with locally updated packages on a 32 bit linux,
but I got no segmentation faults neither with "STIXGeneral" nor with any
of the four other math fonts.


-- 
 Khaled Hosny
 Arabic localiser and member of Arabeyes.org team
 Free font developer