Hi everyone,

This minimal example causes my luatex process to spin consuming 100
percent cpu (latest minimals, freebsd 9):

\setupbackend[export=yes]

\starttext
hello world
\stoptext

To rule out any issue with FreeBSD 9, which is fairly recent, I
compiled my own luatex binary from the svn trunk but still experienced
the problem.

Adding \startparagraph and \stopparagraph also produced the same result,
but with slightly different output after interrupting the compilation
process. 

I've read this list for years but rarely post and would like to thank
everyone who contributes to this amazing project.

Thanks for any suggestions,
Matt


mtx-context     | current version: 2012.01.25 14:16


[/usr/home/mclaus/wk/git/personal/tex] context hello.tex

mtx-context     | run 1: luatex 
--fmt="/usr/home/mclaus/context/tex/texmf-cache/luatex-cache/context/2448223e6631addb83df348d74153606/formats/cont-en"
 
--lua="/usr/home/mclaus/context/tex/texmf-cache/luatex-cache/context/2448223e6631addb83df348d74153606/formats/cont-en.lui"
 --backend="pdf" "./hello.tex" \stoptext
This is LuaTeX, Version beta-0.70.1-2011051912 (rev 4277) 
 \write18 enabled.
(hello.tex

ConTeXt  ver: 2012.01.25 14:16 MKIV  fmt: 2012.1.26  int: english/english

system          > cont-new.mkiv loaded
(/usr/home/mclaus/context/tex/texmf-context/tex/context/base/cont-new.mkiv
system          > beware: some patches loaded from cont-new.mkiv
)
system          > hello.top loaded
(hello.top)
fonts           > latin modern fonts are not preloaded
languages       > language en is active
backend         > export > enabling export to xml
{/usr/home/mclaus/context/tex/texmf-context/fonts/map/pdftex/context/mkiv-base.map}
fonts           > preloading latin modern fonts (second stage)
fonts           > typescripts > unknown: library 'loc'
{/usr/home/mclaus/context/tex/texmf/fonts/map/dvips/lm/lm-math.map}{/usr/home/mclaus/context/tex/texmf/fonts/map/dvips/lm/lm-rm.map}
fonts           > fallback modern rm 12pt is loaded
backend         > xmp > using file 
'/usr/home/mclaus/context/tex/texmf-context/tex/context/base/lpdf-pdx.xml'
pages           > flushing realpage 1, userpage 1, subpage 1
^C! Interruption.

system          > tex > error on line 1 in file hello.tex: Interruption ...

1 >>  
2     \setu
pba[/usr/home/mclaus/wk/git/personal/tex] ckend[export=yes]
3     
4     \starttext
5     hello world
6     \stoptext
7     
8     

<inserted text> \dostoptagged 
                              \finalizeautostructurelevels \global \everytop...
\dostoptext ...youtpage \page \the \everystoptext 
                                                  \global \everystoptext \em...
l.1 \dostoptext
               
\ctxcommand ...\directlua \zerocount {commands.#1}
                                                  
l.6 \stoptext
             
? 
! Emergency stop.

system          > tex > error on line 1 in file hello.tex: Emergency stop ...

1 >>  
2     \setupbackend[export=yes]
3     
4     \starttext
5     hello world
6     \stoptext
7     
8     

<inserted text> \dostoptagged 
                              \finalizeautostructurelevels \global \everytop...
\dostoptext ...youtpage \page \the \everystoptext 
                                                  \global \everystoptext \em...
l.1 \dostoptext
               
\ctxcommand ...\directlua \zerocount {commands.#1}
                                                  
l.6 \stoptext
             
!  ==> Fatal error occurred, no output PDF file produced!




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