[NTG-pdftex] [ pdftex-Bugs-909 ] pdflatex does not respond, probably hitting an endless loop condition

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Bugs item #909, was opened at 2008-01-26 13:27
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Category: None
Group: v1.40.3
Status: Open
Resolution: None
Priority: 5
Submitted By: Jorgen Moth (unijm)
Assigned to: Nobody (None)
Summary: pdflatex does not respond, probably hitting an endless loop condition

Initial Comment:
A number of students at the Danish Technical 
University has experienced pdflatex being captured in 
an internal endless, cpu-consuming loop. Typically the 
students utilize texmaker (who submits pdflatex jobs 
with default option -interaction=nonstopmode) to 
generate their reports. Due to errors in the input 
latex files not being corrected immediately by the 
students, this way of working stresses the pdflatex 
engine, and a number of looping conditions have 
occured. Enclosed please find an example of a setup 
which is able to reproduce the looping error. The 
error will appear by running "pdflatex report" and 
answer with an empty line (CR) when a figure can't be 
located and otherwise with "R" when an error appears, 
thus emulating the -interaction=nonstopmode used by 
texmaker. You quickly reach the no-response, but very 
cpu-time consuming condition. It is our hope that you 
will easily with your knowledge of the internals of 
pdflatex locate and fix this very annoying problem.
Best regards
Jorgen Moth
jorgen.moth at uni-c.dk
(www.uni-c.dk)

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>Comment By: Martin Schröder (oneiros)
Date: 2008-01-26 17:37

Message:
Logged In: YES 
user_id=421

Please provide a minimal self contained test case proving
that this is indeed a problem of pdftex.

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