[Okular-devel] [Bug 189623] New: okular crashes when refresh compiling DVI files

[Laurent Claessens]

https://bugs.kde.org/show_bug.cgi?id=189623

           Summary: okular crashes when refresh compiling DVI files
           Product: okular
           Version: 0.8.2
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: okular-devel at kde.org
        ReportedBy: moky.math at gmail.com


Version:           0.8.2 (using 4.2.2 (KDE 4.2.2), Kubuntu packages)
Compiler:          cc
OS:                Linux (i686) release 2.6.28-11-generic

Bug first reported on the Ubuntu's launchpad
https://bugs.launchpad.net/ubuntu/+source/kdegraphics/+bug/360647
(there is a traceback there)

1. Open a large DVI file with Okular (see an example of LaTeX source file
bellow)
 2. Compile the tex file
 3. Okular crashes when refresh under certain conditions.

At a certain point during the compilation, Okular remarks that the DVI is being
changed. So it empty the content of the DVI being on screen (normal behaviour).
 At that point, if the LaTeX compilation still last some seconds, Okular
crashes.
I can reproduce the bug "at will" with the following trick :

------ Structure of a LaTeX file -----------
<Big LaTeX document (around 70 pages)>
\input{foo.tex}
\end{document}
------------ end -----------------
I suppose that the "big file" is just enough in order Okular to set itself in
the "waiting" mode.
\input produces an error which stops the compilation until I react.
 If I react sufficiently rapidly, no crash.
 If I leave some seconds without answering, Okular crashes.
It seems to be really a matter of TIME between the moment Okular sees that the
DVI is being changed and the moment where the DVI is actually finished.

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