[Mingw-notify] [ mingw-Bugs-2938552 ] internal error: Segmentation faul

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Bugs item #2938552, was opened at 2010-01-24 14:29
Message generated for change (Comment added) made by lalesculiviu
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Category: MinGW
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Volker Dirr (volker_dirr)
Assigned to: Nobody/Anonymous (nobody)
Summary: internal error: Segmentation faul

Initial Comment:
Sorry guys for this bad bug report, but it is so nasty.

I compiled this source on different computers:
http://www.timetabling.de/download/fet-5.12.1.tar.bz2

i can compile it under windows vista, linux, ...

but i also have 2 computers i can't compile the source.
i got a "internal error: Segmentation faul. Please submit full bug report."
in ..\engine\timetableexport.cpp:7019

i don't know how to go on.

it is a windows xp computer with 640 MB ram, but during compiling only 330 mb ram is used.
it use gcc 4.4.0 with qt 4.6. (but i also use that gcc 4.4.0 and qt 4.6 on an other windows vista and it work fine on that computer.)

i got a report from an other guy, that he has similar problems with an windows xp (but on an amd 4200 dual core with 1 gb ram.) he told me that sometimes just modifiing/deleting comments in the source "help". i don't understand that bug. i hope you can give me an hint or we maybe found a stupid bug.

regards
volker


ps:
(if file is not longer available, file is already moved to
http://www.timetabling.de/download/old/fet-5.12.1.tar.bz2
)


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Comment By: Lalescu Liviu (lalesculiviu)
Date: 2010-01-24 15:06

Message:
Also, I forgot to say: we are using the MinGW that comes with Qt SDK 4.6.1
or 4.6.0. It is a MinGW with gcc 4.4.0, possibly modified by Qt team.


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Comment By: Lalescu Liviu (lalesculiviu)
Date: 2010-01-24 15:03

Message:
Line 7019 is:

QString TimetableExport::writeActivitiesRooms(const QList<qint16>&
allActivities){

Sometimes it crashes on other 3 lines: there are another 3 lines similar
to this one (6848, 6930 and 7076). In rare cases it compiles, depends on
luck.

Removing the "const" keyword seems to solve the problem. Also, changing
"qint16" to "int" solves the problem (this is a hack I made to solve the
problem, temporarily).


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https://sourceforge.net/tracker/?func=detail&atid=102435&aid=2938552&group_id=2435