[Interest] Windows segfault, but not on Linux

spam2 at quati.info spam2 at quati.info
Thu Nov 21 16:42:09 CET 2013

I'm not sure if your problem is related to "asynchronous exceptions".  
Your code can generate a access violation exception, but the exeption  
occurs in other frame (not in your code).

Citando William Hallatt <goblincoding at gmail.com>:

> Good day everybody,
> I have a bit of an odd scenario.  At home I have Qt 5.2.x built from
> source, running on an Ubuntu 12.04 distribution.  I also use QtCreator 3.x
> and Clang 3.3 (both built from source) for my Qt development.  Long story
> short, I have a little data-gathering simulation application that I can run
> for hours and hours on the Ubuntu box without any issues (I regularly run
> it overnight), but when compiling the exact same source using the Qt 5.1.1
> for Windows 32-bit (MinGW 4.8, OpenGL, 666
> MB)<http://download.qt-project.org/official_releases/qt/5.1/5.1.1/qt-windows-opensource-5.1.1-mingw48_opengl-x86-offline.exe>package
> on Windows 7 (64-bit), I get segfaults within minutes.
> I have attached here two disassembler text files, the one is where the
> break occurs and the other is for the only Qt related stack that I can find
> in the ~30 threads that is running at that point.  I have marked the breaks
> with huge ( BREAKS HERE!!! ) markers in the text files (to the right of the
> actual line) and the attached image is also of the complete stack for the
> Qt-related function calls.  I seriously doubt the disassemled output would
> mean anything to anybody, but I include it here just in case.
> None of the stacks trace back directly to any of my code so I am at a bit
> of a loss, however, my actual problem is why everything works on Linux, but
> falls over on Windows...and please don't say it is because it's Windows, I
> know that already :P
> If anyone has any ideas, I'm all ears.
> Thanks a lot!
> William.

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