[Windows & DMD] No callstack when crash with Access violation reading location 0x00000000

Xavier Bigand flamaros.xavier at gmail.com
Sun Jan 12 08:18:25 PST 2014


Le 12/01/2014 11:16, Benjamin Thaut a écrit :
> Am 12.01.2014 00:47, schrieb Xavier Bigand:
>> I didn't know this menu settings, but activate Access Violation don't
>> change anything.
>>
>
> It seems that your crash happens inside the OpenGL part of the graphics
> driver. It is caused by
> DQuick\src\dquick\renderer3D\openGL\mesh.d line 125
> I assume that you setup a few OpenGL parameters invalid and thus the
> driver reads from a null pointer.
>
> I found it by single stepping. I started the application, then set the
> breakpoint like shown below and single steppt into the draw() method.
>
> debug
> {
>      if (mRebuildDebugMeshes)
>          updateDebugMesh(); // put breakpoint here
>      mDebugMesh.draw();
>      if ((implicitWidth != float.nan && implicitHeight != float.nan)
>          && (implicitWidth != mSize.x && implicitHeight != mSize.y))
>          mDebugImplicitMesh.draw();
> }
>
> Have fun debugging ;-)
>
> Kind Regards
> Benjamin Thaut

Thank for your support and your time

I already tried to debug opengl with gdebugger is used to find those 
kind of issues. But it doesn't seems working fine with D binaries.


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