[vtkusers] Serious leaks in all vtk versions

Ali - saveez at hotmail.com
Thu May 20 11:42:14 EDT 2004


Mathieu

Thanks for your reply. I will try re-building vtk binaries with 
VTK_DEBUG_LEAKS:ON.

I hope this can solve the problem - the issue is the same thing happens in 
release version as well.

-Ali


>From: Mathieu Malaterre <mathieu.malaterre at kitware.com>
>To: Ali - <saveez at hotmail.com>
>CC: vtkusers <vtkusers at vtk.org>
>Subject: Re: [vtkusers] Serious leaks in all vtk versions
>Date: Thu, 20 May 2004 11:35:02 -0400
>
>Ali,
>
>	When you build VTK, you may want to turn VTK_DEBUG_LEAKS:ON (this is in 
>advanced option). Therfore when you write your own example you won't forget 
>to delete vtk object.
>
>	BTW I didn't /really/ send you the same message two times, I am used to do 
>reply all so that vtkusers also benefit from your question/answer.
>
>	Finally please find attached the correct vtk example
>
>Mathieu
>
>
>#include "vtkSphereSource.h"
>#include "vtkPolyDataMapper.h"
>#include "vtkActor.h"
>#include "vtkRenderWindow.h"
>#include "vtkRenderer.h"
>#include "vtkRenderWindowInteractor.h"
>#include "vtkProperty.h"
>
>int main ()
>{
>
>   // create sphere geometry
>   vtkSphereSource *sphere = vtkSphereSource::New();
>   sphere->SetRadius(1.0);
>   sphere->SetThetaResolution(18);
>   sphere->SetPhiResolution(18);
>
>   // map to graphics library
>   vtkPolyDataMapper *map = vtkPolyDataMapper::New();
>   map->SetInput(sphere->GetOutput());
>
>   // actor coordinates geometry, properties, transformation
>   vtkActor *aSphere = vtkActor::New();
>   aSphere->SetMapper(map);
>   aSphere->GetProperty()->SetColor(0,0,1); // sphere color blue
>
>   // a renderer and render window
>   vtkRenderer *ren1 = vtkRenderer::New();
>   vtkRenderWindow *renWin = vtkRenderWindow::New();
>   renWin->AddRenderer(ren1);
>
>   // an interactor
>   vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
>   iren->SetRenderWindow(renWin);
>
>   // add the actor to the scene
>   ren1->AddActor(aSphere);
>   ren1->SetBackground(1,1,1); // Background color white
>
>   // render an image (lights and cameras are created automatically)
>   renWin->Render();
>
>   // begin mouse interaction
>   iren->Start();
>
>  sphere->Delete();
>  map->Delete();
>  aSphere->Delete();
>  ren1->Delete();
>  iren->Delete();
>  renWin->Delete();
>
>   return 0;
>}
>
>
>Ali - wrote:
>>Hi Mathieu
>>
>>I run the c++ example under XP/VS.NET.7.1 from 
>>http://public.kitware.com/VTK/example-code.php , which Delete() is not 
>>called at the end of it. So I added the following lines at the end of 
>>main:
>>
>>  sphere->Delete();
>>  map->Delete();
>>  aSphere->Delete();
>>  ren1->Delete();
>>  iren->Delete();
>>
>>This includes deleting everything but the render window which without it I 
>>wont be able to see the output!
>>
>>The result is still the same:
>>
>>[I] Starting Purify'd vtkTest2.exe at 20/05/2004 14:38:52
>>[E] BSR: Beyond stack read in chkstk {1 occurrence}
>>[E] BSR: Beyond stack read in chkstk {1 occurrence}
>>[E] BSR: Beyond stack read in chkstk {1 occurrence}
>>[E] BSR: Beyond stack read in chkstk {1 occurrence}
>>[E] BSR: Beyond stack read in chkstk {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[I] Starting main
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in delete(void *) {7 occurrences}
>>[E] FMM: Freeing mismatched memory in delete(void *) {7 occurrences}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in delete(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in !>(void *) {1 occurrence}
>>[E] FMM: Freeing mismatched memory in delete(void *) {4406 occurrences}
>>[E] FMM: Freeing mismatched memory in !>(void *) {528 occurrences}
>>[E] FMM: Freeing mismatched memory in delete(void *) {12 occurrences}
>>[E] FMM: Freeing mismatched memory in !>(void *) {6 occurrences}
>>
>>The FMM error are mainly from these two functions:
>>
>>vtkCharArray::GetTuple(int,double *) [vtkCommon.dll]
>>vtkAxisActor2D::vtkAxisActor2D(void) [vtkRendering.dll]
>>
>>It seems to me somewhere in the pipeline some pointers are created using 
>>malloc and deleted in c++ way.
>>
>>
>>-Ali
>>
>>
>>
>>
>>>From: Mathieu Malaterre <mathieu.malaterre at kitware.com>
>>>To: Ali - <saveez at hotmail.com>
>>>CC: vtkusers at vtk.org
>>>Subject: Re: [vtkusers] Serious leaks in all vtk versions
>>>Date: Thu, 20 May 2004 09:21:36 -0400
>>>
>>>Ali - wrote:
>>>
>>>
>>>>Hi
>>>>
>>>>I just ran the standard vtk example under Rational PurifyPlu (and this 
>>>>is NOT and advert for this product) and found uncountable error 
>>>>regarding: "freeing mismatched memory".
>>>>
>>>>Basically the error occures whenever the visualistion pipeline is 
>>>>updated, hence, it is a substantial one.
>>>>
>>>>Please let me know whether this is going to be debuged in near future or 
>>>>I am wrong.
>>>
>>>
>>>
>>>Ali,
>>>
>>>     Which example are you running ? We are are also running valgrind and 
>>>purify to detect memory leak, and we got rid of them (except timerlog 
>>>maybe).
>>>
>>>     BTW, If you wrote your example make sure you call Delete at the end.
>>>
>>>
>>>Mathieu
>>>
>>>
>>
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>
>
>

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