[vtk-developers] VTK Coverage drop

[Ken Martin]

Bad memory access in vtkPython.h below this->Force is true.  Not sure if
that rings a bell with anyone.  Build with Tcl and Python and the PyInterp
option to get the error

class vtkPythonScopeGilEnsurer
{
public:
  vtkPythonScopeGilEnsurer(bool force = false)
    : State(PyGILState_UNLOCKED)
    {
#ifdef VTK_PYTHON_FULL_THREADSAFE
    // Force is always true with FULL_THREADSAFE
    force = true;
#endif
    this->Force = force;
    if (this->Force)
      {
      this->State = PyGILState_Ensure();

stack is

> vtkPythonInterpreter-6.3.dll!vtkPythonScopeGilEnsurer::vtkPythonScopeGilEnsurer(bool
force)  Line 152 + 0x6 bytes C++
  vtkPythonInterpreter-6.3.dll!vtkPythonInteractiveInterpreter::vtkInternals::CleanupPythonObjects()
 Line 48 + 0xc bytes C++
  vtkPythonInterpreter-6.3.dll!vtkPythonInteractiveInterpreter::vtkInternals::~vtkInternals()
 Line 38 + 0xa bytes C++
  vtkPythonInterpreter-6.3.dll!vtkPythonInteractiveInterpreter::vtkInternals::`scalar
deleting destructor'()  + 0x2c bytes C++
  vtkPythonInterpreter-6.3.dll!vtkPythonInteractiveInterpreter::~vtkPythonInteractiveInterpreter()
 Line 142 + 0x2f bytes C++
  vtkPythonInterpreter-6.3.dll!vtkPythonInteractiveInterpreter::`vector
deleting destructor'()  + 0x7d bytes C++
  vtkCommonCore-6.3.dll!vtkObjectBase::UnRegisterInternal(vtkObjectBase *
__formal, int check)  Line 232 + 0x31 bytes C++
  vtkCommonCore-6.3.dll!vtkObject::UnRegisterInternal(vtkObjectBase * o,
int check)  Line 901 C++
  vtkCommonCore-6.3.dll!vtkObjectBase::UnRegister(vtkObjectBase * o)  Line
190 C++
  vtkCommonCore-6.3.dll!vtkObjectBase::Delete()  Line 135 C++
  vtkCommonCoreTCL-6.3.dll!vtkObjectBaseCppCommand(vtkObjectBase * op,
Tcl_Interp * interp, int argc, char * * argv)  Line 109 C++
  vtkCommonCoreTCL-6.3.dll!vtkObjectCppCommand(vtkObject * op, Tcl_Interp *
interp, int argc, char * * argv)  Line 855 + 0x25 bytes C++
  vtkPythonInterpreterTCL-6.3.dll!vtkPythonInteractiveInterpreterCppCommand(vtkPythonInteractiveInterpreter
* op, Tcl_Interp * interp, int argc, char * * argv)  Line 342 + 0x25 bytes
C++
  vtkPythonInterpreterTCL-6.3.dll!vtkPythonInteractiveInterpreterCommand(void
* cd, Tcl_Interp * interp, int argc, char * * argv)  Line 33 C++
  vtkCommonCoreTCL-6.3.dll!vtkTclGenericDeleteObject(void * cd)  Line 132
C++


On Thu, Dec 3, 2015 at 11:35 AM, Ken Martin <ken.martin at kitware.com> wrote:

> I was digging into this yesterday. I'm pretty sure it is an assert that
> was added on that day. You have to build with Tcl and Python and PyInterp I
> believe to actually hit it which is still in the process of compiling on my
> system.
>
> On Thu, Dec 3, 2015 at 10:54 AM, Bill Lorensen <bill.lorensen at gmail.com>
> wrote:
>
>> Will,
>>
>> That explains why we did not see your FlyingEdges's PrintSelfs having
>> coverage...
>>
>> On Thu, Dec 3, 2015 at 10:38 AM, Will Schroeder
>> <will.schroeder at kitware.com> wrote:
>> > Wow great catch Bill. I'm wondering how many dashboard errors are going
>> to
>> > pop up when otherPrint comes back online....
>> >
>> > On Thu, Dec 3, 2015 at 10:12 AM, Bill Lorensen <bill.lorensen at gmail.com
>> >
>> > wrote:
>> >>
>> >> Folks,
>> >>
>> >> We noticed that the vtk code coverage had dropped by 5% recently. It
>> >> turns out that the otherPrint.tcl test started to segfault around
>> >> November 23.
>> >>
>> >> Bill
>> >> _______________________________________________
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>> >
>> >
>> >
>> > --
>> > William J. Schroeder, PhD
>> > Kitware, Inc.
>> > 28 Corporate Drive
>> > Clifton Park, NY 12065
>> > will.schroeder at kitware.com
>> > http://www.kitware.com
>> > (518) 881-4902
>>
>>
>>
>> --
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>
>
> --
> Ken Martin PhD
> Chairman & CFO
> Kitware Inc.
> 28 Corporate Drive
> Clifton Park NY 12065
> 518 371 3971
>
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-- 
Ken Martin PhD
Chairman & CFO
Kitware Inc.
28 Corporate Drive
Clifton Park NY 12065
518 371 3971

This communication, including all attachments, contains confidential and
legally privileged information, and it is intended only for the use of the
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