[Qt-interest] Fwd: QT OpenCascade application Problem

[Sujan Dasmahapatra]

>
> Please help me to sort this problem.
> check the backtrace.
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>  Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread 183011805216 (LWP 18689)]
>
> 0x0000002a95685323 in Handle_Standard_Transient::EndScope ()
>    from /share/apps/OpenCASCADE6.3.0/Linux/lib/libTKernel.so.0
> (gdb) backtrace
> #0  0x0000002a95685323 in Handle_Standard_Transient::EndScope ()
>
>    from /share/apps/OpenCASCADE6.3.0/Linux/lib/libTKernel.so.0
> #1  0x0000002a956853bf in Handle_Standard_Transient::Assign ()
>
>    from /share/apps/OpenCASCADE6.3.0/Linux/lib/libTKernel.so.0
> #2  0x0000000000417fbb in Handle_Graphic3d_GraphicDevice::operator=
> (this=0x53c088, anItem=0x20007880)
>     at
> /share/apps/OpenCASCADE6.3.0/inc/Handle_Graphic3d_GraphicDevice.hxx:61
> #3  0x00000000004167c8 in DocumentCommon::Viewer (this=0x6a56b0,
> aDisplay=0x7fbffffeec ":1008.0",
>     aName=0x20007868, aDomain=0x42c03f "", ViewSize=1000,
> ViewProj=V3d_XposYnegZpos, ComputedMode=1,
>     aDefaultComputedMode=1) at src/DocumentCommon.cpp:32
> #4  0x0000000000416bcc in DocumentCommon (this=0x6a56b0, theIndex=1,
> app=0x6a7c50)
>     at src/DocumentCommon.cpp:53
> #5  0x00000000004154ca in ApplicationCommonWindow::onNewDoc (this=0x6a7c50)
>     at src/ApplicationCommon.cpp:381
> #6  0x000000000042a323 in ApplicationCommonWindow::qt_metacall
> (this=0x6a7c50,
>     _c=QMetaObject::InvokeMetaMethod, _id=0, _a=0x7fbfffd4a0) at
> Linux/src/moc_ApplicationCommon.cpp:85
> #7  0x000000000042a051 in ApplicationWindow::qt_metacall (this=0x6a7c50,
>     _c=QMetaObject::InvokeMetaMethod, _id=31, _a=0x7fbfffd4a0) at
> Linux/src/moc_Application.cpp:64
> #8  0x0000002a9c03764f in QMetaObject::activate (sender=0x6bcac0,
> from_signal_index=9,
>     to_signal_index=10, argv=0x7101a0) at kernel/qobject.cpp:3022
> #9  0x0000002a9b5b1536 in QAction::activated (this=0xfefd0000, _t1=Variable
> "_t1" is not available.
> )
>     at .moc/release-shared/moc_qaction.cpp:236
> #10 0x0000002a9b5b1889 in QAction::activate (this=0x6bcac0, event=Variable
> "event" is not available.
> ) at kernel/qaction.cpp:1128
> #11 0x0000002a9b90b1a6 in QAbstractButtonPrivate::click (this=0x6c7d80)
>     at widgets/qabstractbutton.cpp:520
> #12 0x0000002a9b90b431 in QAbstractButton::mouseReleaseEvent
> (this=0x6c6f80, e=0x7fbfffdc60)
>     at widgets/qabstractbutton.cpp:1110
>
> ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>
>   On Thu, Nov 26, 2009 at 7:24 PM, Srdjan Todorovic <
> todorovic.s at googlemail.com> wrote:
>
>> Hi,
>>
>> On 26/11/2009, Sujan Dasmahapatra <sujan.dasmahapatra at gmail.com> wrote:
>> > On Thu, Nov 26, 2009 at 4:54 PM, Sujan Dasmahapatra <
>> > sujan.dasmahapatra at gmail.com> wrote:
>> >
>> >> yes srdjan thanx now its working i am getting some errors even when i
>> >> debug
>> >> the sample opencascade.The sample after compilation is not working when
>> i
>> >> debug i am its crashing at this line.
>>
>> >> static Handle(Graphic3d_GraphicDevice) defaultdevice;
>>
>> What is this? Is this a variable or a pointer?
>>
>> >>     if( defaultdevice.IsNull() )
>> >>         defaultdevice = new Graphic3d_GraphicDevice( aDisplay );  //
>> here
>> >> its crashing
>>
>> Because that does not seem OK if defaultdevice is not a pointer.
>>
>> Also, SegfaultFaultFinding rules apply.
>>
>> So:
>>   - full stack frame trace
>>   - printouts of any relevant variables (at least defaultdevice and
>> aDisplay)
>>
>> You can use this information to diagnose the problem.
>>
>> Srdjan
>>
>>
>> >>
>> /////////////////////////////////////////////////////////////////////////////////////////////////////////////////
>> >> //errors
>> >> Program received signal SIGSEGV, Segmentation fault.
>> >> 0x0000002a95685323 in Handle_Standard_Transient::EndScope ()
>> >>    from /share/apps/OpenCASCADE6.3.0/Linux/lib/libTKernel.so.0
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>>
>
>
>
>  --
> Thanks & Regards
> S. Dasmahapatra
> B.E. (Aeronautics-Aerodynamics)
> Software programmer
> Bangalore, India
> Ph:91-9900839788
> Office:91-80-66470248
> mail id : sujan.dasmahapatra at gmail.com
>



-- 
Thanks & Regards
S. Dasmahapatra
B.E. (Aeronautics-Aerodynamics)
Software programmer
Bangalore, India
Ph:91-9900839788
Office:91-80-66470248
mail id : sujan.dasmahapatra at gmail.com
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