1，run program on 2 pvserver；
2，then user client to connect pvserver，
3，open large datas to read
4，use right botton of mouse to call context menu，pvserver crashes，the flowing is stack
Stack trace:
43 0x4015f7 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/pvserver() [0x4015f7]
42 0x14f67906d555 __libc_start_main + 245
41 0x401562 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/pvserver() [0x401562]
40 0x14f67715075d vtkTCPNetworkAccessManager::ProcessEventsInternal(unsigned long, bool) + 541
39 0x14f6760ae672 vtkMultiProcessController::ProcessRMIs(int, int) + 290
38 0x14f6760ae040 vtkMultiProcessController::ProcessRMI(int, void*, int, int) + 336
37 0x14f67790b37e vtkPVSessionServer::OnClientServerMessageRMI(void*, int) + 270
36 0x14f677901e84 vtkPVSessionBase::ExecuteStream(unsigned int, vtkClientServerStream const&, bool) + 52
35 0x14f677902cbe vtkPVSessionCore::ExecuteStream(unsigned int, vtkClientServerStream const&, bool) + 62
34 0x14f677902e89 vtkPVSessionCore::ExecuteStreamInternal(vtkClientServerStream const&, bool) + 249
33 0x14f676c7deed vtkClientServerInterpreter::ProcessStream(vtkClientServerStream const&) + 29
32 0x14f676c7db06 vtkClientServerInterpreter::ProcessOneMessage(vtkClientServerStream const&, int) + 998
31 0x14f676c7d0aa vtkClientServerInterpreter::ProcessCommandInvoke(vtkClientServerStream const&, int) + 330
30 0x14f676c7cdfb vtkClientServerInterpreter::CallCommandFunction(char const*, vtkObjectBase*, char const*, vtkClientServerStream const&, vtkClientServerStream&) + 331
29 0x14f6781b6322 vtkPVRenderViewCommand(vtkClientServerInterpreter*, vtkObjectBase*, char const*, vtkClientServerStream const&, vtkClientServerStream&, void*) + 27810
28 0x14f671fb4d5e vtkPVRenderView::Select(int, int*, char const*) + 94
27 0x14f671f91943 vtkPVHardwareSelector::Select(int*) + 19
26 0x14f671f91916 vtkPVHardwareSelector::PrepareSelect() + 102
25 0x14f65ec59487 vtkHardwareSelector::CaptureBuffers() + 423
24 0x14f671fcc873 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/../lib/libvtkRemotingViews-pv5.9.so.1(+0x1ae873) [0x14f671fcc873]
23 0x14f6625d3da7 vtkGenericOpenGLRenderWindow::Render() + 119
22 0x14f662650ce1 vtkOpenGLRenderWindow::Render() + 81
21 0x14f65ecaab80 vtkRenderWindow::Render() + 208
20 0x14f65ecaa695 vtkRenderWindow::DoStereoRender() + 149
19 0x14f65ecbae7a vtkRendererCollection::Render() + 154
18 0x14f65ecb6132 vtkRenderer::Render() + 1666
17 0x14f6626559aa vtkOpenGLRenderer::DeviceRender() + 138
16 0x14f6625aca56 vtkCameraPass::Render(vtkRenderState const*) + 470
15 0x14f67205a3ee vtkIceTCompositePass::Render(vtkRenderState const*) + 750
14 0x14f6562f4531 icetDrawFrame + 65
13 0x14f6562f3bd2 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/../lib/libvtkIceTCore-pv5.9.so.1(+0xdbd2) [0x14f6562f3bd2]
12 0x14f656308bbd icetInvokeStrategy + 109
11 0x14f6563090e7 icetSequentialCompose + 407
10 0x14f6562f9d73 icetGetCompressedTileImage + 131
9 0x14f6562f88d1 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/../lib/libvtkIceTCore-pv5.9.so.1(+0x128d1) [0x14f6562f88d1]
8 0x14f6720586d7 /home/mahb01/BrAVe-1.0.0-Linux-Server-EGL/bin/../lib/libvtkRemotingViews-pv5.9.so.1(+0x23a6d7) [0x14f6720586d7]
7 0x14f6720583da vtkIceTCompositePass::Draw(vtkRenderState const*, vtkIceTCompositePass::IceTDrawParams const&) + 410
6 0x14f662652b10 vtkOpenGLRenderer::UpdateGeometry(vtkFrameBufferObjectBase*) + 2752
5 0x14f65ec59cde vtkHardwareSelector::Render(vtkRenderer*, vtkProp**, int) + 1006
4 0x14f65ec56c48 vtkHardwareSelector::ProcessPixelBuffers() + 344
3 0x14f6625ad67e vtkCompositePolyDataMapper2::ProcessSelectorPixelBuffers(vtkHardwareSelector*, std::vector<unsigned int, std::allocator<unsigned int> >&, vtkProp*) + 62
2 0x14f6625b0c2a vtkCompositeMapperHelper2::ProcessSelectorPixelBuffers(vtkHardwareSelector*, std::vector<unsigned int, std::allocator<unsigned int> >&, vtkProp*) + 170
1 0x14f6625aebd0 vtkCompositeMapperHelper2::ProcessCompositePixelBuffers(vtkHardwareSelector*, vtkProp*, vtkCompositeMapperHelperData*, std::vector<unsigned int, std::allocator<unsigned int> >&) + 2688
0 0x14f679081400 /lib64/libc.so.6(+0x36400) [0x14f679081400]
( 342.696s) [pvserver.0 ] :0 FATL| Signal: SIGSEGV
~