[Paraview] Why is PKdTree used for IMAGE Volume Rendering?

Thu Feb 12 15:24:55 EST 2009

On Thu, 2009-02-12 at 14:56 -0500, Utkarsh Ayachit wrote:
> Kevin,
> 
> The KdTree is still built (using the partitions from the structured
> dataset set itself -- hence isn't a very compute intensive task) just
> in case it's needed to partition any unstructured data, hence you're
> seeing the PKdTree progress. But I don't think that's where it is
> hanging. Is the progress bar saying PKtree:100 ?

No, it only made it to 58

>  It may actually have
> frozen in the volume rendering code. Is it possible to attach a
> debugger to any of the server processes and see where it's stuck
> (provide the stack trace if possible)?

Paraview stops completely as soon as I attach but here is the first bt
before it really hung up:

(gdb) bt
#0  vtkDataArrayTemplate<double>::DataChanged (this=0x2e89fa0)
    at /home/kevin/kitware/ParaView3/VTK/Common/vtkDataArrayTemplate.txx:1202
#1  0x00007f035a9cc221 in vtkPoints::SetPoint () at /home/kevin/kitware/ParaView3/VTK/Common/vtkPoints.h:126
#2  vtkImageData::GetCell (this=0x2e897d0, cellId=48799904)                                                 
    at /home/kevin/kitware/ParaView3/VTK/Filtering/vtkImageData.cxx:392                                     
#3  0x00007f035aa00bed in vtkKdTree::ComputeCellCenters (this=0x28853d0, set=0x0)                           
    at /home/kevin/kitware/ParaView3/VTK/Filtering/vtkKdTree.cxx:677                                        
#4  0x00007f035eee71eb in vtkPKdTree::MultiProcessBuildLocator (this=0x28853d0, volBounds=0x2e91140)        
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:498                                        
#5  0x00007f035eee7683 in vtkPKdTree::BuildLocator (this=0x28853d0)                                         
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:441                                        
#6  0x0000000000769725 in vtkKdTreeManager::Update (this=0x2877c50)                                         
    at /home/kevin/kitware/ParaView3/Servers/Filters/vtkKdTreeManager.cxx:143                               
#7  0x00000000078fc403 in vtkKdTreeManagerCommand (arlu=0x24cfac0, ob=0x2877c50, method=<value optimized out>, 
    msg=@0x7fff6aeabc10, resultStream=@0x24ceb40)                                                              
    at /home/kevin/kitware/ParaView3_Build/Servers/Filters/vtkKdTreeManagerClientServer.cxx:123                
#8  0x00007f035f40e36f in vtkClientServerInterpreter::ProcessCommandInvoke (this=0x24cfac0, css=@0x7fff6aeac080, 
    midx=0) at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:384        
#9  0x00007f035f41058e in vtkClientServerInterpreter::ProcessOneMessage (this=0x24cfac0, css=@0x7fff6aeac080,    
    message=0) at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:214     
#10 0x00007f035f4107fd in vtkClientServerInterpreter::ProcessStream (this=0x24cfac0, css=@0x7fff6aeac080)        
    at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:183                
#11 0x00000000001ae220 in vtkSelfConnection::ProcessStreamLocally (this=<value optimized out>,                   
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkSelfConnection.cxx:120            
#12 0x000000000015e7ca in vtkMPISelfConnection::SendStreamToServerNodeInternal (this=0x2985a40, remoteId=-1,     
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkMPISelfConnection.cxx:246         
#13 0x000000000015dc25 in vtkMPISelfConnection::SendStreamToDataServer (this=0x2e89fa0,                          
    stream=<value optimized out>) at /home/kevin/kitware/ParaView3/Servers/Common/vtkMPISelfConnection.cxx:215   
---Type <return> to continue, or q <return> to quit---
#14 0x000000000015fb87 in vtkProcessModuleConnection::SendStream (this=0x2985a40, servers=<value optimized out>,
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnection.cxx:225
#15 0x00000000001629a9 in vtkProcessModuleConnectionManager::SendStream (this=<value optimized out>,
    connectionID=<value optimized out>, serverFlags=1, stream=@0x7fff6aeac080, reset=1)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnectionManager.cxx:536
#16 0x000000000016a3ca in vtkProcessModule::SendStream (this=0x24d14c0, connectionID=1, server=1,
    stream=@0x7fff6aeac080, resetStream=1) at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:870
#17 0x000000000015ae85 in vtkClientConnectionRMI (remoteArg=0x2f1c3c0, remoteArgLength=<value optimized out>)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkClientConnection.cxx:57
#18 0x00007f035eebef2d in vtkMultiProcessController::ProcessRMI (this=0x28ed570,
    remoteProcessId=<value optimized out>, arg=0xfffffffffffffffe, argLength=0, rmiTag=938531)
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkMultiProcessController.cxx:551
#19 0x00007f035eebf90b in vtkMultiProcessController::ProcessRMIs (this=0x28ed570, reportErrors=0, dont_loop=1)
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkMultiProcessController.cxx:504
#20 0x00000000001aa236 in vtkRemoteConnection::ProcessCommunication (this=0x2876ba0)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkRemoteConnection.cxx:75
#21 0x0000000000163f25 in vtkProcessModuleConnectionManager::MonitorConnections (this=0x29a4a90,
    msec=<value optimized out>)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnectionManager.cxx:430
#22 0x0000000000169bee in vtkProcessModule::StartServer (this=0x24d14c0, msec=0)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:438
#23 0x000000000016b8ed in vtkProcessModule::Start (this=0x24d14c0, argc=1, argv=0x24ce8a0)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:349
#24 0x00000000007cd159 in vtkPVMain::Run (this=0x24d07a0, options=<value optimized out>)
    at /home/kevin/kitware/ParaView3/Servers/Filters/vtkPVMain.cxx:261
#25 0x000000000040138d in main (argc=2, argv=0x7fff6aeac6f8)
    at /home/kevin/kitware/ParaView3/Servers/Executables/pvserver.cxx:45

I detached and reattached once the system had started swapping and got a
second bt

(gdb) bt                                                                                                       
#0  0x00000036200845cf in memcpy () from /lib64/libc.so.6                                                      
#1  0x00007f035eee3411 in vtkPKdTree::PartitionSubArray (this=0x28853d0, L=<value optimized out>,              
    R=<value optimized out>, K=111325902, dim=0, p1=0, p2=1)                                                   
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:1336                                          
#2  0x00007f035eee3692 in vtkPKdTree::_select (this=0x28853d0, L=111235003, R=111418679, K=111325902, dim=0)   
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:961                                           
#3  0x00007f035eee37b7 in vtkPKdTree::_select (this=0x28853d0, L=0, R=222651803, K=111325902, dim=0)           
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:940                                           
#4  0x00007f035eee384e in vtkPKdTree::Select (this=0x7f02ae746f90, dim=0, L=0, R=<value optimized out>)        
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:984                                           
#5  0x00007f035eee5149 in vtkPKdTree::DivideRegion (this=0x28853d0, kd=0x2f1edf0, L=0, level=<value optimized out>, 
    tag=1) at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:777                                         
#6  0x00007f035eee68dd in vtkPKdTree::BreadthFirstDivide (this=0x28853d0, volBounds=0x2e91140)                      
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:651                                                
#7  0x00007f035eee72f0 in vtkPKdTree::MultiProcessBuildLocator (this=0x28853d0, volBounds=0x2e91140)                
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:536                                                
#8  0x00007f035eee7683 in vtkPKdTree::BuildLocator (this=0x28853d0)                                                 
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkPKdTree.cxx:441                                                
#9  0x0000000000769725 in vtkKdTreeManager::Update (this=0x2877c50)                                                 
    at /home/kevin/kitware/ParaView3/Servers/Filters/vtkKdTreeManager.cxx:143                                       
#10 0x00000000078fc403 in vtkKdTreeManagerCommand (arlu=0x24cfac0, ob=0x2877c50, method=<value optimized out>,      
    msg=@0x7fff6aeabc10, resultStream=@0x24ceb40)                                                                   
    at /home/kevin/kitware/ParaView3_Build/Servers/Filters/vtkKdTreeManagerClientServer.cxx:123                     
#11 0x00007f035f40e36f in vtkClientServerInterpreter::ProcessCommandInvoke (this=0x24cfac0, css=@0x7fff6aeac080,    
    midx=0) at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:384           
#12 0x00007f035f41058e in vtkClientServerInterpreter::ProcessOneMessage (this=0x24cfac0, css=@0x7fff6aeac080,       
    message=0) at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:214        
#13 0x00007f035f4107fd in vtkClientServerInterpreter::ProcessStream (this=0x24cfac0, css=@0x7fff6aeac080)           
---Type <return> to continue, or q <return> to quit---                                                              
    at /home/kevin/kitware/ParaView3/Utilities/VTKClientServer/vtkClientServerInterpreter.cxx:183                   
#14 0x00000000001ae220 in vtkSelfConnection::ProcessStreamLocally (this=<value optimized out>,                      
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkSelfConnection.cxx:120               
#15 0x000000000015e7ca in vtkMPISelfConnection::SendStreamToServerNodeInternal (this=0x2985a40, remoteId=-1,        
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkMPISelfConnection.cxx:246            
#16 0x000000000015dc25 in vtkMPISelfConnection::SendStreamToDataServer (this=0x7f02ae746f90,                        
    stream=<value optimized out>) at /home/kevin/kitware/ParaView3/Servers/Common/vtkMPISelfConnection.cxx:215      
#17 0x000000000015fb87 in vtkProcessModuleConnection::SendStream (this=0x2985a40, servers=<value optimized out>,    
    stream=@0x7fff6aeac080) at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnection.cxx:225      
#18 0x00000000001629a9 in vtkProcessModuleConnectionManager::SendStream (this=<value optimized out>,                
    connectionID=<value optimized out>, serverFlags=1, stream=@0x7fff6aeac080, reset=1)                             
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnectionManager.cxx:536                       
#19 0x000000000016a3ca in vtkProcessModule::SendStream (this=0x24d14c0, connectionID=1, server=1,                   
    stream=@0x7fff6aeac080, resetStream=1) at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:870 
#20 0x000000000015ae85 in vtkClientConnectionRMI (remoteArg=0x2f1c3c0, remoteArgLength=<value optimized out>)       
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkClientConnection.cxx:57                                      
#21 0x00007f035eebef2d in vtkMultiProcessController::ProcessRMI (this=0x28ed570,                                    
    remoteProcessId=<value optimized out>, arg=0x40e54afb41da325a, argLength=1088768763, rmiTag=938531)             
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkMultiProcessController.cxx:551                                 
#22 0x00007f035eebf90b in vtkMultiProcessController::ProcessRMIs (this=0x28ed570, reportErrors=0, dont_loop=1)      
    at /home/kevin/kitware/ParaView3/VTK/Parallel/vtkMultiProcessController.cxx:504                                 
#23 0x00000000001aa236 in vtkRemoteConnection::ProcessCommunication (this=0x2876ba0)                                
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkRemoteConnection.cxx:75                                      
#24 0x0000000000163f25 in vtkProcessModuleConnectionManager::MonitorConnections (this=0x29a4a90,
    msec=<value optimized out>)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModuleConnectionManager.cxx:430
#25 0x0000000000169bee in vtkProcessModule::StartServer (this=0x24d14c0, msec=0)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:438
---Type <return> to continue, or q <return> to quit---
#26 0x000000000016b8ed in vtkProcessModule::Start (this=0x24d14c0, argc=1, argv=0x24ce8a0)
    at /home/kevin/kitware/ParaView3/Servers/Common/vtkProcessModule.cxx:349
#27 0x00000000007cd159 in vtkPVMain::Run (this=0x24d07a0, options=<value optimized out>)
    at /home/kevin/kitware/ParaView3/Servers/Filters/vtkPVMain.cxx:261
#28 0x000000000040138d in main (argc=2, argv=0x7fff6aeac6f8)
    at /home/kevin/kitware/ParaView3/Servers/Executables/pvserver.cxx:45

-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: This is a digitally signed message part
URL: <http://www.paraview.org/pipermail/paraview/attachments/20090212/ef1dac44/attachment.pgp>