Difference between revisions of "Documentation/Labs/BRAINS and ITKv4 issue"

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This page documents the experiment done while trying to sort the issue causing BRAINS to crash when built within Slicer.
 
This page documents the experiment done while trying to sort the issue causing BRAINS to crash when built within Slicer.
  
 +
See this bug report: http://na-mic.org/Bug/view.php?id=3071
  
 
== Experiment Setup ==
 
== Experiment Setup ==
Line 18: Line 18:
 
== Experiment results ==
 
== Experiment results ==
  
* BRAINS standalone
+
<pre>
** ITKv4 tag:
 
** ITKv4 options: DCMTK disabled
 
** Result:
 
 
 
* BRAINS slicer
 
** ITKv4 tag:
 
** ITKv4 options: DCMTK disabled, EMsegment disabled
 
** Result:
 
 
 
 
=======================
 
=======================
 
[FAILED]
 
[FAILED]
Line 50: Line 41:
  
 
========================================
 
========================================
I have a separate build of Slicer available under a branch named "InstrumentForBRAINSFitFailures" at git@github.com:hjmjohnson/Slicer.git ( a version built on top of today's SlicerSVN)
+
I have a separate build of Slicer available under a branch named "InstrumentForBRAINSFitFailures" at  
 +
git@github.com:hjmjohnson/Slicer.git ( a version built on top of today's SlicerSVN)
  
This branch includes a version of BRAINSTools with a very small program that demonstrates the problem we are seeing in BRAINSFit.
+
This branch includes a version of BRAINSTools with a very small program that demonstrates the problem  
 +
we are seeing in BRAINSFit.
  
I still think there is something that is overwriting the vtable of this object, and that is the root cause of our problems, but I don't know how to continue debugging that guess.
+
I still think there is something that is overwriting the vtable of this object, and that is the root cause  
 +
of our problems, but I don't know how to continue debugging that guess.
  
  
Line 117: Line 111:
  
 
NOTE: NOTE: NOTE:  Line 59 of DebugSlicerCLI.cxx DOES NOT CALL "SetUpperBound" it calls "GetUpperBound",  and that is the same type of problem we are seeing in BRAINSFit.
 
NOTE: NOTE: NOTE:  Line 59 of DebugSlicerCLI.cxx DOES NOT CALL "SetUpperBound" it calls "GetUpperBound",  and that is the same type of problem we are seeing in BRAINSFit.
 +
</pre>

Latest revision as of 12:48, 22 April 2013

Home < Documentation < Labs < BRAINS and ITKv4 issue

This page documents the experiment done while trying to sort the issue causing BRAINS to crash when built within Slicer.

See this bug report: http://na-mic.org/Bug/view.php?id=3071

Experiment Setup

Here is the VERY simple program that is failing: https://github.com/BRAINSia/BRAINSTools/blob/SlicerDebugBRAINSFitInstrumentation/BRAINSFit/DebugSlicerProg.cxx

In my slicer build tree: /scratch/johnsonhj/src/Slicer-DEBUG/BRAINSTools (SlicerDebugBRAINSFitInstrumentation)

With git remove –v: origin git://github.com/BRAINSia/BRAINSTools.git (push)

And BRAINSTools hash 31beee592eba2d98655b864e6dc704ac9bf995e8

Experiment results

=======================
[FAILED]
Build Slicer:  Run Slicers version of Debug
johnsonhj@neuron$ /scratch/johnsonhj/src/Slicer-DEBUG/Slicer-build/bin/DebugSlicerProg
TESTING: STARTED
PRE : 9945 Segmentation fault: 11


=======================
[PASSED]

Build Stand Alone version of BRAINSTools using the same source code:

johnsonhj@neuron$ /scratch/johnsonhj/src/Slicer-DEBUG/BT_DEBUG/bin/DebugSlicerProg 
TESTING: STARTED
PRE : 9945 0
POST: 9945 9945
PRE : 9945 0
POST: 9945 9945
TESTING: STOPPED

========================================
I have a separate build of Slicer available under a branch named "InstrumentForBRAINSFitFailures" at 
git@github.com:hjmjohnson/Slicer.git ( a version built on top of today's SlicerSVN)

This branch includes a version of BRAINSTools with a very small program that demonstrates the problem 
we are seeing in BRAINSFit.

I still think there is something that is overwriting the vtable of this object, and that is the root cause 
of our problems, but I don't know how to continue debugging that guess.


This is mostly for my own note taking:
There are the experiments that I have done to try to figure out what the heck is going on:

"StandAlone Shared library build of BRAINSTools"
BSA_BASE=/scratch/johnsonhj/src/BT_FAILURED_SHARED/BT-DEBUG-SHARED/

"Slicer build of BRAINSTools"
SLICER_BASE=/Volumes/scratch/johnsonhj/src/Slicer-DEBUG

TEST #1:  [PASS]
===========================
BIN=${BSA_BASE}/bin/BRAINSFit
DYLD_LIBRARY_PATH=${BSA_BASE}/ITKv4-install/lib

TEST #2:  [PASS]
===========================
BIN=${SLICER_BASE}/Slicer-build/lib/Slicer-4.2/cli-modules/BRAINSFit
DYLD_LIBRARY_PATH=${BSA_BASE}/ITKv4-install/lib

TEST #3:  [FAIL]
===========================
BIN=${BSA_BASE}/bin/BRAINSFit
DYLD_LIBRARY_PATH=${SLICER_BASE}/ITKv4-build/lib

TEST #4:  [FAIL]
===========================
BIN=${SLICER_BASE}/Slicer-build/lib/Slicer-4.2/cli-modules/BRAINSFit
DYLD_LIBRARY_PATH=${SLICER_BASE}/ITKv4-build/lib

TEST #5: [FAIL]
================================
Build with DICOM support turned off.
BIN=${SLICER_BASE}/Slicer-build/lib/Slicer-4.2/cli-modules/BRAINSFit
DYLD_LIBRARY_PATH=${SLICER_BASE}/ITKv4-build/lib

TEST #6: [FAIL]
================================
Build minimum CLI based program to replicate the problem. 

When debugging TEST #6 I put a break point at:
/Volumes/scratch/johnsonhj/src/Slicer-DEBUG/BRAINSTools/BRAINSFit/DebugSlicerCLI.cxx   line 59
59├>      std::cout << "PRE : " << LBFGSBoptimizer->GetUpperBound().size() << " " << upperBound.size() << std::endl;


When stepping into the line, it reports segfault at line 209 of /Volumes/scratch/johnsonhj/src/Slicer-DEBUG/ITKv4/Modules/Numerics/Optimizers/src/itkLBFGSBOptimizer.cxx 
204│ void
205│ LBFGSBOptimizer
206│ ::SetUpperBound(
207│   const BoundValueType & value)
208│ {
209├>  m_UpperBound = value;
210│   if ( m_OptimizerInitialized )
211│     {
212│     m_VnlOptimizer->set_upper_bound(m_UpperBound);
213│     }
214│
215│   this->Modified();
216│ } 

NOTE: NOTE: NOTE:  Line 59 of DebugSlicerCLI.cxx DOES NOT CALL "SetUpperBound" it calls "GetUpperBound",  and that is the same type of problem we are seeing in BRAINSFit.