[GRASS-dev] [GRASS GIS] #1710: Segfault in r.proj

GRASS GIS trac at osgeo.org
Sat Aug 25 03:15:05 PDT 2012


#1710: Segfault in r.proj
----------------------------+-----------------------------------------------
 Reporter:  huhabla         |       Owner:  grass-dev@…              
     Type:  defect          |      Status:  new                      
 Priority:  major           |   Milestone:  7.0.0                    
Component:  Raster          |     Version:  svn-trunk                
 Keywords:  r.proj, openmp  |    Platform:  Linux                    
      Cpu:  x86-64          |  
----------------------------+-----------------------------------------------

Comment(by mmetz):

 Replying to [ticket:1710 huhabla]:
 > I have found a reproducible but irregular appearing segfault in r.proj
 when using several threads. Looks like an OpenMP race condition?
 > This error is not reproducible with OMP_NUM_THREADS=1.

 I have disabled parallelization in r52882. It worked in my tests, but that
 was apparently pure luck. Maybe a separate cache for each thread is
 needed.

 Markus M

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Ticket URL: <http://trac.osgeo.org/grass/ticket/1710#comment:2>
GRASS GIS <http://grass.osgeo.org>



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