Greg,

How much memory does the system have available at the time mris_volmask
is run?  It will consume about 1GB within a minute or two of starting,
and I know that the underlying code (VTK library) doesnt handle memory
alloc failures very gracefully.

If running this stage (-cortribbon) fails consistently on a subject,
perhaps i can supply you with a debug-built version of mris_volmask so
that it generates a core file with info on exactly where this is
segfaulting.  We've never been able to replicate this problem locally.

Nick

On Wed, 2009-05-13 at 14:42 -0500, Kirk Gregory R. wrote:
> Hi all,
>  
> I got in the recon-all log
>  
> #...@# Cortical ribbon mask Tue May 12 17:56:52 CDT 2009
> /home/gkirk/freesurfer/freesurfer/subjects/P21/mri
>  mris_volmask --label_left_white 2 --label_left_ribbon 3 --label_right_white 
> 41 --label_right_ribbon 42 --save_ribbon --save_distance P21 
> SUBJECTS_DIR is /home/gkirk/freesurfer/freesurfer/subjects
> Segmentation fault
> Linux debian01 2.6.26-1-amd64 #1 SMP Mon Dec 15 17:25:36 UTC 2008 x86_64 
> GNU/Linux
> recon-all exited with ERRORS at Tue May 12 18:10:33 CDT 2009
>  
> running
> build-stamp.txt: freesurfer-Linux-centos4_x86_64-stable-pub-v4.2.0
> Linux debian01 2.6.26-1-amd64 #1 SMP Mon Dec 15 17:25:36 UTC 2008 x86_64 
> GNU/Linux
>  
> 
> i have gotten 4 of these out of 21 ADNI data sets, I saw Nurunisa at Barry 
> Kosofsky's site reported
> this also and Nick ask here to send the data set. 11 Nov 2008,
>  
> got any info on this one ?, i am guessing it is a data quality issue that is 
> breaking something
> in an uncontrolled way.
>  
> thanks
>  
> Greg.
> 
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> 
> 

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