Hi Renat,

That 3rd defect is fairly large – normally it would hang but it’s possible 
you’re running out of memory. If you can zip the subject and file drop it to 
us, we can take a look:

https://surfer.nmr.mgh.harvard.edu/fswiki/FtpFileExchange

best,
Andrew

From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Yakupov, Renat /DZNE 
<renat.yaku...@dzne.de>
Date: Friday, April 30, 2021 at 11:49 AM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: [Freesurfer] Freesurfer 7 crashes during mris_fix_topology

        External Email - Use Caution

Dear all,



I have a subject whose Freesurfer processing crashes during topology fixing 
step. The last lines in `recon-all.log` are:


After retessellation of defect 2 (v0=22890), euler #=-15 (110444,329616,219157) 
: difference with theory (-18) = -3
CORRECTING DEFECT 3 (vertices=8808, convex hull=2020, v0=31369)
Segmentation fault (core dumped)
Linux compute-0-2.local 2.6.32-504.16.2.el6.x86_64 #1 SMP Wed Apr 22 06:48:29 
UTC 2015 x86_64 x86_64 x86_64 GNU/Linux
recon-all -s 81489f2bb-M12_T1_01 exited with ERRORS at Tue Apr 27 21:23:59 CEST 
2021
For the full `recon-all.log` and `recon-all.error` files please see the 
attached files.



I tried to follow the manual topology fixing instructions from MailScanner has 
detected a possible fraud attempt from "secure-web.cisco.com" claiming to be 
https://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/TopologicalDefect_freeview<https://secure-web.cisco.com/1CVb3gwDr9GTwil5kr7FQYCZpGmZhLu9ovxhkC6nEa1QhFJIx6eypmT0rYaI6M3eFoajm5UGJThFtpEwrTovzNAg_qegvhWDxcy-m6gpWYAx55QHi7-eJxrS108DfdnILY9yauaca2pTGvSgA9CrUOR9Twoqnu5o6E2uJ_bMuvqjHfdZuxVU9dNQ0n1Pi4WCFH3_4H6PQilZLYZai-fJAGrNEqr7pFG9jzwrssq82FVnCamJT0vmbbW9I27W_DE1vKkW9T7lo9aEi6hbNTu3rdg/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FFsTutorial%2FTopologicalDefect_freeview>,
 but *.white and *.pial surface files are missing from `surf` directory. It 
only contains these files:


lh.defect_borders  lh.defect_labels   lh.orig.nofix     lh.smoothwm.nofix  
rh.orig.nofix     rh.smoothwm.nofix
lh.defect_chull    lh.inflated.nofix  lh.qsphere.nofix  rh.inflated.nofix  
rh.qsphere.nofix
Which files can I use in place of white and pial surface files in order to look 
for WM segmentation defects?



Some additional information about the data:

- I am running Freesurfer 7.1

- overall, there are no gross errors in WM segmentation, although the subjects 
does have significant temporal lobe atrophy

- there are two images acquired at different times, and processing fails for 
both images

- interestingly, processing didnt crash with Freesurfer 6.

Thank you and have a great weekend,

Renat.


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