Yes, it might be a normalization issue. You could try using the `-no-ants-n4` 
recon-all flag to fallback to the v6 normalization method.

As for the wm edits, you don’t really need to load the surfaces, just the 
norm.mgz and wm.mgz, but if you wanted to visualize the initial smooth 
tessellation as well:

freeview -v mri/norm.mgz mri/wm.mgz:colormap=heat:opacity=0.5 -f 
surf/?h.smoothwm.nofix

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, May 7, 2021 at 6:00 AM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Freesurfer 7 crashes during mris_fix_topology

        External Email - Use Caution

Hi Andrew,



thank you for looking at the data!



I did check out that tutorial first, and the first thing it tells you to do is 
load various surfaces into Freeview, which was what brought me here. In this 
subject's `surf` directory there are no ?h.white and ?h.pial surface files. 
Which files can I use instead in order to see the white matter surface and look 
for those defects?



It is also interesting, that the processing didnt fail in Freesurfer 6. Looking 
at the release notes, one of the changes was using N4 bias-field correction 
instead of N3. Do you think this might mean that N4's inadequate bias-field 
correction led to broken-up segmented white matter, which in turn caused larger 
topological defects?


Best wishes,

Renat.



________________________________
From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Hoopes, Andrew 
<ahoo...@mgh.harvard.edu>
Sent: Friday, May 7, 2021 5:01 AM
To: Freesurfer support list
Subject: Re: [Freesurfer] Freesurfer 7 crashes during mris_fix_topology


Hi Renat,



The third defect is too large and it’s causing a crash. When I run it, it hangs 
forever at:



    CORRECTING DEFECT 3 (vertices=8808, convex hull=2020, v0=31369)

    An extra large defect has been detected...

    This often happens because cerebellum or dura has not been removed from 
wm.mgz.

    This may cause recon-all to run very slowly or crash.



There are huge gaps missing in this subject’s white matter mask, resulting in a 
bad surface tessellation (see attached pic). I would check out the info at 
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/12gT4H7XBsnxMWWCG4F8T4qJBE2PnbITfcdxpaBTxDgzaZPjHt1Catp497o4oUcQVkGOLdV1H5oPZEhAnsBEWow0_4VGH6FsatlW_uUq3bBc-hRCpHluu5XhEuB-KQOMYmA6arEafPIf63cVVzOyZIn4hG1sVKMtcFUPlyUovEhCmOtR0jOZIyYiy7FQeC2_hSbRngcTvJKSaaE9nCnXO2Law1dP6lPrceor8a4XTA3T_mew60k5qF8QD5Vmg2YWpbOhlp1IWt2BeJQ0sfT1yQQ/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FFsTutorial%2FTopologicalDefect_freeview>
 and fill in the wm.mgz to manually edit.



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: Thursday, May 6, 2021 at 4:21 AM
To: Freesurfer support list <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] Freesurfer 7 crashes during mris_fix_topology

        External Email - Use Caution

Hi Andrew,



thank you for your reply. I just uploaded the subject's directory under the 
name "subject_from_RenatYakupov.tar.gz".



Regarding memory, I am running these jobs on our SGE cluster, which monitors 
memory usage. Both of the subject's images had maximum memory usage of slightly 
over 3GB, which is pretty typical from my experience. Interestingly, when 
processed with Freesurfer 6, which didnt crash and finished successfully, the 
maximum memory usage was around 11GB.



Thanks again and looking forward to your findings 😊



Best wishes,

Renat.

________________________________

From: freesurfer-boun...@nmr.mgh.harvard.edu 
<freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Hoopes, Andrew 
<ahoo...@mgh.harvard.edu>
Sent: Wednesday, May 5, 2021 7:51 PM
To: Freesurfer support list
Subject: Re: [Freesurfer] Freesurfer 7 crashes during mris_fix_topology



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:



MailScanner has detected a possible fraud attempt from "secure-web.cisco.com" 
claiming to be 
https://surfer.nmr.mgh.harvard.edu/fswiki/FtpFileExchange<https://secure-web.cisco.com/1u2I9K-ckbULcDN4h-_ZdylX5n2vBBOMX6EHfWnDs7-xWZI3mqQdWi7HFoMKz9tdNYKjuWfN_Nan4JpJGREsnwmGq3yxwMImknbbPMfasAVeeqV3mWyJDJQbZi7QtsM0L44JYsK6UYk_wuuwEf_p_Ed5vbQFvnR_qkoiA75YR3ueRivLu1VsrmbDCfIglg4xLUeLcU3w4JopYBtaAk1pJe5CQJ-Nwjy6wxShFB-45MwaCw2xP54Ka9a36Silz4XoVQFam74VwOrlnybPLjm3TGQ/https%3A%2F%2Fsurfer.nmr.mgh.harvard.edu%2Ffswiki%2FFtpFileExchange>



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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