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Hello FreeSurfer Developers,

I am helping a researcher in my department run FreeSurfer on a new computer. They insist that it should run on FreeSurfer 4.5 because their old system ran that version. Is the following possible? We can run FreeSurfer 6.0 fine, but they say there are differences between the versions.

1. FreeSurfer version: freesurfer-Linux-centos4_x86_64-stable-pub-v4.5.0-full
2. Platform: Ubuntu 18.04.1 LTS
3. uname -a: Linux clps-pb1 4.15.0-64-generic #73-Ubuntu SMP Thu Sep 12 13:16:13 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux
4. recon-all.log: n/a Segmentation Fault - see below

(base) root@clps-pb1:/var/tmp# cd freesurfer4 (base) root@clps-pb1:/var/tmp/freesurfer4# ls ASegStatsLUT.txt DefectLUT.txt FreeSurferEnv.sh mni Simple_surface_labels2009.txt AUTHORS diffusion fsafd SegmentNoLUT.txt subjects average docs fsfast sessions tkmeditParcColorsCMA bin FreeSurferColorLUT.txt lib SetUpFreeSurfer.csh build-stamp.txt FreeSurferEnv.csh matlab SetUpFreeSurfer.sh (base) root@clps-pb1:/var/tmp/freesurfer4# export FREESURFER_HOME=/var/tmp/freesurfer4 (base) root@clps-pb1:/var/tmp/freesurfer4# source $FREESURFER_HOME/SetUpFreeSurfer.sh -------- freesurfer-Linux-centos4_x86_64-stable-pub-v4.5.0 -------- Setting up environment for FreeSurfer/FS-FAST (and FSL) FREESURFER_HOME /var/tmp/freesurfer4 FSFAST_HOME /var/tmp/freesurfer4/fsfast FSF_OUTPUT_FORMAT nii SUBJECTS_DIR /var/tmp/freesurfer4/subjects MNI_DIR /var/tmp/freesurfer4/mni (base) root@clps-pb1:/var/tmp/freesurfer4# cd .. (base) root@clps-pb1:/var/tmp# cd f4 bash: cd: f4: No such file or directory (base) root@clps-pb1:/var/tmp# mkdir f4 (base) root@clps-pb1:/var/tmp# cd f4 (base) root@clps-pb1:/var/tmp/f4# ls (base) root@clps-pb1:/var/tmp/f4# export SUBJECTS_DIR=/var/tmp/f4 (base) root@clps-pb1:/var/tmp/f4# cp $FREESURFER_HOME/subjects/sample-001.mgz . (base) root@clps-pb1:/var/tmp/f4# ls -lrt total 6136 -rw-r--r-- 1 root root 6280209 Nov 19 15:13 sample-001.mgz (base) root@clps-pb1:/var/tmp/f4# mri_convert sample-001.mgz sample-001.nii.gz mri_convert sample-001.mgz sample-001.nii.gz $Id: mri_convert.c,v 1.146.2.5 2009/04/08 18:40:23 nicks Exp $ reading from sample-001.mgz... Segmentation fault (core dumped) (base) root@clps-pb1:/var/tmp/f4#

Thanks,

Paulo