External Email - Use Caution        

I would look for the core file under /var/crash as close to the time to the 
command failure and see what it says.
Signal 11 is a segmentation violation meaning invalid memory access.  It 
could be that a VM on your machine does not have enough memory to run 
recon-all.     Or I assume the 32G RAM listed below is the total 
physical RAM on the machine and the VM has some portion of that assigned to it. 
  If you did not assign the VM say 16G-24G of RAM out of that 32G total, 
then it might be having a memory issue.  You could try not running 
anything else on the machine, giving the VM 24G and that would leave 8G for the 
host machine.   You could also try giving the VM 4 out of the 16 CPUs as 
well.
- R.
On Feb 6, 2024, at 00:39, Yp Ben <benyoup...@gmail.com> 
wrote:        External Email - Use 
Caution        Hello FreeSurfer 
Developers,I'm want to run HCP T1W data of recon-all , but it always failed on 
step " WhitePreAparc lh", below is my run information:OS: Ubuntu 22.04.2 
LTSMEM: 32GCPU: 16….Command terminated by signal 11...Check the core dump file 
under /var/crash...I use 3 different VMs to run the same sample with different 
freesurfer versions , 2 are 7.4.1 and another one is 7.2 , but always failed on 
this step , I don't know what's the reason cause this failed , can you please 
help to have a look ? Thanks a lot 
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