I decided to test against Rocky and CentOS Stream as they should have the same inconsistency as Alma (same libraries). The results are identical:

From: freesurfer-bounces@nmr.mgh.harvard.edu <freesurfer-bounces@nmr.mgh.harvard.edu> on behalf of fsbuild <fsbuild@contbay.com>
Date: Thursday, March 30, 2023 at 11:14 PM
To: freesurfer@nmr.mgh.harvard.edu <freesurfer@nmr.mgh.harvard.edu>
Subject: Re: [Freesurfer] HPC Usage - Moving On from CentOS7

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We don’t use Alma OS which I believe is somewhere downstream from the official RedHat CentOS8 Stream distribution, i.e., the libs may not be the same.  I also don’t see that RedHat CentOS8* releases include CentOS7 versions of libraries.

- R.

On Mar 30, 2023, at 12:12, Horn, Mitchell Jacob <MJHORN@mgh.harvard.edu> wrote:

As an update I’ve tested another run (bert, 7.2.0, no flags, recon-all) on an OS-8 system but set LD_PRELOAD to the 7 system’s libm.so:

export LD_PRELOAD=/alma/cos7lib/libm.so

recon-all ….

And that produced the equivalent results of all my CentOS7 runs:

<image002.png>

I believe this is very important information to the general community for stability with the imminent and inevitable switch to OS-8 HPC platforms.

Best,

Mitch

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