Hello, This error occurs because the float-128 data type is not supported on Apple ARM chips.
You can try running the nightly dev build for Mac available here: https://surfer.nmr.mgh.harvard.edu/pub/dist/freesurfer/dev/freesurfer-macOS-darwin_arm64-dev.pkg But please note that this is an unstable and not an official release. Best, Jackson ________________________________ From: freesurfer-boun...@nmr.mgh.harvard.edu <freesurfer-boun...@nmr.mgh.harvard.edu> on behalf of Martin Juneja <mj70...@gmail.com> Sent: Wednesday, February 7, 2024 5:05 PM To: Iglesias Gonzalez, Juan E. <jiglesiasgonza...@mgh.harvard.edu>; Freesurfer support list <freesurfer@nmr.mgh.harvard.edu> Subject: [Freesurfer] Synthsr command ! External Email - Use Caution Dear Juan and FreeSurfer developers, I am trying to run the mri_synthsr command on a MacPro M2 Max chip (OS 13.6.4) - but somehow, I am getting the following error when I try to run this command. I am using FreeSurfer's 7.4.1 version. Illegal instruction: 4 I would greatly appreciate any help in getting this resolved. Thanks.
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