# Total Segmentor error ( slow segmentation mode)

**URL:** <https://discourse.slicer.org/t/total-segmentor-error-slow-segmentation-mode/27533>\
**Category:** Support\
**Tags:** segmentation\
**Created:** [January 30, 2023, 5:08am UTC](https://discourse.slicer.org/t/total-segmentor-error-slow-segmentation-mode/27533 "2023-01-30T05:08:25Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![Chuns\_SS](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/chuns_ss/32/10007_2.png) [@Chuns\_SS](https://discourse.slicer.org/u/Chuns_SS)\
**Post date:** [January 30, 2023, 5:08am UTC](https://discourse.slicer.org/t/total-segmentor-error-slow-segmentation-mode/27533/1 "2023-01-30T05:08:25Z")

</div>

I’m getting the following error using slower long segmentation mode. Fast seems ok.  
I’m on a linux Ubuntu 22.04 platform Nvidia rtx 3060, cuda 11.8 cudnn 8.7.0. Git installed

ReferenceImageExtentOffset attribute was not found in NRRD segmentation file. Assume no offset.

Traceback (most recent call last):  
File “/home/sam/Slicer-5.3.0-2023-01-28-linux-amd64/NA-MIC/Extensions-31553/TotalSegmentator/lib/Slicer-5.3/qt-scripted-modules/TotalSegmentator.py”, line 264, in onApplyButton  
self.logic.process(self.ui.inputVolumeSelector.currentNode(), self.ui.outputSegmentationSelector.currentNode(),  
File “/home/sam/Slicer-5.3.0-2023-01-28-linux-amd64/NA-MIC/Extensions-31553/TotalSegmentator/lib/Slicer-5.3/qt-scripted-modules/TotalSegmentator.py”, line 749, in process  
self.logProcessOutput(proc)  
File “/home/sam/Slicer-5.3.0-2023-01-28-linux-amd64/NA-MIC/Extensions-31553/TotalSegmentator/lib/Slicer-5.3/qt-scripted-modules/TotalSegmentator.py”, line 656, in logProcessOutput  
raise CalledProcessError(retcode, proc.args, output=proc.stdout, stderr=proc.stderr)  
subprocess.CalledProcessError: Command ‘[’/home/sam/Slicer-5.3.0-2023-01-28-linux-amd64/bin/…/bin/PythonSlicer’, ‘/home/sam/Slicer-5.3.0-2023-01-28-linux-amd64/lib/Python/bin/TotalSegmentator’, ‘-i’, ‘/tmp/Slicer-sam/\_\_SlicerTemp\_\_2023-01-30\_01+05+23.185/total-segmentator-input.nii’, ‘-o’, ‘/tmp/Slicer-sam/\_\_SlicerTemp\_\_2023-01-30\_01+05+23.185/segmentation’, ‘–ml’, ‘–task’, ‘total’]’ returned non-zero exit status 120.

Any help most appreciated.