Jon,

I tested this by completely removing XQuartz from my machine (which deletes /usr/X11/lib/libX11.6.dylib). I then ran freesurfer and got the same error as you.

I then reinstalled XQuartz, which restored the /usr/X11/lib/libX11.6.dylib file, reran freesurfer, and everything worked fine.

So are you sure you installed XQuartz? Perhaps there was a permissions issue during installation? After installing XQuartz you should have an /opt/X11 folder and a /usr/X11 symbolic link that points to /opt/X11... Does you system have both of those?

-Zeke

On 12/06/2013 12:42 PM, Jon Wieser wrote:

Hi freesurfer experts,

I've recnetly upgraded to freesurfer 5.3 (lion) 64bit version on our Mac Pro when I run trac-all -prep, I get the following error:

writing to /Studies/MJMRI/MJ0030/freesurfer/dmri/dwi_orig.nii.gz... mri_probedicom --i /Studies/MJMRI/MJ0030//s1869/i1560627.MRDC.1 > /Studies/MJMRI/MJ0030/freesurfer/dmri/dcminfo.dat Trace/BPT trap Darwin psy-blackbird.ad.uwm.edu 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64 x86_64

trac-preproc exited with ERRORS at Fri Dec 6 11:20:50 CST 2013

I've included the trac-all.log and trac-all.error file

the trac-all log indicates in incompatible library version:

Reason: Incompatible library version: mri_probedicom requires version 10.0.0 or later, but libX11.6.dylib provides version 9.0.0 Darwin psy-blackbird.ad.uwm.edu 10.8.0 Darwin Kernel Version 10.8.0: Tue Jun 7 16:32:41 PDT 2011; root:xnu-1504.15.3~1/RELEASE_X86_64 x86_64

I have reinstalled Xquartz and rebooted, but I still get the same error. what else can I do?

system info: mac pro 6-core intel Xeon MAc OS 10.6.8 snowleopard

Jon

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