This is a strange problem we've been having with some mgz files that were generated during a short period of time last summer when there was a bug in the mgz writing code. What version of FS are you using? In the current dev version, this should not be a problem. A work-around is to convert the orig.mgz to itself using mri_convert in the dev environment, ie,
mri_convert orig.mgz orig.mgz doug Arno Klein wrote: > > i get the following memory allocation error for only one out of 20 > oasis subjects that i processed with freesurfer 5.1 on an ubuntu 11.10 > machine with 24gb memory: > > mris_register -curv subjects/OAS1_0061_MR1/surf/lh.sphere > templates_freesurfer/lh.KKI_2.tif > subjects/OAS1_0061_MR1/surf/lh.sphere_to_KKItemplate.reg > using smoothwm curvature for final alignment > $Id: mris_register.c,v 1.59 2011/03/02 00:04:33 nicks Exp $ > $Id: mrisurf.c,v 1.693.2.2 2011/04/27 19:21:05 nicks Exp $ > reading surface from subjects/OAS1_0061_MR1/surf/lh.sphere... > TAGskip: tag=1717658469, failed to calloc 1868656640 bytes! > Cannot allocate memory > > system information: > > FREESURFER_HOME: /usr/local/freesurfer > Build stamp: freesurfer-Linux-centos4_x86_64-stable-pub-v5.1.0 > Debian version: wheezy/sid > Kernel info: Linux 3.0.0-14-generic x86_64 > > cheers, > @rno > > ------------------------------------------------------------------------ > > _______________________________________________ > Freesurfer mailing list > Freesurfer@nmr.mgh.harvard.edu > https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer -- Douglas N. Greve, Ph.D. MGH-NMR Center gr...@nmr.mgh.harvard.edu Phone Number: 617-724-2358 Fax: 617-726-7422 Bugs: surfer.nmr.mgh.harvard.edu/fswiki/BugReporting FileDrop: www.nmr.mgh.harvard.edu/facility/filedrop/index.html _______________________________________________ Freesurfer mailing list Freesurfer@nmr.mgh.harvard.edu https://mail.nmr.mgh.harvard.edu/mailman/listinfo/freesurfer The information in this e-mail is intended only for the person to whom it is addressed. If you believe this e-mail was sent to you in error and the e-mail contains patient information, please contact the Partners Compliance HelpLine at http://www.partners.org/complianceline . If the e-mail was sent to you in error but does not contain patient information, please contact the sender and properly dispose of the e-mail.