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Hello experts,

So I did not see brainmask.mgz in mri folder and it looked like reconall stopped at mri_em_register stage because I couldn't find talairach_with_skull.lt in transforms folder.

So I tried running mri_em_register again and got the following error:

mri_em_register -skull mri/nu.mgz $FREESURFER_HOME/average/RB_all_withskull_2016-05-10.vc700.gca transforms/talairach_with_skull.lta aligning to atlas containing skull, setting unknown_nbr_spacing = 5

== Number of threads available to mri_em_register for OpenMP = 1 == reading 1 input volumes... logging results to talairach_with_skull.log reading '/usr/local/freesurfer/average/RB_all_withskull_2016-05-10.vc700.gca'... average std = 22.9 using min determinant for regularization = 52.6 0 singular and 9002 ill-conditioned covariance matrices regularized reading 'mri/nu.mgz'... freeing gibbs priors...done. accounting for voxel sizes in initial transform bounding unknown intensity as < 8.7 or > 569.1 total sample mean = 77.6 (1399 zeros) ************************************************ spacing=8, using 3243 sample points, tol=1.00e-05... ************************************************ register_mri: find_optimal_transform find_optimal_transform: nsamples 3243, passno 0, spacing 8 resetting wm mean[0]: 100 --> 108 resetting gm mean[0]: 61 --> 61 input volume #1 is the most T1-like using real data threshold=10.0 skull bounding box = (46, 56, 29) --> (216, 255, 255) using (103, 122, 142) as brain centroid... mean wm in atlas = 108, using box (82,97,114) --> (123, 146,169) to find MRI wm before smoothing, mri peak at 73 robust fit to distribution - 72 +- 7.4 distribution too broad for accurate scaling - disabling WARNING2: gca.c::GCAhistoScaleImageIntensities: h_mri->nbins=100, mri_peak=108 after smoothing, mri peak at 0, scaling input intensities by inf GCAhistoScaleImageIntensities: could not find wm peak Numerical result out of range