Print

Print


Recently, I've noticed this intermittent problem when I run prestats  
on our cluster. The end result is either an empty filtered_func_data,  
or the prestats just crashes and I only have example_func, but no  
filtered_func. When I run the same data on my local computer,  
everything works fine. Does this error suggest some kind of memory  
problem on our cluster?

I am pasting the results of the report_log file for the prestats  
section.

Thanks for your help!

ted



Prestats

Total original volumes = 240
Deleting 3 volume(s) - BE WARNED for future analysis!

/common/fsl/bin/fslroi /data/tyanagihara/x_ch81/s1/r3/r3  
prefiltered_func_data 3 237

/common/fsl/bin/fslroi prefiltered_func_data example_func 118 1

/common/fsl/bin/mcflirt -in prefiltered_func_data -out  
prefiltered_func_data_mcf -mats -plots -refvol 118 -rmsrel -rmsabs

/bin/mkdir -p mc ; /bin/mv -f prefiltered_func_data_mcf.mat  
prefiltered_func_data_mcf.par prefiltered_func_data_mcf_abs.rms  
prefiltered_func_data_mcf_abs_mean.rms  
prefiltered_func_data_mcf_rel.rms  
prefiltered_func_data_mcf_rel_mean.rms mc

/common/fsl/bin/fsl_tsplot -i prefiltered_func_data_mcf.par -t  
'MCFLIRT estimated rotations (radians)' -u 1 --start=1 --finish=3 -a  
x,y,z -w 640 -h 144 -o rot.png

/common/fsl/bin/fsl_tsplot -i prefiltered_func_data_mcf.par -t  
'MCFLIRT estimated translations (mm)' -u 1 --start=4 --finish=6 -a  
x,y,z -w 640 -h 144 -o trans.png

/common/fsl/bin/fsl_tsplot -i  
prefiltered_func_data_mcf_abs.rms,prefiltered_func_data_mcf_rel.rms - 
t 'MCFLIRT estimated mean displacement (mm)' -u 1 -w 640 -h 144 -a  
absolute,relative -o disp.png

/common/fsl/bin/slicetimer -i prefiltered_func_data_mcf -- 
out=prefiltered_func_data_st -r 2 --odd

/common/fsl/bin/bet prefiltered_func_data_st  
prefiltered_func_data_bet -F
++ WARNING: nifti_read_buffer(prefiltered_func_data_st.nii.gz):
    data bytes needed = 442368
    data bytes input  = 409238
    number missing    = 33130 (set to 0)
++ WARNING: nifti_read_buffer(prefiltered_func_data_st.nii.gz):
    data bytes needed = 442368
    data bytes input  = 409238
    number missing    = 33130 (set to 0)

/common/fsl/bin/fslmaths prefiltered_func_data_bet -thrp 10 -Tmin - 
bin mask -odt char

/common/fsl/bin/fslmaths prefiltered_func_data_bet -mas mask  
prefiltered_func_data_bet

/common/fsl/bin/fslmaths mask -kernel gauss 2.12314225053 -fmean  
mask_weight -odt float

/common/fsl/bin/fslmaths prefiltered_func_data_bet -kernel gauss  
2.12314225053 -fmean -div mask_weight -mas mask filtered_func_data - 
odt float

/common/fsl/bin/fslmaths filtered_func_data -ing 10000  
filtered_func_data -odt float
ERROR:: Empty mask image
ERROR:: Empty mask image
... <This error is repeated a few hundred times>
ERROR:: Empty mask image
ERROR:: Empty mask image

/common/fsl/bin/fslmaths filtered_func_data -Tmean mean_func

/bin/rm -rf prefiltered_func_data*