mriconvert: mriconvert stops in ubuntu

[Shimono Masanori]

Dear MRIConvert team,

Now, we are running "mri_convert" like [A], but, it stops after running
20min after processing like [B].

Could you give comments how we can solve this issue?
The enviroment is Ubuntu 14.04 on VirtualBox.

We tested mriconvert ver. 2.0 and the newest one.

If any more information is necessary, please ask easily.
Sincerely.
MS

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Ref. [A] --
mri_convert --frame 0 -voxsize 1.000000 1.000000 1.000000 --input_volume
/media/sf_H_DRIVE/CMP_data/project02_dsi/PH0005/tp1/NIPYPE/diffusion_pipeline/preprocessing_stage/eddy_correct/eddy_corrected.nii.gz
--output_volume diffusion_first.nii.gz

Ref. [B] --
mri_convert --frame 0 -voxsize 1.000000 1.000000 1.000000 --input_volume
/media/sf_H_DRIVE/CMP_data/project02_dsi/PH0005/tp1/NIPYPE/diffusion_pipeline/preprocessing_stage/eddy_correct/eddy_corrected.nii.gz
--output_volume diffusion_first.nii.gz
$Id: mri_convert.c,v 1.179.2.7 2012/09/05 21:55:16 mreuter Exp $
reading from
/media/sf_H_DRIVE/CMP_data/project02_dsi/PH0005/tp1/NIPYPE/diffusion_pipeline/preprocessing_stage/eddy_correct/eddy_corrected.nii.gz...

TR=1000.00, TE=0.00, TI=0.00, flip angle=0.00
i_ras = (-1, 0, 0)
j_ras = (0, -1, 0)
k_ras = (0, 0, 1)
Reslicing using trilinear interpolation
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