[Mrtrix-discussion] memmory-mapping failed massega

[Danilo Scelfo]

Hello to moderator,
the following should be a reply to the message of * Donald Tournier* *Mon
Jun 20 17:55:33 PDT 2011*

Hello,

I'm experiencing a similar issue using the command:

dwi2tensor DWIecc.nii -grad /path/to/encoding64dir.b3000.txt tensor.mif

and getting the error:

dwi2tensor: memmory-mapping failed for file "./tensor.mif": Invalid argument

I'm running MRtrix on a virtual Linux Ubuntu 10.04 64bit machine on a guest
Mac OSX 64bit system.
The same commands were correctly running on a virtual Linux Ubuntu 10.10
64bit machine on a guest CentOS 5.5 64bit system.
Could the different Ubuntu version be the cause? Gradient file is correctly
formatted as I'm able to perform tractography using the same file with
streamtrack.

Can you help me with such a issue?
Thanks in advance,

Danilo Scelfo



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