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Hi Joel, How did you generate the design and contrast files? Did you use a Windows computer by any chance...? Also, what happens if you remove options such as -D, -T, and --twopass? All the best, Anderson On 20 February 2018 at 11:54, Bruss, Joel E <[log in to unmask]> wrote: > Hello- > > I'm trying to run randomise and keep getting a segmentation fault. It's > probably something obvious and apologies if it is. > > I'm using fsl 5.0.10, Linux. > > My input file is 256 x 256 x 252 x 41 > > I created the 4D file in the same order that my mat/con files are in and > have verified that the number of entries and number of subs match. For the > mat file, NumPoints is listed as 41. My template mask matches the x/y/z > dimensions of the input 4D file. My groups and covariates look fine, my > contrasts are just G1 > G2, G2 > G1. > > My randomise command is the following: > > randomise -i group4D -o twoSampT -d design.mat -t design.con -m > groupTemplate_mask.nii.gz -T -D -n 5000 -x --twopass > > #I've tried this with and without the "-x" option and get the same error. > > I've run the command in the directory where all of the data lives, I've > also tried setting paths, both with the same error. Every time I've run > this, it fails at exactly permutation 742. It doesn't matter with machine > I use, or which version of fsl (I even tried this on 5.0.2.2). I have a > system monitor up and can verify that RAM never goes above ~8 GB (of 16). > > I've tried searching prior JISCMail threads but I only found two relevant > posts, one pointing a time dimension larger than x/y/z and another pointing > to a missing flag/argument. It's definitely not the former but possibly > the latter? What am I missing in my command or what shouldn't be there? > Many thanks in advance. > > -Joel > > > > ------------------------------ > Notice: This UI Health Care e-mail (including attachments) is covered by > the Electronic Communications Privacy Act, 18 U.S.C. 2510-2521 and is > intended only for the use of the individual or entity to which it is > addressed, and may contain information that is privileged, confidential, > and exempt from disclosure under applicable law. If you are not the > intended recipient, any dissemination, distribution or copying of this > communication is strictly prohibited. If you have received this > communication in error, please notify the sender immediately and delete or > destroy all copies of the original message and attachments thereto. Email > sent to or from UI Health Care may be retained as required by law or > regulation. Thank you. > ------------------------------ >