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Hi, I just asked the sysadmin to address this issue (about changing the memory limit per process) and I need more information about what specific paramater needs to be changed in the kernel. We currently use kernel 2.4.22-1.2188.nptlsmp on Fedora Core 1. Thanks, Mike > Date: Thu, 2 Dec 2004 09:11:13 +0000 > From: Stephen Smith <[log in to unmask]> > Subject: Re: error in film_gls processing during FEAT due to large data file > > Hi - yes, this is mentioned every now and then; this is probably because > of the 2GB limit for a given process in some linux kernels. The first > thing to try is to get your sysadmin to change this limit in the kernel > tuning if possible. > > Cheers. > > > On Wed, 1 Dec 2004, Mike Patterson wrote: > > > Hi all, > > I've searched through the list, but I didn't find a specific answer > > to the problem I keep getting where film_gls does not create all the > > files correctly if the data file is too big. This data file is about > > 1300 images and 181 Mb in compressed nifti format. I have 2Gb of RAM and > > 4Gb of swap space running on Linux Red Hat Fedora 1 and FSL 3.2. Has > > anyone successfully processed large data sets? FEAT works fine for smaller > > image sets and successfully ran the FEEDS data on this computer. > > Do I have to break up the data in some way before using FEAT? > > > > thanks, > > > > Mike > > > > p.s. The exact error messages outputted in FEAT are listed below: > > > > /usr/local/fsl/bin/contrast_mgr stats design.con > > ** ERROR: nifti_image_read(stats/sigmasquareds): can't open header file > > ** ERROR: nifti_image_open(stats/sigmasquareds): bad header info > > Error: failed to open file stats/sigmasquareds > > Error:: FslGetDim: Null pointer passed for FSLIO > > > >