George,

I am unable to replicate this problem, but I see you are using Fedora Core 8, which is an OS we do not have to test. Can you try this tksurfer:

ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/fsdev/nicks/centos4_x86_64

Copy tksurfer.bin to your $FREESURFER_HOME/bin (after renaming your existing one to something else). Then type chmod a+x tksurfer.bin

This has debug symbols built-in. If a core file is generated, send it to me via the filedrop:

https://www.nmr.mgh.harvard.edu/facility/filedrop/index.html

Nick

On Wed, 2008-01-30 at 15:57 -0500, George He wrote:

Hi,

I am following the tutorial http://surfer.nmr.mgh.harvard.edu/fswiki/FsTutorial/OverlayFeatStatisticalMa... At this command, tksurfer bert lh inflated - overlay ./fbert1.feat/stats/zstat1.nii.gz -overlay- reg ./fbert1.feat/reg/freesurfer/anat2exf.register.dat -fthresh 2.3 -fmid 3.3 -fslope 1 -annot aparc.annot tksurfer runs OK but when I click on any button between "show curvature" and "draw outlined labels", it crashes and gives this error:

% alloc: invalid block: 0xbb6c80: 0 0 0

Here is the section copied from bugr output:

FREESURFER_HOME: /usr/local/packages/freesurfer

Build stamp: freesurfer-Linux-centos4_x86_64-stable-pub-v4.0.1

RedHat release: Fedora release 8 (Werewolf)

Kernel info: Linux 2.6.23.9-85.fc8 x86_64

---

any suggestions how to correct this?

Thanks,

George

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