Try running glxgears

Can you post the output of *dmesg *command

2009/4/1 Elisa Dell'Oglio delloglio@bwh.harvard.edu

Thanks you. I actually tried this already (I saw this solution was suggested to users that experienced the same problem). Unfortunately this is not working, I still get the error message: surfer: ### redraw failed: no gl window open

Is there anything else that you would suggest to try?

Thank you in advance, Elisa

2009/4/1 Pedro Paulo de Magalhães Oliveira Junior ppj@netfilter.com.br

If you are using tcsh

...

setenv doublebufferflag 1

in bash

export doublebufferflag=1

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Pedro Paulo de M. Oliveira Junior Diretor de Operações Netfilter & SpeedComm Telecom --- Novo Netfilter 3.0 www.netfilter.com.br

On Wed, Apr 1, 2009 at 12:07, Elisa Dell'Oglio <delloglio@bwh.harvard.edu

...

wrote:

...

Hi all,

I am running freesurfer on CentOS (5.2-x86_64). I get the folowing error when I launch tksurfer: surfer: ### redraw failed: no gl window open. The result is that no surface is shown.

Any advice on how to solve the problem?

Thanks, Elisa

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-- Elisa Dell'Oglio, MS Research Associate to Dr. Bakshi Brigham & Women's Hospital, Harvard Medical School Laboratory for Neuroimaging Research One Brookline Place, Suite 602 Brookline, MA 02445, USA Tel: 617-732-6977 Fax: 617-732-6540 Email: delloglio@bwh.harvard.edu