VMD-L Mailing List

From: R.Sathyapriya (spriya_at_mbu.iisc.ernet.in)
Date: Thu Jun 12 2003 - 00:33:35 CDT

 Hi,
      Editing the Device driver option to 'nvidia' and restarting X
worked.

 thanks,

 -spriya.
On Wed, 11 Jun 2003, John Stone wrote:

>
> Hi,
> The results you're getting basically indicate that you don't have
> the DRI interface enabled on your X server. The NVidia-supplied README
> files that go with their drivers contain a few configuration steps that
> you may have missed pertaining to DRI settings:
> ftp://download.nvidia.com/XFree86/Linux-x86/1.0-4363/README.txt
>
> The specific text of interest is in this section of the file I've included
> below, make sure you have these options set correctly on your machine:
>
> "If you already have an XF86Config file working with a different driver
> (such as the 'nv' or 'vesa' driver), then all you need to do is find
> the relevant Device section and replace the line:
>
> Driver "nv"
> (or Driver "vesa")
>
> with
>
> Driver "nvidia"
>
> In the Module section, make sure you have:
>
> Load "glx"
>
> You should also remove the following lines:
>
> Load "dri"
> Load "GLcore"
>
> if they exist. There are also numerous options that can be added to
> the XF86Config file to fine-tune the NVIDIA XFree86 driver. Please see
> Appendix D for a complete list of these options.
>
>
> On Wed, Jun 11, 2003 at 08:40:31PM +0530, R.Sathyapriya wrote:
> >
> > Hello,
> > This is a follow up e-mail of the problem posted early in this
> > site regarding the VMD openGL window not opening (VMD-1.8, with RedHat
> > 9)and exiting with error saying 'Cannot open OpenGL window'.The graphic
> > card used is NVidia GeForce 2 MX 200.Examination of the glxinfo file
> > gave the gave the following message:
> >
> > ' direct rendering: No '
> >
> > I have tried to open VMD as root and still the problem persists
> > and exits with the same error.Hence changing permissions of /dev/nvidia0
> > and /dev/nvidiactl didnot really help.
> >
> > Suggestions greatly acknowledged!
> >
> > Thanks in advance for your time,
> >
> > Regards,
> > -spriya.
> >
> >
> > Date: 10 Jun 2003 09:06:50 +0200
> > From: Teletchéa Stéphane <steletch_at_biomedicale.univ-paris5.fr>
> > To: Ramesh K. Sistla <sistla_at_mbu.iisc.ernet.in>
> > Cc: VMD Mailing List <vmd-l_at_ks.uiuc.edu>
> > Subject: Re: VMD Error!
> >
> > Le mar 10/06/2003 à 09:33, Ramesh K. Sistla a écrit :
> > > > Look at the command glxinfo, it will tell you if your hardware supports
> > > > direct rendering, what is your graphic card model ?
> > > >
> > > Hi Stef!
> > >
> > > Thanks for the reply.
> > >
> > > The graphics card is NVIDIA GeForce 2 MX. glxinfo says the card doesn't
> > > support direct rendering.
> > >
> > > direct rendering: No
> > >
> > > But I am curious that this was working on the same setup a few days
> > > back!
> > > Let me know your thoughts about this.
> > > regards
> > > --
> >
> > I suppose you are using the nvidia's proprietary code.
> > If so, i feel something about permissions.
> >
> > Try to log in as root, and launch vmd there.
> > If it runs, it is then that your /dev/nvidia0 and /dev/nvidiactrl is no
> > more readable by normal users.
> >
> > You can change it by chmod 0666 /dev/nvidia and /dev/nvidiactrl
> >
> > I suppose you have a cron table that verifies periodically the
> > permissions (in mdk, for example it is regulated via msec).
> >
> > Stef
> > --
> > *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
> > Teletchéa Stéphane - CNRS UMR 8601
> > Lab. de chimie et biochimie pharmacologiques et toxicologiques
> > 45 rue des Saints-Pères 75270 Paris cedex 06
> > tél : (33) - 1 42 86 20 86 - fax : (33) - 1 42 86 83 87
> > mél : steletch_at_biomedicale.univ-paris5.fr
> > *~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~*
> > Linux 2.4.19-32mdk #1 Tue Mar 25 20:45:38 MST 2003
> > 9:00am up 42 days, 21:37, 5 users, load average: 1.42, 1.26, 1.20
> >
>
> 

-- 
----------------------------------------------------------
<><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
----------------------------------------------------------    
	R.SATHYAPRIYA.
	C/O PROF.SARASWATHI VISHVESHWARA,
	AN 210, MOLECULAR BIOPHYSICS UNIT,
	INDIAN INSTITUTE OF SCIENCE,
	BANGALORE. 560012.
	INDIA.
	PHONE 080 2932611.
	EMAIL spriya_at_mbu.iisc.ernet.in
      	sathyam_1999_at_yahoo.com
 
----------------------------------------------------------
<><><><><><><><><><><><><><><><><><><><><><><><><><><><><>
----------------------------------------------------------