VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Tue Mar 06 2007 - 16:17:15 CST

Hi,
  Can you run "glxinfo" while you've got an instance of VMD already running?
This looks to me like another of the many ATI linux driver bugs. I would
suggest reporting the problem on the ATI support web site. Can you run
_any_ two instances of OpenGL applications at once on this machine?

  John Stone
  vmd_at_ks.uiuc.edu

On Tue, Mar 06, 2007 at 04:03:19PM -0600, Rene Salmon wrote:
> Hi list,
>
> We have a strange problem. We can't seem to start two instances of VMD. I
> can start VMD once and get everything to come up. But when I type VMD again
> I can't get a second VMD to show up. Here is the output of the first VMD:
>
> Info) Please include this reference in published work using VMD:
> Info) Humphrey, W., Dalke, A. and Schulten, K., `VMD - Visual
> Info) Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
> Info) -------------------------------------------------------------
> Info) Multithreading available, 1 CPU detected.
> Info) ATI Linux driver detected, limiting features to avoid driver bugs.
> Info) OpenGL renderer: MOBILITY RADEON X300 Generic
> Info) Features: STENCIL MSAA(6) MDE CVA MTX PP PS GLSL(OVF)
> Info) GLSL rendering mode is NOT available.
> Info) Textures: 2-D (2048x2048), 3-D (2048x2048x2048), Multitexture (8)
> vmd >
>
>
>
> Here is what I get when I try to start a second VMD session in debug mode:
>
> Info) VMD for LINUX, version 1.8.5 (August 25, 2006)
> Info) http://www.ks.uiuc.edu/Research/vmd/
> Info) Email questions and bug reports to vmd_at_ks.uiuc.edu
> Info) Please include this reference in published work using VMD:
> Info) Humphrey, W., Dalke, A. and Schulten, K., `VMD - Visual
> Info) Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
> Info) -------------------------------------------------------------
> Info) Multithreading available, 1 CPU detected.
>
> Program received signal SIGSEGV, Segmentation fault.
> [Switching to Thread -1215449424 (LWP 5356)]
> 0x080cc7bd in OpenGLExtensions::vmdQueryExtension ()
> (gdb) quit
> The program is running. Exit anyway? (y or n) y
>
>
> Thanks for any hints on this.
>
> Rene
>
> 

-- 
NIH Resource for Macromolecular Modeling and Bioinformatics
Beckman Institute for Advanced Science and Technology
University of Illinois, 405 N. Mathews Ave, Urbana, IL 61801
Email: johns_at_ks.uiuc.edu                 Phone: 217-244-3349
  WWW: http://www.ks.uiuc.edu/~johns/      Fax: 217-244-6078