From: John Stone (johns_at_ks.uiuc.edu)
Date: Mon Jul 11 2016 - 12:00:33 CDT

Hi,
  Most likely what has occured here is that during your install of
FFTW, the system also updated your graphics driver and reverted it to a
Mesa software rasterizer. If you reinstall your graphics driver I would
expect it to correct the problems you're seeing.

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Mon, Jul 11, 2016 at 05:37:34PM +0100, anu chandra wrote:
> Dear VMD users,
>
> The VMD was working fine in my system all of these days. Unfortunately,
> after I installed FFTW (that was for Gromacs installation), VMD failed to
> show the display window and showed the following message,
>
> $ vmd
> Info) VMD for LINUXAMD64, version 1.9.2 (December 29, 2014)
> Info)
> [1]http://www.ks.uiuc.edu/Research/vmd/A A A A A A A A A A A A A A A A A A A A A A A A
> Info) Email questions and bug reports to
> [2]vmd_at_ks.uiuc.eduA A A A A A A A A A
> Info) Please include this reference in published work using VMD:A A
> Info)A A A Humphrey, W., Dalke, A. and Schulten, K., `VMD - VisualA A
> Info)A A A Molecular Dynamics', J. Molec. Graphics 1996, 14.1, 33-38.
> Info) -------------------------------------------------------------
> Info) Multithreading available, 16 CPUs detected.
> Info) Free system memory: 31139MB (97%)
> Info) Creating CUDA device pool and initializing hardware...
> Info) Detected 1 available CUDA accelerator:
> Info) [0] Quadro K4200A A A A A A A 7 SM_3.0 @ 0.78 GHz, 4.0GB RAM, KTO,
> AE2, ZCP
> Info) Detected 1 available TachyonL/OptiX ray tracing accelerator
> Warning) Detected X11 'Composite' extension: if incorrect display occurs
> Warning) try disabling this X server option.A Most OpenGL drivers
> Warning) disable stereoscopic display when 'Composite' is enabled.
> libGL error: No matching fbConfigs or visuals found
> libGL error: failed to load driver: swrast
> XRequest.153: BadValue (integer parameter out of range for operation) 0x0
> XRequest.153: GLXBadContext 0x2e00001
> XRequest.153: 0 0x0
> Info) OpenGL renderer: ErrorUnknown
> Info)A A Features: STENCIL
> Info)A A GLSL rendering mode is NOT available.
> XRequest.153: GLXBadDrawable 0x2e00091
> Info) Dynamically loaded 2 plugins in directory:
> Info) /usr/local/lib/vmd/plugins/LINUXAMD64/molfile
> XRequest.153: GLXBadContext 0x2e00001
> XRequest.153: 0 0x0
> XRequest.153: GLXBadDrawable 0x2e00091
> XRequest.153: GLXBadContext 0x2e00001
> XRequest.153: 0 0x0
>
> I wonder what went wrong when I installed FFTW. A re-installation of the
> nvidia drivers also didn't help me to rectify the problem.
>
> My nvidia drivers shows,
>
> $ cat /proc/driver/nvidia/version
> NVRM version: NVIDIA UNIX x86_64 Kernel ModuleA 352.93A Tue AprA 5
> 18:18:24 PDT 2016
> GCC version:A gcc version 4.8.5 20150623 (Red Hat 4.8.5-4) (GCC)
>
> I am using RHEL 7 workstation. Unfortunately, a successful system update
> and reboot also didn't help me to solve the problem.
>
> Any help here would be highly appreciated.
>
> Many thanks in advance
> Anu
>
> References
>
> Visible links
> 1. http://www.ks.uiuc.edu/Research/vmd/
> 2. mailto:vmd_at_ks.uiuc.edu

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