VMD-L Mailing List

From: Rob (spamrefuse_at_yahoo.com)
Date: Tue Dec 08 2009 - 08:05:26 CST

John Stone wrote on Mon Dec 07 2009:
>
> You need to install the proper NVIDIA drivers for your
> machine. The OpenGL that's currently active is a software
> rasterizer, and that's definitely _not_ what you want to be using...

I have two PCs with same Nvidia cards "GeForce 8600 GTS (rev a1)".
One PC is 32 bits with Fedora 12 and here VMD 1.8.7 runs just fine.
The other PC is 64 bits with Fedora 12 and here VMD 1.8.7 segfaults.

On the 64 bits system, VMD version 1.8.6 runs fine.....

See below for more details.

Does all this make sense?
So to me it appears that it's not, as you say, that the Fedora NVidia
drivers are always bad.....

Could it be that there's a bug in 1.8.7 that causes the segfault?
Or will you tell me that specifically the 64 bits system needs the
proper NVIDIA drivers?

Thanks.
Rob.

Here is what I get with VMD 1.8.7 32bits Fedora 12:

$ vmd
Info) VMD for LINUX, version 1.8.7 (August 1, 2009)
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, 4 CPUs detected.
Info) Free system memory: 1337MB (66%)
Info) No CUDA accelerator devices available.
Warning) Detected X11 'Composite' extension: if incorrect display occurs
Warning) try disabling this optional X server feature.
Info) OpenGL renderer: Software Rasterizer
Info) Features: STENCIL MDE CVA MTX NPOT PP PS GLSL(OVF)
Info) Full GLSL rendering mode is available.
Info) Textures: 2-D (4096x4096), 3-D (256x256x256), Multitexture (8)
vmd >

Here is what I get with VMD 1.8.6 on 64bits Fedora 12:

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, 8 CPUs detected.
Info) Free system memory: 5237MB (87%)
Info) OpenGL renderer: Software Rasterizer
Info) Features: STENCIL MDE CVA MTX NPOT PP PS GLSL(OVF)
Info) Full GLSL rendering mode is available.
Info) Textures: 2-D (4096x4096), 3-D (256x256x256), Multitexture (8)
vmd >

Here is what I get with VMD 1.8.7 on 64bits Fedora 12:

Info) VMD for LINUXAMD64, version 1.8.7 (August 1, 2009)
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, 8 CPUs detected.
Info) Free system memory: 5145MB (86%)
Info) No CUDA accelerator devices available.
Warning) Detected X11 'Composite' extension: if incorrect display occurs
Warning) try disabling this optional X server feature.
Info) OpenGL renderer: Software Rasterizer
Info) Features: STENCIL MDE CVA MTX NPOT PP PS GLSL(OVF)
Info) Full GLSL rendering mode is available.
Info) Textures: 2-D (4096x4096), 3-D (256x256x256), Multitexture (8)
Segmentation fault