VMD-L Mailing List

From: Norman Geist (norman.geist_at_uni-greifswald.de)
Date: Fri Oct 24 2014 - 07:15:21 CDT

Hi,

thanks for the hint. ssh -Y doesn't make a difference. I'll see to find some
information about the missing OpenGL extension when using ssh.

Norman Geist.

> -----Ursprüngliche Nachricht-----
> Von: Maxim Belkin [mailto:mbelkin_at_ks.uiuc.edu]
> Gesendet: Freitag, 24. Oktober 2014 13:41
> An: Norman Geist
> Cc: John Stone; VMD Mailing List
> Betreff: Re: vmd-l: Tachyon-Optix failure when SSH X11
>
> When you are connected over ssh there is no CVA ("compiled vertex
> array”) among OpenGL “features”. So, something is different when you
> ssh.
>
> try ssh -Y
>
> Maxim
>
>
> > On Oct 24, 2014, at 02:10, Norman Geist <norman.geist_at_uni-
> greifswald.de> wrote:
> >
> > Here my output:
> >
> > crw-rw-rw- 1 root root 195, 0 Oct 23 15:18 /dev/nvidia0
> > crw-rw-rw- 1 root root 195, 1 Oct 23 15:18 /dev/nvidia1
> > crw-rw-rw- 1 root root 195, 255 Oct 23 15:18 /dev/nvidiactl
> > crw-rw-rw- 1 root root 250, 0 Oct 23 15:24 /dev/nvidia-uvm
> >
> > I have the latest nvidia drivers installed.
> > Any idea ?
> >
> > Norman Geist.
> >
> >> -----Ursprüngliche Nachricht-----
> >> Von: John Stone [mailto:johns_at_ks.uiuc.edu]
> >> Gesendet: Donnerstag, 23. Oktober 2014 19:35
> >> An: Maxim Belkin
> >> Cc: Norman Geist; VMD Mailing List
> >> Betreff: Re: vmd-l: Tachyon-Optix failure when SSH X11
> >>
> >> Hi,
> >> I wonder if the file permissions on the GPU device nodes
> >> are set such that they are not necessarily accessible if you're not
> >> logged into the console? What are the permissions on the
> >> /dev/nvidia* devices?:
> >>
> >> % ls -al /dev/nvidia*
> >> crw-rw-rw- 1 root root 195, 0 Oct 23 11:51 /dev/nvidia0
> >> crw-rw-rw- 1 root root 195, 1 Oct 23 11:51 /dev/nvidia1
> >> crw-rw-rw- 1 root root 195, 2 Oct 23 11:51 /dev/nvidia2
> >> crw-rw-rw- 1 root root 195, 255 Oct 23 11:51 /dev/nvidiactl
> >> crw-rw-rw- 1 root root 252, 0 Oct 23 12:05 /dev/nvidia-uvm
> >>
> >> Cheers,
> >> John
> >>
> >>
> >> On Thu, Oct 23, 2014 at 11:15:25AM -0500, Maxim Belkin wrote:
> >>> I did a quick test: I get an error (different one, pasted below)
> when
> >> I use OptiX over ssh on a machine where I'm not logged in to an X11
> >> windowing system. If I am, however, OptiX over ssh works fine.
> >>>
> >>> Info) VMD for LINUXAMD64, version 1.9.2beta2optixtest1 (October 11,
> >> 2014)
> >>> 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, 16 CPUs detected.
> >>> Info) Free system memory: 53302MB (82%)
> >>> Info) Creating CUDA device pool and initializing hardware...
> >>> Info) Detected 1 available CUDA accelerator:
> >>> Info) [0] GeForce GTX 770 8 SM_3.0 @ 1.08 GHz, 2.0GB RAM, KTO,
> >> AE1, ZCP
> >>> Info) Detected 1 available TachyonL/OptiX ray tracing accelerator
> >>> Info) OpenGL renderer: NVIDIA GeForce GT 330M OpenGL Engine
> >>> Info) Features: STENCIL MSAA(4) MDE MTX NPOT PP PS
> >>> Info) GLSL rendering mode is NOT available.
> >>> Info) Textures: 2-D (8192x8192), 3-D (2048x2048x2048),
> Multitexture
> >> (8)
> >>> Info) Dynamically loaded 2 plugins in directory:
> >>> Info) /home/mbelkin/lib_vmd/vmd/plugins/LINUXAMD64/molfile
> >>> ....
> >>> Info) Ambient occlusion enabled.
> >>> Info) Shadow rendering enabled.
> >>> ERROR) OptiX error: Invalid context (Details: Function "RTresult
> >> _rtContextCompile(RTcontext)" caught exception: Unable to set the
> CUDA
> >> device., [3735714]) (OptiXRenderer.C:986
> >>> OptiXRenderer) An error occured compiling the context. Rendering is
> >> aborted.
> >>>
> >>>
> >>>
> >>>> On Oct 23, 2014, at 10:48 AM, Norman Geist <norman.geist_at_uni-
> >> greifswald.de> wrote:
> >>>>
> >>>> Hi John,
> >>>>
> >>>> Yes, using it locally works fine, here the output:
> >>>>
> >>>> Local:
> >>>>
> >>>> Info) VMD for LINUXAMD64, version 1.9.2beta1 (September 12, 2014)
> >>>> 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, 64 CPUs detected.
> >>>> Info) Free system memory: 117456MB (90%)
> >>>> Info) Creating CUDA device pool and initializing hardware...
> >>>> Info) Detected 1 available CUDA accelerator:
> >>>> Info) [0] GeForce GTX 660 5 SM_3.0 @ 1.03 GHz, 2.0GB RAM, KTO,
> >> AE1, 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. Most OpenGL drivers
> >>>> Warning) disable stereoscopic display when 'Composite' is enabled.
> >>>> Info) OpenGL renderer: GeForce GTX 660/PCIe/SSE2
> >>>> Info) Features: STENCIL MSAA(4) MDE CVA MTX NPOT PP PS
> >> GLSL(OVFGS)
> >>>> Info) Full GLSL rendering mode is available.
> >>>> Info) Textures: 2-D (16384x16384), 3-D (2048x2048x2048),
> >> Multitexture (4)
> >>>> Info) Dynamically loaded 2 plugins in directory:
> >>>> Info) /alfred/bin/vmd/vmd-1.9.2b1/plugins/LINUXAMD64/molfile
> >>>> after#0
> >>>> vmd >
> >>>> [...]
> >>>> vmd > Info) Rendering current scene to 'vmdscene.ppm' ...
> >>>> Total OptiX rendering time: 0.9 sec
> >>>> Info) Executing post-render cmd 'display vmdscene.ppm' ...
> >>>>
> >>>> SSH Forwarded:
> >>>>
> >>>> Info) VMD for LINUXAMD64, version 1.9.2beta1 (September 12, 2014)
> >>>> 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, 64 CPUs detected.
> >>>> Info) Free system memory: 117364MB (90%)
> >>>> Info) Creating CUDA device pool and initializing hardware...
> >>>> Info) Detected 1 available CUDA accelerator:
> >>>> Info) [0] GeForce GTX 660 5 SM_3.0 @ 1.03 GHz, 2.0GB RAM, KTO,
> >> AE1, 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. Most OpenGL drivers
> >>>> Warning) disable stereoscopic display when 'Composite' is enabled.
> >>>> Info) OpenGL renderer: GeForce GTX 660/PCIe/SSE2
> >>>> Info) Features: STENCIL MSAA(4) MDE MTX NPOT PP PS GLSL(OVFG)
> >>>> Info) Full GLSL rendering mode is available.
> >>>> Info) Textures: 2-D (16384x16384), 3-D (2048x2048x2048),
> >> Multitexture (4)
> >>>> Info) Dynamically loaded 2 plugins in directory:
> >>>> Info) /alfred/bin/vmd/vmd-1.9.2b1/plugins/LINUXAMD64/molfile
> >>>> after#0
> >>>> vmd >
> >>>> [...]
> >>>> Info) Rendering current scene to 'vmdscene.ppm' ...
> >>>> ERROR) OptiX error: Unknown error (Details: Function "RTresult
> >>>> _rtContextLaunch2D(RTcontext, unsigned int, RTsize, RTsize)"
> caught
> >>>> exception: Encountered a CUDA error: cuGLGetDevices() returned
> >> (201):
> >>>> Invalid context, [3801520]) (OptiXRenderer.C:1002
> >>>> OptiX: An error occured in AS generation. Rendering is aborted.
> >>>> Total OptiX rendering time: 0.8 sec
> >>>> Info) Executing post-render cmd 'display vmdscene.ppm' ...
> >>>> display: improper image header `vmdscene.ppm' @
> >>>> error/pnm.c/ReadPNMImage/295.
> >>>>
> >>>>
> >>>> Norman Geist.
> >>>>
> >>>>> -----Ursprüngliche Nachricht-----
> >>>>> Von: John Stone [mailto:johns_at_ks.uiuc.edu]
> >>>>> Gesendet: Donnerstag, 23. Oktober 2014 17:30
> >>>>> An: Norman Geist
> >>>>> Cc: VMD Mailing List
> >>>>> Betreff: Re: vmd-l: Tachyon-Optix failure when SSH X11
> >>>>>
> >>>>> Norman,
> >>>>> Do you get a particular error message? I wouldn't expect it to
> >>>>> matter
> >>>>> if you're redirecting X to a remote display, at least in the
> OptiX
> >> code
> >>>>> paths I'm actually using. I have run OptiX renderings with no
> >> display,
> >>>>> e.g. with VMD using "-dispdev text" without any problems, so I'm
> >>>>> puzzled
> >>>>> why the remote display would matter. When you're remote
> >> displaying,
> >>>>> does
> >>>>> VMD identify the CUDA devices in the machine correctly? I assume
> >> you
> >>>>> have
> >>>>> also tested this same machine and when running to a local display
> >> it
> >>>>> works fine?
> >>>>>
> >>>>> Cheers,
> >>>>> John Stone
> >>>>> vmd_at_ks.uiuc.edu
> >>>>>
> >>>>> On Thu, Oct 23, 2014 at 05:01:31PM +0200, Norman Geist wrote:
> >>>>>> Just want to report that using the Tachyon Optix Renderer
> >> doesn't
> >>>>> work
> >>>>>> when redirected over SSH.
> >>>>>>
> >>>>>> - cheers -
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>> Norman Geist
> >>>>>>
> >>>>>> ---------------------------------------------------------------
> >> ---
> >>>>> ---------
> >>>>>>
> >>>>>> [1][IMG] Diese E-Mail ist frei von Viren und Malware, denn der
> >>>>> [2]avast!
> >>>>>> Antivirus Schutz ist aktiv.
> >>>>>>
> >>>>>> References
> >>>>>>
> >>>>>> Visible links
> >>>>>> 1. http://www.avast.com/
> >>>>>> 2. http://www.avast.com/
> >>>>>
> >>>>> --
> >>>>> 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/
> >>>>
> >>>>
> >>>> ---
> >>>> Diese E-Mail ist frei von Viren und Malware, denn der avast!
> >> Antivirus Schutz ist aktiv.
> >>>> http://www.avast.com
> >>>
> >>
> >> --
> >> 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/
> >
> >
> > ---
> > Diese E-Mail ist frei von Viren und Malware, denn der avast!
> Antivirus Schutz ist aktiv.
> > http://www.avast.com 

---
Diese E-Mail ist frei von Viren und Malware, denn der avast! Antivirus Schutz ist aktiv.
http://www.avast.com