VMD-L Mailing List

From: Norman Geist (norman.geist_at_uni-greifswald.de)
Date: Tue Oct 28 2014 - 08:57:59 CDT

Still no success. Can anyone tell if using the proprietary nvidia driver
works over ssh?
I also noticed glxgears aren’t moving on all my OpenSuse 13.1 when using
ssh, maybe this indicates a general problem
with the proprietary nvidia driver and ssh together with OpenSuse 13.1

Norman Geist.

> -----Ursprüngliche Nachricht-----
> Von: owner-vmd-l_at_ks.uiuc.edu [mailto:owner-vmd-l_at_ks.uiuc.edu] Im
> Auftrag von Norman Geist
> Gesendet: Freitag, 24. Oktober 2014 14:15
> An: 'Maxim Belkin'
> Cc: VMD Mailing List
> Betreff: AW: vmd-l: Tachyon-Optix failure when SSH X11
>
> 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
> > >>>>>>
> > >>>>>> -------------------------------------------------------------
> --
> > >> ---
> > >>>>> ---------
> > >>>>>>
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> > >>>>>
> > >>>>> --
> > >>>>> 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/
> > >>>>
> > >>>>
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> > >>
> > >> --
> > >> 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/
> > >
> > >
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