VMD-L Mailing List

From: Maxim Belkin (mbelkin_at_ks.uiuc.edu)
Date: Tue Oct 28 2014 - 09:11:08 CDT

[glx]gears don’t rotate for me either when I ssh to a computer with the latest NVIDIA drivers. At the same time, OptiX works.

> On Oct 28, 2014, at 08:57, Norman Geist <norman.geist_at_uni-greifswald.de> wrote:
>
> 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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