VMD-L Mailing List

From: John Stone (johns_at_ks.uiuc.edu)
Date: Tue Mar 11 2014 - 10:41:00 CDT

Hi,
  Yeah, that indicates that your X server isn't doing
GLX protocol for remote OpenGL properly. I would suggest, as someone else
did already, that you consider using a different remote display
protocol such as NX, VNC, or otherwise, unless/until you can get your
X server fixed.

Cheers,
  John Stone
  vmd_at_ks.uiuc.edu

On Tue, Mar 11, 2014 at 04:21:07PM +0100, Simon Etter wrote:
> Hi John
>
> Did as you told me:
>
> $ glxgears
> X Error of failed request: BadAlloc (insufficient resources for operation)
> Major opcode of failed request: 154 (GLX)
> Minor opcode of failed request: 3 (X_GLXCreateContext)
> Serial number of failed request: 21
> Current serial number in output stream: 23
>
>
> On 11/03/14 16:10, John Stone wrote:
> >Hi,
> > What X server are you running on your remote machine?
> >It would seem from the messages below that your X server has some issues
> >with support for GLX protocol (remote OpenGL). Can you run 'glxgears'
> >remotely on the same setup?
> >
> >Cheers,
> > John Stone
> > vmd_at_ks.uiuc.edu
> >
> >On Tue, Mar 11, 2014 at 01:31:17PM +0100, Simon Etter wrote:
> >>Hi!
> >>
> >>I have a remote compute server on which I would like to run VMD and stream
> >>the GUI to my local screen. Every time I start the application, it crashes
> >>with the following error report:
> >>
> >>Info) VMD for LINUXAMD64, version 1.9.1 (February 1, 2012)
> >>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, 48 CPUs detected.
> >>Info) Free system memory: 102376MB (79%)
> >>Warning) Detected a mismatch between CUDA runtime and GPU driver
> >>Warning) Check to make sure that GPU drivers are up to date.
> >>Info) No CUDA accelerator devices available.
> >>Warning) Detected X11 'Composite' extension: if incorrect display occurs
> >>Warning) try disabling this optional X server feature.
> >>XRequest.154: BadAlloc (insufficient resources for operation) 0x17
> >>XRequest.154: GLXBadContext 0x3800001
> >>Segmentation fault
> >>
> >>I heard from other users of the same server that they did not have any
> >>problems, so I assume this must be an issue on my local machine.
> >>
> >>Any hint on how I could fix this?
> >>
> >>Regards,
> >>Simon
> >>
> >>--------------
> >>Further points:
> >>
> >> I connect to the server using ssh -X.
> >> Opening remote xterm and gnuplot windows works.
> >> Local X windows version: 1.13.0
> > 

-- 
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/