Hi Nathan,
Thanks for getting back to me. I don't believe I'm using a binary driver,
the NVIDIA X server settings say Driver version 331.49. I also don't
believe I'm switching virtual consoles. When I login remotely, the system
acts as though there aren't any XServer functions connected to it. I
looked at the X display manager - but that didn't seem to have anything out
of the ordinary. I realize this probably isn't a virtualgl/TurboVNC
problem, but I would have thought that someone else would have run into
this problem as well.
One thing I noticed is that logging into the remote system and using the
NVidia X Server Setting tool gives a full description of the the NVidia
setting, but logging in through TurboVNC, the same tool states that I don't
appear to be using the NVidia X driver.
Lad
On Thu, Sep 4, 2014 at 11:32 AM, Nathan Kidd <nathan...@spicycrypto.ca>
wrote:
> On 04/09/14 11:11 AM, Ladislaus Dombrowski wrote:
> > I am running TurboVNC and VirtualGL (v2.3.3) on two linux machines
> > running Ubuntu 10.4. I start up a TurboVNC server on the remote
> > machine. I connect to that server with a TurboVNC viewer. When I run
> > 'vglrun glxgears' i get:
> >
> > x$ vglrun glxgears
> > Running synchronized to the vertical refresh. The framerate should be
> > approximately the same as the monitor refresh rate.
> > [VGL] ERROR: OpenGL error 0x0502
> > [VGL] ERROR: in readpixels---
> > [VGL] 439: Could not read pixels
> >
> >
> > if I login to the remote machine and then connect with that display on
> > the client machine with 'vglrun -d :x.o glxgears' everything runs
> > fine. As soon as I logout of the remote machine, things don't work
> > again. I've been looking for a couple of weeks but can't find where
> > xserver stuff is connected to the Turboviewer DISPLAY. Any ideas?
>
> The X server on the remote machine must always be running for VirtualGL
> to function, but normally logging out just returns you to the login
> manager and X should still be running.
>
> Are you using an NVIDIA binary driver? When you log out you don't switch
> virtual consoles by any chance?
>
> http://stackoverflow.com/a/22546103/176800
>
> -Nathan
>
>
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