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Re: '"GLX" missing on display' Problems
- From: Brian Ford <ford at vss dot fsi dot com>
- To: eti1 at xmission dot com
- Cc: cygwin at cygwin dot com, cygwin-xfree at cygwin dot com
- Date: Wed, 28 Apr 2004 14:36:41 -0500
- Subject: Re: '"GLX" missing on display' Problems
- References: <1083178915.408fffa322d20@webmail.xmission.com>
- Reply-to: cygwin-xfree at cygwin dot com
Wrong list:
http://cygwin.com/lists.html
This is a Cygwin/X specific question. Redirecting...
On Wed, 28 Apr 2004, eti1 wrote:
> I use cygwin from home (on a Windows box) to ssh into my machine at work
> (Linux box). I get the following error when I try to run programs that use
> opengl libs for displaying:
>
> cdernst@clinton cubit90]$ glxgears
> Xlib: extension "GLX" missing on display "localhost:10.0".
> Error: couldn't get an RGB, Double-buffered visual
>
> When I ssh, I use the -X option so that graphics get forwarded to my local
> machine. I am aware that this error is usually manifested because opengl
> libs are not installed on the local machine, but I know I have them on my
> local machine because if I go a 'glxgears' before ssh-ing the gears
> graphics window displays just fine. It appears that after ssh-ing into my
> work machine, display information is lost.
>
> What is very troubling with this problem is that sometimes the problem
> altogether disappears. For example, if I ssh into my work machine and let
> the terminal sit for a while, it sometimes works, sometimes not. Other
> times after ssh-ing in, if I edit a file with "vim" I can run glxgears
> after, but not always. Nothing is reproducable to get it to work. But
> once it starts displaying, it usually doesn't stop. I tried a complete
> uninstall/reinstall of cygwin but it didn't do anything.
>
> Help!
> --Corey
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--
Brian Ford
Senior Realtime Software Engineer
VITAL - Visual Simulation Systems
FlightSafety International
the best safety device in any aircraft is a well-trained pilot...
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