'"GLX" missing on display' Problems
Harold L Hunt II
Fri Apr 30 08:25:00 GMT 2004
Brian Ford wrote:
> Wrong list:
> 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.
> Please also see:
>>Problem reports: http://cygwin.com/problems.html
> We need more information to help you.
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